1.0 Introduction to EconomicsUnit overview Economics as a

1.0 Introduction to EconomicsUnit overview Economics as a

1.0 Introduction to EconomicsUnit overview Economics as a Social Science Explain that Economics is a social science Outline the social scientific method. Explain the process of model building in economics. Explain that economists must use the ceteris paribus assumption when developing economic models. Distinguish between positive and normative economics. Examine the assumption of rational economic decision-making Scarcity Explain that scarcity exists because factors of production are finite and wants are infinite. Explain that economics studies the ways in which resources are allocated to meet needs and wants. Explain that the three basic economic questions that must be answered by any economic system are: What to produce?, How to produce? and For whom to produce? Choice and Opportunity Cost Explain that as a result of scarcity, choices have to be made. Explain that when an economic choice is made, an alternative is always foregone. Explain that a production possibilities curve (production possibilities frontier) model may be used to show the concepts of scarcity, choice, opportunity cost and a situation of unemployed resources and inefficiency.

Central Themes The extent to which governments should intervene in the allocation of resources The threat to sustainability as a result of the current patterns of resource allocation The extent to which the goal of economic efficiency may conflict with the goal of equity The distinction between economic growth and economic development. Introduction to Economics Online: Scarcity Basic Economic Question Opportunity cost Trade-offs Production possibilities c urve Price Theory Circular Flow Model Factors of Production Cost/Benefit Analysis Incentives Utility Utility maximization Comparative advantage Specialization Economic systems Free Markets

Command economies Rational behavior 1.0 Introduction to EconomicsWhat is Economics? A Riddle to start off your course You may not know it yet, but you are beginning a science class. Yes, Economics is a science, and just like other sciences, it deals with a fundamental problem of nature. Think of Aerospace Engineering. This is a science that struggles to overcome a basic problem of nature, that of GRAVITY. Aerospace Engineers are scientists whose research and lifes work is aimed at overcoming the problem of gravity and putting man in space. Economists are also scientists whose work attempts to overcome a basic problem of nature. Your Riddle: What is the basic problem of nature that the science of Economic attempts to overcome? Hint: It arises because of the limited nature of earths natural resources! 1.0 Introduction to Economics Scarcity Scarcity the Basic Economic Problem The problem that Economics, a social science, attempts to overcome is that of Scarcity.

Scarcity arises when something is both limited in quantity yet desired Some facts about scarcity Not all goods are scarce, but most are Some goods that humans consume are infinite, such as air Organize the following words under the correct category: Scarce or Not Scarce Scarce (limited and desired) Sewing machines Apartments in Zurich Murderers Not Scarce (not limited OR not desired) factory workers Computers Oxygen Nitrogen British Pounds Dirt Football players HIV Water Swiss francs Teachers Happiness

Worms Doctors Creativity Love Air Diamonds Mosquitos Clouds 1.0 Introduction to Economics Scarcity What makes something scarce? Heres another riddle for you Nobody needs diamonds, yet they are considered extremely valuable Everybody needs water, yet they are considered extremely cheap Why Are Diamonds So Expensive? Why Is Water So Cheap? This is known as the diamond / water paradox. The answer lies in the fact that economic value is derived from scarcity Read more: The Diamond The more scarce an item, the more valueable it is Water Paradox The less scarce, the less value it has in society! 1.0 Introduction to Economics Scarcity

Free Goods and Economics Goods Goods in Economics are those things we like to consume. They are called goods because consuming them makes us feel good! Free goods are those things that we desire but that are not limited Economic goods are those that we desire but that ARE limited Which of these goods are Free Goods and which are Economic Goods? Haircuts Cars Toothbrushes T.V.S Movies Happiness Shoes Vacations Friendship Hamburgers Love Jewelry

Education Air Fresh Water Public Transportation Sunshine Etc. Economics as a Social Science: Economics is the social science that studies the interactions of humans in the commercial realm. Economists examine the way societies allocate their scarce resources towards competing wants and needs and seek to develop systems that achieve certain objectives, including: Growth in humans standard of living over time Sustainable development Employment and stability 1.0 Introduction to Economics Do you think like an Economist? What do you already know about economics? Take this true/false quiz to see what you already know about Economics! 1.

