Olivier Blanchard [pdf] both criticized and defended DSGE, which prompted several takes from Simon Wren-Lewis, Brad DeLong, Paul Krugman, Noah Smith (Twitter conversation with DeLong), and others. Since the resulting commentary was largely negative (and I have been negative about DSGE before:
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DSGE, part 1
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Olivier Blanchard [pdf] both criticized and defended DSGE, which prompted several takes from Simon Wren-Lewis, Brad DeLong, Paul Krugman, Noah Smith (Twitter conversation with DeLong), and others. Since the resulting commentary was largely negative (and I have been negative about DSGE before: