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Chapter 14. Aggregate Supply. H.W. pp. 420-21 #3, 4, 7 macromodel as_ad_phillips_curve #1, 4, 8 Skip the appendix A couple of graphs from the previous edition were omitted in the seventh edition. Link to syllabus. Fig. 14-1, p. 404. Short-Run Aggregate Supply Curve.
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Chapter 14. Aggregate Supply H.W. pp. 420-21 #3, 4, 7 macromodelas_ad_phillips_curve #1, 4, 8 Skip the appendix A couple of graphs from the previous edition were omitted in the seventh edition. Link to syllabus
Fig. 13-4, p. 394. Short Run Tradeoff between Inflation and Unemployment
Figure 16.7 The Phillips Curve: Concept and empirical data McConnel/Brue textbook
Other text. Inflation rates and unemployment rates, 1961-2002 Source: McConnel/Brue
Fig. 14-2, p. 405, compared to Fig.14-5, p. 413.Effects of increases in inflationary expectations. High PE Low PE Remember: Rational Expectations Theory says expectations change quickly. Hysterisis is the name given to the idea that macro effects are long term.
Fig. 14-2, p. 405, compared to Fig.14-5, p. 413.Effects of increases in inflationary expectations. LRAS High PE Long Run Phillips Curve Low PE C B A After price expectations change, economy goes from B to C. Remember: Rational Expectations Theory says expectations change quickly. Hysterisis is the name given to the idea that macro effects are long term.
Review Phillips curve: intro, useful to talk about tradeoff, worked in 1960s; interpreted as flip-side of AS Movements along Phillips curve correspond to shifts of AD Monetary or fiscal policy Shifts (up or down) of Phillips curve correspond to shifts of AS: Price of oil, wages ‘technology,’ weather, business taxes, gov’t regulation, etc. and Price (or inflationary) expectations [new idea]
Robert Lucas Born 1937 in state of Washington Parents were leftist, blue collar, working class. Undergraduate major in history at U. of Chicago, where he has spent most of his academic career. Nobel Prize in 1995, primarily for work in Rational Expectations.
Thomas Sargent Born 1943 in Pasadena, California. B.A. at UC-Berkeley, Ph.D. Harvard, 1968 Nobel Prize, 2011 for his work in Rational Expectations (and related areas) Taught at Penn, Minnesota, Stanford, and is now at NYU. Describes himself as a Democrat, “a fiscally conservative, socially liberal Democrat,” adding, “I think that budget constraints are really central.” It’s important to consider the “incentive effects” of government policies, he continued. “There are trade-offs in efficiency and equality, and they lead to choices that aren’t easy,” he said. [NY Times]
Graphs omitted from the sixth edition Fig. 13-1, p. 350 of older book. Fig. 13-2, p. 352 of older book. Discuss whether real wages should be pro-cyclical, or anti-cyclical. Theory says they should be anti-cyclical, but the data seems to suggest they are pro-cyclical. As an additional theoretical comment, it is the case that how closely foreign trade is considered is important in this discussion.
Fig. 13-2, p. 352 . Sixth EditionThe Cyclical Behavior of the Real Wage