2. 3. 4. 5. 6. 7. 8. 9. 10. - T T T T T T T T T T F F F F F F F

F F F 1. Because it is desirable, sunshine is scarce. 2. Because it is limited, HIV is scarce. 3. Because water covers three-fourths of the earth's surface it cannot be considered scarce. 4. The main cost of going to college is tuition, room and board. 5. If public transportation fares are raised, everyone will take the trains anyway. 6. You always get what you pay for. 7. If someone makes an economic gain, someone else loses. 8. If one nation produces everything better than another nation, there is no economic reason for these two nations to trade. 9. A non-regulated monopoly tends to charge the highest possible price. 10. A business owner's decision to show more care for consumers is a decision to accept lower levels of profits. Source: Adapted from NCEE's "AP Microeconomics" by John Morton What is Economics? 1.0 Introduction to Economics What do Economists study? The topics below are all some of the things you will study in your Economics course. Follow the links to see some headlines from a blog relating to each of the topics Some key topics from your Economics Course Scarcity Resources

Trade-offs Opportunity cost Marginal analysis Factors of Production Exchange Rates Cost/Benefit Analysis Utility maximization Price Theory Taxes Market failure Public goods Financial markets Environment Perfect competition Game Theory Price discrimination Income distribution Recession Read the following blog post: Microeconomics vs. Macroeconomics Supply and Demand Trade Markets Prices Consumer behavior

Firm behavior Free Trade What is Economics? 1.0 Introduction to Economics Economics is divided into two main fields of study Microeconomics: Studies the behaviors of INDIVIDUALS within an economy: Consumers and producers in particular markets. Examples of microeconomic topics: The Automobile market in Switzerland, the market for movie tickets in Zurich, the market for airline tickets between the US and Europe, the market for vacations to Spain, the market for international school teachers. Macroeconomics: Studies the total effect on a nation's people of all the economic activity within that nation. The four main concerns of macroeconomics are: 1. total output of a nation, 2. the average price level of a nation, 3. the level of employment (or unemployment) in the nation and 4. distribution of income in the nation Examples of macroeconomic topics: Unemployment in Canada, inflation in Zimbabwe, economic growth in China, the gap between the rich and the poor in America What is Economics? 1.0 Introduction to Economics Microeconomics vs. Macroeconomics The two main units in your economics course can be broken down into many smaller topics. Some of them are identified below.

Microeconomics examines Individual markets the behavior of firms (companies) and consumers the allocation of land, labor and capital resources Supply and demand The efficiency of markets Product markets Supply and Demand Profit maximization Utility maximization Competition Resource markets Market failure Macroeconomics examines

National markets Total output and income of nations Total supply and demand of the nation Taxes and government spending Interest rates and central banks Unemployment and inflation Income distribution Economics growth and development International trade What is Economics? 1.0 Introduction to Economics Fundamental Concepts Weather we study micro or macro, there are some basic concepts that underly all fields of Economics study Scarcity: Economics is about the allocation of scarce resources among societys various needs and wants.

Resources: Economics is about the allocation of resources among societys various needs and wants. Tradeoffs: Individuals and society as whole are constantly making choices involving tradeoff between alternatives. Whether its what goods to consume, what goods to produce, how to produce them, and so on. Opportunity Cost: The opportunity cost is the opportunity lost. In other words, every economic decision involves giving up something. NOTHING IS FREE!! What is Economics? 1.0 Introduction to Economics Read the following from The Worldly Philosophers about the basic economic problems faced by all societies What is Economics? 1.0 Introduction to Economics What is Economics?

1.0 Introduction to Economics Reading Discussion Questions 1. How is the struggle against scarcity a struggle for survival of man? 2. Is man by nature a social creature? How does man's nature pose a challenge to his survival? Discuss... 3. Discuss the benefits and dangers of the two ways societies organized economic activities throughout most of human history a. Tradition b. command 4. Why was there no need for "economists" throughout most of human history? 5. "It was not at all obvious that with each man out only for his own gain, society could in fact endure. It was by no means clear that all jobs of society - the dirty ones as well as the plush ones - would be done if custom and command no longer ran the world. When society no longer obeyed one man's dictates, who was to say where it would end? Evaluate the author's claim that the economic revolution was "fundamentally more disturbing by far than the French, the American, or even the Russian Revolution." The productive Resources 1.0 Introduction to Economics The Factors of Production The production of all of the good we desire requires scarce resources. It is the allocation of these resources between humans competing wants that Economics focuses on. Land Land resources are those things that are "gifts of nature". The soil in which we grow food, wood, minerals such as copper and tin and resources

