Three Strands of Theory
This chapter argues that while real business cycles and New Keynesian theories with nominal rigidities may help explain certain historical episodes, alternative strands of New Keynesian economics focusing on financial market imperfections, credit, and real rigidities provide a more convincing interpretation of deep downturns, such as the Great Depression and the Great Recession, giving a more plausible explanation of the origins of downturns, their depth and duration.
KeywordsMonetary Policy Balance Sheet Rational Expectation Full Employment Technology Shock
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