Basics of Macroeconomics peak trough recovery contraction Dr. Dennis Foster
Micro – focus on individual/firm. Economics: A framework for understanding how we cope with scarcity. Micro – focus on individual/firm. Macro – focus on the overall economy.
Macroeconomic problems Unemployment of resources. Economic growth is slow, sluggish, negative. Rising prices; inflation.
Why is Inflation a problem? Milton Friedman … Inflation is always and everywhere a monetary phenomenon. Who controls the money supply? The Federal Reserve System (the government!)
Macroeconomic goals Full employment of resources. Sustained economic growth. Price stability. How are these goals accomplished? --through government policy.
The PPF: A Macro Model of Economy Production Possibilities Frontier 25 35 41 46 49 50 Gallons of Wine G F Tons of Wheat A B C D E I H 20 40 60 80 100 120 [aka, The Production Possibilities Curve] 1. What is the cost in going from (total and per unit): a. A to B? b. B to C? c. C to D? d. D to E? e. E to F? f. F to G? 2. What is the cost in going from (total and per unit): a. G to F? b. F to E? c. E to D? d. D to C? e. C to B? f. B to A? 3. What point is best? 4. What is wrong with H? 5. Can we produce at I? Explain. 6. Can we consume at I? Explain. Reference: Investopedia on the PPF: http://www.investopedia.com/terms/p/productionpossibilityfrontier.asp
Production Possibilities Frontier What does it show us? Scarcity Choice Unemployment Economic growth What doesn’t it show us? What/How/For Whom to produce Inflation How variables are related (theory)
Business Cycles Macro goals are interrelated: peak contraction trough recovery contraction Change in GDP over time. time line Employment high falling low rising Prices stable Growth negative
Business Cycles - Theories External shocks Population pressures [Malthus] Innovation [Schumpeter] Underconsumption [Marx] Erratic anomalies [Classical] Overproduction [Keynesian] Central banking [Austrian]
Basics of Macroeconomics peak trough recovery contraction Dr. Dennis Foster