such as oil, goal, gas and uranium are scarce Labor Labor refers to the human resources used in the production of goods and services. Labor is the human work, both physical and intellectual, that contributes to the production of goods and services Capital Entrepreneurship Capital refers to the tools This refers to the and technologies that are innovation and creativity used to produce the applied in the production goods and services we of goods and services. desire. Since more and The physical scarcity of better tools enhance the

land, labor and capital production of all types of goods and services, from does not apply to human ingenuity, which itself is cars to computers to education to haircuts, yet a resource that goes into the production of out the amount of capital in economic output. the world is limited, capital is a scarce resource. 1.0 Introduction to Economics The Basic Economic Questions The Basic Economic Problem? In a world of finite resources, the wants of man are virtually infinite. The basic Economic Problem is how to allocate those limited, scarce resources between the unlimited wants of man. This problem gives rise to three questions that any and all economic systems must address. The Three Basic Econoimcs Questions are : 1. What should be produced? Given the resources with which society is endowed, what combination of different goods and services should be produced? 2. How should things be produced? Should production use lots of labor, or should lots of capital and technology be used? 3. Who should things be produced for? How should the output that society produces be distributed? Should everyone keep what he or she makes, or should trade take place? Should everyone be given equal amounts of the output, or should it be

every man for himself? These are the three guiding questions of any Economic system Introduction to Trade 1.0 Introduction to Economics Free Trade The market system allocates societys scarce resources through the free, voluntary exchanges of individuals households and firms in the free market. These exchanges are broadly known as trade. Trade ban exist between individuals, or between entire nations. Trade between countries is called International Trade. Trade is one of the concepts fundamental to the field of economics. Voluntary exchanges between individuals and firms in resource and product markets involving the exchange of goods, services, land, labor and capital is a type of trade. International trade involves the exchange of resources, goods, services, assets (both real and financial) across national boundaries. Trade makes everyone better off, and leads to a more efficient allocation of society's scarce resources. Adam Smith on Trade: "It is not from the benevolence of the butcher, the brewer, or the baker, that we expect our dinner, but from their regard to their own interest. We address ourselves, not to their humanity but to their self-love, and never talk to them of our necessities but of their advantages" - Adam Smith "The Wealth of Nations" Introduction to Trade 1.0 Introduction to Economics Adam Smith, the father of Modern Economics Lived 1723-1790

Leading thinker of the Scottish Enlightenment Two great works: The Theory of Moral Sentiments (1759) and The Wealth of Nations (1776) Believed that humans acting in their own self-interest would lead to benefits for society as a whole, since the pursuit of self-interest naturally leads individuals to meet the wants and needs of those around them. Adam Smith on the mutual benefits of trade: "Whoever offers to another a bargain of any kind, proposes to do this. Give me that which I want, and you shall have this which you want, is the meaning of every such offer; and it is in this manner that we obtain from one another the far greater part of those good offices which we stand in need of." And on self-interest: "Every manis first and principally recommended to his own care; and every man is certainly, in every respect, fitter and abler to take care of himself than of any other person." 1.0 Introduction to Economics Model Building in Economics A popular tool in the Economists kit is the economic model. Just like scientists in other fields, economists use models to represent something from the real world. A model of the solar system: Allows astronomers to illustrate in a simplified model the relationships between solar bodies. A Circular Flow Model: Allows economists to illustrate in a simplified model the relationships between households and firms in a market economy. Ceteris Paribus: Like in other scientists, when using economic models we must assume all else equal. This allows us to observe how one variable in an economy

will affect another, without considering all the other factors that may affect the variable in question. 1.0 Introduction to Economics Positive and Normative Economics Economists explore the world of facts and data, but also often draw conclusions or prescribe policies based more on interpretation or even their own opinions. It is important to distinguish at all times whether the focus of our studies is in the realm of positive or normative Economics Positive economic statements: Each of the following statements above are statements of fact, and each can be supported by evidence based on quantifiable observations of the world. Unemployment rose by 0.8 percent last quarter as 250,000 Americans lost their jobs in both the public and private sectors. Rising pork prices have led to a surge in demand for chicken across China. Increased use of public transportation reduces congestion on city streets and lowers traffic fatality rates. Normative economic statements: Each of the statements above are based on observable, quantifiable variables, but each includes an element of opinion Unemployment rates are higher among less educated workers, therefore government should include education and job training programs as a component of benefits for the nation's unemployed. Rising pork prices harm low income households whose incomes go primarily towards food, therefore, to slow the rise in food prices, the Chinese government should enforce a maximum price scheme on the nation's pork industry.

