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Economics on Main Street: Concepts for American Voters. May 2012. Introductory Notes. About the Prof (introduction, questions?) About the Students (please fill out & turn in) Sessions and Topics (see next slide). Sessions & Topics. Fundamental Tradeoffs and Economic Growth
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Economics on Main Street:Concepts for American Voters May 2012
Introductory Notes • About the Prof (introduction, questions?) • About the Students (please fill out & turn in) • Sessions and Topics (see next slide)
Sessions & Topics • Fundamental Tradeoffs and Economic Growth • Markets Are Perfect, Except When They’re Not • Income Inequality & Jobless Recoveries • Public Goods & Sustainable Social Contracts
Fundamental Tradeoffsand Economic Growth (1) fundamental tradeoffs
Dylan, a sophomore at ISU, is considering what to buy this week. He wants the latest IPod Touch and Beats headphones. He wants a portable computer so he can take some weekend trips and keep up with class work. He wants to take his girlfriend out to dinner at a really nice restaurant back home in Lockport. One of the guys he shares an apartment with has quit school and is leaving. Dylan wants a room of his own. His part-time job is interfering with his school work and he wants to quit work. He saw a new mountain bike at that cycle shop near campus and he wants it. Will all of Dylan's wants be satisfied? What will Dylan have to do?
What Dylan Wants • scarcity and tradeoffs unlimited wants, limited resources, choice. opportunity cost in every decision. • applications society (limited land, labor & capital) individuals (limited income, abilities & time) organizations (human, financial & technical)
A Primitive Civilization • we are a small primitive tribe ( our goal is simple: survival ) • what are our specific wants? • what are our limited resources?
A Primitive Civilization Food (meals per week) a (0, 15) 15 10 5 5 f (5, 0) 0 1 2 3 4 5 0 1 2 3 4 5 Shelter (covered rooms)
A Primitive Civilization Food (meals per week) a (0, 15) 15 b (1, 14) Production Possibilities (given known resources) c (2, 12) 10 d (3, 9) e (4, 5) 5 5 f (5, 0) 0 1 2 3 4 5 0 1 2 3 4 5 Shelter (covered rooms)
PPF for a Primitive Civilization Food (meals per week) a 15 b c Unattainable 10 d e 5 5 Attainable f 0 1 2 3 4 5 0 1 2 3 4 5 Shelter (covered rooms)
Production Possibilities • resources, scarcity & opportunity cost ( opportunity cost = sacrifice / gain ) ( all of our choices involve opportunity cost ) • increasing opportunity cost why? unique resources and alternative uses ( consider tribe resources, food & shelter ) ( a-to-b sacrifice of 1, e-to-f sacrifice of 5 ) ( unique resources, start with low cost options )
Changing Slope of PPF slope of PPF steeper as more shelter is produced . . . . this reflects increasing opportunity cost Food a 15 b c 10 d e 5 5 f 0 1 2 3 4 5 0 1 2 3 4 5 Shelter
Production Possibilities • resources, scarcity & opportunity cost • increasing opportunity cost • variety of applications society & production decisions, individuals & consumption choices, households & competing uses of time
Scarce Resources, Basic Tradeoffs Everything Else a b Decisions Faced by Every Society? c d e f One Thing
Scarce Resources, Basic Tradeoffs Everything Else a How Much Devoted to Shelter (Housing)? b c d e f One Thing
Scarce Resources, Basic Tradeoffs Everything Else a How Much Devoted to Health Care? b c d e f One Thing
Scarce Resources, Basic Tradeoffs Everything Else a How Much Devoted to ANY GOOD? (subject to increasing opportunity cost) b c d e f One Thing
Scarce Resources, Basic Tradeoffs Everything Else a b Our Choices As Consumers? c d e f One Thing
Scarce Resources, Basic Tradeoffs Everything Else a b Home Improvement? Dining Out? Travel? c d e f One Thing
Scarce Resources, Basic Tradeoffs Everything Else a b Competing Uses of Time? c d e f One Thing
Scarce Resources, Basic Tradeoffs Earned Income dual careers $71,000 two flexible jobs $56,000 one full time $40,000 one part time $18,000 Household Time
Scarce Resources, Basic Tradeoffs Income a b Retirement Decisions c d e f Time
Economic Decisions • balancing costs & benefits at the margin required tradeoffs (MC), willing tradeoffs (MB) • society & production decisions food vs shelter? guns vs butter? energy vs ??? who decides (a few alternative approaches)? • a disturbing trend in our public discourse diverse views do not preclude consensus, however . . . it helps to agree on the required tradeoffs (PPF), . . . when interest groups are the information sources.
Environmental Well-being a Consider tradeoffs associated with coal, oil, natural gas & nuclear. b c d e f Energy Production
Environmental Well-being If everyone agrees on PPF then will focus on relative benefits of the two goods. Public choice to select which of available points is preferred. a b c d e f Energy Production
Environmental groups claim severe cost and limited product. Industry groups claim low cost and abundant product. Consensus solution less clear. Environmental Well-being a e Energy Production
Fundamental Tradeoffsand Economic Growth (2) sources of economic growth
Questions for Our Tribe Our standard of living appears to be constrained by our production possibilities. • can we expand our production possibilities? • what choices make this possible?
Food PPF defines limits of current consumption b a Shelter
Economic Growth Food m economic growth leads to new possibilities k b old limits g a Shelter
economic growth around the world (real gdp per capita, average annual growth)
Questions for Our Tribe Our standard of living appears to be constrained by our production possibilities. • can we expand our production possibilities? • what choices make this possible?
Spring (salmon) Fall (wildlife) Forest Winter (shellfish & berries) River Stone Circles Shallow Cove Mountain Summer (fish & roots) Ocean
Sources of Economic Growth • find additional resources • exploration & discovery • tribe example? opportunity cost? • create additional resources • capital investment • tribe example? opportunity cost? (how about population growth?)
Sources of Economic Growth • enhance productivity of current resources human capital development • tribe example? opportunity cost? innovation, productive ideas • tribe example? opportunity cost? conservation of natural resources (how about specialization and exchange?)
Sources of Economic Growth • investment choices • capital investment , human capital investment, exploration & discovery, innovation, conservation • all have current cost, future benefit
Sources of Economic Growth Capital Goods m growth determined by current choices k b g a Consumption Goods
Sources of Economic Growth Capital Goods m k current consumption does not promote growth b old limits g a Consumption Goods
Sources of Economic Growth Capital Goods m current investment does promote growth k b old limits g a Consumption Goods
Sources of Economic Growth • investment choices • capital investment , human capital investment, exploration & discovery, innovation, conservation • all have current cost, future benefit • implications of diminishing returns (growth limited when relying on one source alone) • private (individuals, firms) or public