Overdeterminacy and Endogenous Cycles: Trygve Haavelmo's Business Cycle Model
Metroeconomica(2014)
摘要
The econometrician Trygve Haavelmo pursued a research programme in macroeconomic theory that was highly original for its time. We present his macro model for an economy with deregulated financial markets and a policy determined interest rate path. Disequilibria arise in the interface between asset markets and the real economy. A mismatch between the marginal return to capital and investors' required rate generates endogenous switching between recession and full employment regimes. Haavelmo regarded the switching mechanism' as a substitute for liquidity constraints, and together with his ideas of price dynamics, there is a clear Keynesian and Wicksellian influence on his macroeconomic theorizing.
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关键词
endogenous cycles,trygve haavelmo,business
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