It is the government's obligation to provide public transportation options to the nation's people to relieve the negative environmental and health effects of traffic congestion. Opportunity Cost 1.0 Introduction to Economics Opportunity Cost Perhaps the most fundamental concept to Economics, opportunity cost is what must be given up in order to undertake any activity or economic exchange. Opportunity costs are not necessarily monetary, rather when you buy something, the opportunity cost is what you could have done with the money you spent on that thing. Even non-monetary exchanges involve opportunity costs, as you may have done something different with the time you chose to spend undertaking any activity in your life. Examples of opportunity costs The opportunity cost of watching TV on a weeknight is the benefit you could have gotten from studying. The opportunity cost of going to college is the income you could have earned by getting a job out of high school The opportunity cost of starting your own business in the wages you give up by working for another company The opportunity cost of using forest resources to build houses is the enjoyment people get from having pristine forests. 1.0 Introduction to Economics The PPC Opportunity Cost in the Production Possibilities Model The tradeoff we face between the use of our scarce resources (or even time) can be modeled

in a simple Economic graph known as the Production Possibilities Curve (the PPC). Study the graph below: Tradeoffs in the PPC: Sarah faces two tradeoff. She can either work or play with her limited amount of time. The opportunity cost of an hour of work is an hour of play As she goes from 3 hours of work to 7 hours of work, she gives up 4 hours of play. She cannot spend 10 hours working AND 10 hours playing, so Sarah has to make CHOICES This basic model can be used to illustrate the economic challenges faced by individuals, firms, states, countries or the entire world 1.0 Introduction to Economics Consider the hypothetical PPC for the country of Italy This model shows that Italy can produce: Either 7.5 million pizzas, OR 750 robots Note, however, that Italy can NOT produce 7.5 million pizzas AND 750 robots Italy faces a tradeoff in how to use its scarce resources of land, labor and capital. As the country moves along its PPC from point A to point D: It gives up more and more pizza to have more robots It gives up current consumption of food for production of robots, which themselves are capital goods, and therefore will assure that Italys economy will grow into

the future. The PPC 1.0 Introduction to Economics Assumptions about the PPC A point ON the PPC is attainable only if a nation achieves full-employment of its productive resources The nation's resources are fixed in quantity The economy is closed, i.e. does not trade with other countries Represents only one country's economy Observations about points on or within the PPC Points ON the PPC are attainable, and desirable, since a country producing on the line is achieving full employment and efficiency Points inside the PPC (such as E) are attainable but undesirable, because a nation producing here has unemployment and is inefficient Points outside the PPC (such as F) are unattainable because

they are beyond what is presently possibble given the countrys scarce resources. But such points are desirable because they mean more output and consumption of both goods. The PPC 1.0 Introduction to Economics The PPC Straight line versus curved PPCs A PPC can be either straight (A) or bowed outwards from the origin (B). (A) A straight line PPC Indicates that the two goods require similar resources to produce (like pizzas and calzones) The opportunity cost of one pizza is one calzone, so Italy always gives up the same quantity of one good no mater where it is on its PPC A bowed out PPC Indicates that the two goods require very different resources to produce (like pizzas and robots) As Italy increases its output of one good, the oportunity cost (in terms of the quantity of the other good that must be given up) increases. (B)

The Law of Increasing Opportunity Cost: As the output of one good increases, the opportunity cost in terms of other goods tends to increase 1.0 Introduction to Economics The PPC Key Concepts shown by the PPC In addition to opportunity costs and tradeoffs, the PPC can be used to illustrate several other key Economic concepts, including Scarcity: Because of scarcity, society can only have a certain amount of output Actual output: A countrys actual output is shown by where it is currently producing on or within its PPC Potential output: A point on the PPC shows the potential output of a nation at a particular time Economic growth: An increase in the quantity or the quality of a nations resources will shift its PPC out, indicating the economy has grown Economic development: The composition of a nations output will help determine whether the standards of living of its people are improving over time Economic Growth vs. Economic Development

1.0 Introduction to Economics Economic Growth vs. Economic Development Two of the key areas of study in economics are those of growth and development. Sometimes these concepts are thought of as the same, but they are not. Economic Growth: This refers to the increase in the total output of goods and services by a nation over time. It is also sometimes defined as an increase in household income over time. It is purely a monetary measure of the increases in the material well being of a nation. On a PPC growth can be shown as an outward shift of the curve. Economic Development: This refers to the improvement in peoples standard of living over time. Measured by improvements in health, education, equality, life expectancy and so on Incorporate income as well, but is a much broader measure than growth On a PPC development can be shown by a movement towards the production of goods that improve peoples lives 1.0 Introduction to EconomicsOpportunity Cost Announcement: All economics students will receive a FREE LUNCH of pizza and soda compliments of your Economics teacher this Friday! 1.0 Introduction to EconomicsOpportunity Cost "There's No Such Thing As A Free Lunch! It is a popular saying among Economists that there is no such

thing as a free lunch: Everything in life has a cost associated with it. The free lunch your teacher offers you is not really free. There are opportunity costs associated with giving up your lunch break to eat with your teacher If nothing in life is free, then why do we seem to be surrounded by things that are FREE? Analyze each of the signs below and determine whether youre really getting anything for free. 1.0 Introduction to Economics Markets Product and Resource Markets In the market system, there exists an interdependence between all individuals. Households (thats us) depend on the goods and services produced by business firms, and the incomes they provide us, for our survival Business firms depend on households for the workers, the capital, the land resources they need to produce the goods they hope to sell us and make profits on. These exchanges all take place in one of two categories of market present in all market economies Product Markets Where households buy the goods and services we desire from firms. Examples: The market for private schools The market for dental services The market for airline travel The market for football merchandise Resource Markets

Where business firms buy the productive resources they need to make their products: The market for teachers The market for dentists The market for pilots The market for football players 1.0 Introduction to Economics Markets In Resource Markets: Households supply productive resources (land, labor, capital) Firms buy productive resources from households. In exchange for their productive resource, firms pay households: Wages: payment for labor Rent: payment for land Interest: payment for capital Profit: payment for entrepreneurship Firms seek to minimize their costs in the resource market Firms employ productive resources to make products, which they sell back to households in the product market In Product Markets:

Consumers buy goods and services from firms Households use their money incomes earned in the resource market to buy goods and services Expenditures by households become revenues for firms Firms seek to maximize their profits Households seek to maximize their utility (happiness) Notice the circular flow of money payments from one market to the other The Circular Flow of Resources 1.0 Introduction to Economics The Circular Flow Market economies are characterized by a circular flow of money, resources, and products between households and firms in resource and product markets. Notice: Money earned by households in the resource market is spent on goods and services in the product market

Money earned by firms in the product market is spent on resources from households in the resource market. The incentives of Households: Maximize Utility The incentive of Firms: Maximize Profits! 1.0 Introduction to Economics Resources Resource Payments (Incomes for households) In exchange for their land, labor, capital and entrepreneurship, households receive payments. The payments for the four productive resources (which are costs for firms) ar For Land: Rent Firms pay households RENT. Landowners have the option to use their land for their own use or to rent it to firms for their use. If the landowner uses his land for his own use, the opportunity cost of doing so is the rent she could have earned by providing it to a firm. For Labor: Wages Firms pay households WAGES. To employ workers, firms must pay workers money wages. If a worker is self employed, the opportunity cost of self-employment is the wages he could have earned working for another firm. For Capital: Interest Firms pay households INTEREST. Most firms will take out loans to acquire capital equipment. The

money they borrow comes mostly from households' savings. Households put their money in banks because they earn interest on it. Banks pay interest on loans, which becomes the payment to households. If a household chooses to spend its extra income rather than save it, the opportunity cost of doing so is the interest it could earn in a bank. Entrepreneurship: Profits Households earn PROFIT for their entrepreneurial skills. An entrepreneur who takes a risk by putting his creative skills to the test in the market expects to earn a normal profit for his efforts. The Price Mechanism 1.0 Introduction to Economics The Price Mechanism Prices are how resources are allocated between competing interests in a market economy. Without tradition or command determining the allocation of resources, prices send the signals to producers and consumers regarding what should be produced, how it should be produced, and for whom. Examples of how prices allocate resources: Imagine a city with two types of street food, hot dogs and kebabs. How would price assure that the right amount of these two foods is produced based on consumer demand. At present, The price of a hot dog is $2 The price of a kebab is $3 Due to a report on the negative effects of hot dogs on health, consumers now demand more kebabs. How will each of the two systems assure that the increased demand for kebabs is met? Prices are signals from buyers to sellers! As the demand for kebabs rises, they will become more scarce, causing the price to rise. Sellers will realize there are more

