Helping the Romer Brothers

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Two decades ago, David Romer constructed the reigning New Keynesian, and therefore current mainstream, version of the Phillips curve. That contribution, which will be closely examined in a new GEM Project monograph, Resurrecting Meaningful Wage Rigidity, got me to thinking … 
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What Should Happen

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This is what I believe should happen. The postwar development of stabilization-relevant macroeconomics becomes divisible, like Caesar’s Gaul, into three parts. The first covers the dominance of the estimable Early Keynesians. EK theorists organized their research around the Neoclassical Synthesis, … 
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Fundamental Choice

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Core neoclassical principles that govern macro modeling are optimization, general equilibrium, and market centricity. The GEM Project argues that the third tenet, the restriction of rational exchange to the marketplace, long ago outlived its usefulness. The emergent ubiquity of complex, … 
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New Keynesian Hybrid Phillips Curve

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As promised, this post looks the hybrid version of the Phillips curve (PC), identified last week as the New Keynesian standard for explaining inflation persistence.  What follows briefly recounts the PC origin story and examines the GEM Project’s superior version.

Adaptive … 
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Inertia in New Keynesian Modeling

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I cannot just yet let the GEM Blog examination of Carlin and Soskice’s Macroeconomics (2015) go. It is very interesting to me how much rational-behavior generalized-exchange modeling would enhance that text, making it uniquely important. The advantage of the 2nd … 
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Getting Efficiency-Wage Theory Wrong

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Last week’s post elaborated on consequences produced by the mainstream macro theory’s absence of rational meaningful wage rigidity (MWR). Overall, the greatest damage has come from model-builders being deprived of crucial guidance in their attempts to construct stabilization-relevant macroeconomics. Surely … 
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Answering an Important Question

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GEM Blog posts vary widely in importance. This one really matters. It elaborates on last week’s identification of the crucial flaw in the second edition of Wendy Carlin and David Soskice’s Macroeconomics (2015). Readers must wonder how the existence of … 
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Macroeconomics, the Two Editions

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This post looks the ambitions and evolution of Wendy Carlin and David Soskice’s Macroeconomics, the first edition of which was published in 2006 by Oxford University Press to immediate acclaim, and the second in 2015. It is an instructive story.

The … 
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