ECON 2002.01 Lecture Notes - Lecture 27: Phillips Curve, Adaptive Expectations, Real Wages

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Real wages = nominal wages/pi * 100. Actual inflation > expected, then real wage < expected, ur decreases (cheaper labor) Actual inflation < expected, then real wage > expected, ur increases (costlier labor) Increase in inflation rate causes decrease in ur only when the change in inflation rate was unexpected. Inflation greater than expected, move along the srpc curve, inflation increases and ur decreases. By the 70s, established there is no long run tradeoff between inflation and unemployment rate, inflation is stable when ur = natural rate of unemployment. Low inflation (we tend to ignore as a people) Reactional expectations (use all available information), faster adjustments. Workers and firms might not have rational expectations. Wages and prices are not completely flexible. Y = c + i + g. I = y - c - g = national savings. Open economy: economy with interactions in trade and finance with other countries.

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