profits in kebabs and hot dog vendors will switch to kebabs. The price mechanism led to a reallocation of resources! The Price Mechanism 1.0 Introduction to Economics Prices as the Allocating mechanism in the market economy If only they'd make more brown leather handbags! Wow, we keep selling out of brown bags, let's raise the price! Price of brown bags rises, other colors must get cheaper to sell More brown bags are made available to buyers Yeah, and we better lower the price of black bags!

The Price Mechanism Video 1.0 Introduction to Economics Commanding Heights - 1.3 & 1.4 Vienna and the Soviet Union International Trade 1.0 Introduction to Economics Introduction to International Trade The expansion of oluntary trade between nations has been a defining characteristic of the global economic system since the second World War. But peoples view on trade were not always so liberal. US President Lincoln once argued that To me that if we buy the rails from England, then we've got the rails and they've got the money. But if we build the rails here, we've got our rails and we've got our money." Author and political Economist Charles Wheelan paraphrased Lincolns view of trade in the following way: "If I buy meat from the butcher, then I get the meat and he gets my money. But if I raise a cow in my backyard for three years and slaughter it myself, then I've got the meat and I've got my money. Whats wrong with Lincolns logic? Lincould probably would not argue against a family buying their meet from a butcher. What he does not recognize is that what makes an economy thrive at the level of individual consumers can also help an economy thrive at the international level. Key Questions about International Trade Why do nations trade? What are the gains from trade between nations? How does a nation determine what it should produce? What are the obstacles to free trade?

International Trade 1.0 Introduction to Economics Specialization based on Comparative Advantage Because the worlds productive resources are not distributed evenly between nations, it does not make sense that every nation tries to produce the same goods. Rather, nations tend to specialize in goods for which their natural, human and capital resources are particularly appropriate to produce. These may be Labor-intensive goods Examples: Textiles Low-skilled manufactured goods Where? China Latin America Low-wage countries Land-intensive goods Examples: Where? Agricultural products North America Minerals Russia Timber resources Australia

Capital-intensive goods Examples: Airplanes Automobiles Microchips Where? Western Europe Japan South Korea What does your country specialize in the production of? Why? International Trade 1.0 Introduction to Economics Specialization based on Comparative Advantage What a particular nation should produce and trade is based on what the country has a comparative advantage in the production of. Comparative Advantage: A country has a comparative advantage in production of a certain product when it can produce that product at a lower relative opportunity cost than another country. Production Possibilities Analysis: Consider two countries, South Korea and the United States. PPC - Korea PPC - USA apples

39 apples How much do apples "cost each country to produce? The US can produce either 39 apples or 13 cell phones. 1 apple = 1/3 cell phone S. Korea can produce either 24 apples or 12 cell phones. 1 apple = cell phone How much do cell phones cost? The US must give up 3 apples for each cell phone it produces. S. Korea must give up only 2 apples for each cell phone it produces. cell phones 13 24 12 cell phones The US has a comparative advantage in apples, South Korea in cell phones International Trade

1.0 Introduction to Economics Specialization based on Comparative Advantage apples apples Because the US has a lower opportunity cost for apples than S. Korea, and S. Korea has a lower opportunity cost for cell phones than the US, these two countries can benefit from specializing and trading with one another. United States: Specialize in apples -> trade Trading Trading 36 39 apples for cell phones with Korea. Korea possibilities line possibilities line USA Korea should be willing to trade 1 apple for 24 anything up to, but not beyond, 1/2 cell phone. Before trade, 1 apple could only be get America 1/3 cell phone. The US has gained from trade. South Korea: Specialize in cell phones -> trade cell phones for apples with the US. The US should be willing to exchange up to

