This paper provides a critique of the "unemployment invariance hypothesis", according to which the behavior of the … labor market ensures that the long-run unemployment rate is independent of the size of the capital stock, productivity, and … equilibrating mechanisms to ensure unemployment invariance and that other markets may perform part of the equilibrating process as …

This paper offers a reappraisal of the inflation-unemployment tradeoff, based on "frictional growth" describing the … these shocks also generate plausible impulse-responses for unemployment. Although our theory contains no money illusion, no … permanent nominal rigidities, and no departure from rational expectations, there is a long-run inflation-unemployment tradeoff. …