wrong-tool-by-jerome-awFirst: They are based on unappealing assumptions. Not just simplifying assumptions, as any model must, but assumptions profoundly at odds with what we know about consumers and firms …

Second: Their standard method of estimation, which is a mix of calibration and Bayesian estimation, is unconvincing …

Third: While the models can formally be used for normative​ purposes, normative implications are not convincing …

Fourth: DSGE models are bad communication devices …

Olivier Blanchard