13 12 19.5 cell phones cell phones three apples for one cell phone. Before trade, Korea could only get two apples for The red dashed lines represent the maximum amount of output the each cell phone it gave up. two countries could hope to consume as a result of trade with one another. This is the trading possibilities line. Trade allows each South Korea has gained from trade. nation to consumer beyond its own production possibilities. International Trade 1.0 Introduction to Economics Specialization based on Comparative Advantage Specialization is defined as the use of the resources of an individual, a firm, a region, or a nation to concentrate production on one or a small number of goods and services. What a person, company or country should specialize in depends on the task for which it has the lowest opportunity costs. Countries should specialize based on the products for which they have a comparative advantage Terms of trade: Terms that are mutually beneficial to the two countries in trade. Where the trade leaves both countries better off than they were originally. Gains from Specialization and Trade: Specialization based on comparative advantage improves global resource allocation. Each country would result in a larger global output with the same total inputs or world resources and technology. Specialization and trade based on comparative advantage increases the productivity of a nation's resources and allows for greater total

output than would otherwise be possible. International Trade 1.0 Introduction to Economics Specialization and Trade based on Production Possibilities Tables The PPC provides a graphical means of displaying a nations potential output of two goods. The same information can be shown in a table as well. These tables come in two types, Output and Input tables. Output Table Reading the table: Given a fixed amount of resources, Mexico and the USA can choose between the following alternatives. Soybeans Input Table Reading the table: In order to produce one ton of output, Mexico and the USA must use the following amount of resources. (in acres of land) Avocados Soybeans Avocados Mexico 15

60 Mexico 16 8 USA 30 90 USA 8 6 How to determine specialization and trade based on a table 1. Identify the opportunity costs of soybeans and avocados in Mexico and the USA 2. The countries should specialize in the one for which they have the lower opportunity cost. 3. Cross multiplication trick. (maximize output and minimize inputs) International Trade 1.0 Introduction to Economics Specialization and Trade based on Production Possibilities Tables Based on the tables below, Mexico has the comparative advantage in avocados and the US in soy beans.

The two countries should specialize and trade with one another based on these advantages. Input Problem Output Problem Soybeans Mexico Soybeans Avocados 60 = 1800 15 Mexico 30 8 = 64 16 X X USA Avocados 90 = 1350 USA

8 6 = 96 For an output problem, simply cross multiply and then choose the highest level of output. For an input problem, cross-multiply and then choose the combination that uses the least amount of inputs. Output is maximized when the US specializes in soybeans and Mexico in avocados. Inputs are minimized when the US specializes in soybeans and Mexico in avocados. International Trade 1.0 Introduction to Economics Absolute Advantage versus Comparative Advantage Soybeans Having put the data into a PPC, it is clear that the US is, in fact, better at producting BOTH avocados and soybeans. The US has an absolute advantage in both goods Absolute Advantage: When a nation can produce a certain good more efficiently than another nation. How is this different from comparative advantage? Having an absolute advantage in a product, as the US does in both soybeans and avocadoes, does not mean a country has a lower opportunity costs in

both products. The US should still only specialize in what it has a comparative advantage in. Soybeans Avocados 30 USA 15 Mexico 15 60 USA 30 90 Mexico 60 Avocados 90 Soybeans Avocados

In US: 1s = 3a In US: 1a=1/3s In Mexico: 1s=4a In Mexico: 1a=1/4s 1.0 Introduction to Economics International Trade Video Lesson DETERMINING COMPARATIVE ADVANTAGE USING PPCS WORKED SOLUTIONS TO AP FREE RESPONSE QUESTIONS 1.0 Introduction to Economics Central Themes in Economics Other Key Themes in Economics Having introduces several of the topics you will study in this course, we can now look at some of the major themes that will underlie all sections of the course. These include: The role of government in the economy: In every unit of this course we will examine the appropriate role of government in the market economy. There are some who argument government should never interfere with the free functioning of markets; on the other hand, when market failures arise, the government may be needed to improve the allocation of resources.

Threats to sustainability of current economic trends: What threat do global warming, environmental degredation, population growth and urbanization play to the ability of our economic systems to endure? The conflict between the pursuits of efficiency and equity: Sometimes the pursuit of wealth and economic growth leaves some individuals behind. To what extent should economic policy be concerned with income and wealth inequality? Is there a mechanism available for reducing inequality while at the same time encouraging efficiency? The distinction between economic growth and economic development: The emerging market economies of the world have achieve amazing economic growth for decades; but at what cost? Is increasing income and output the only thing the market system is good for? Does getting richer assure we will be happier, live longer and healthier lives, and live in a just society? Each of these themes will guide us in our examination of Economics throughout the course

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