The announcement of a plan to cut the U.S. federal budget deficit through the Gramm-Rudman-Hollings legislation provides an excellent opportunity to examine the influence of expectations on economic behavior. This paper presents a small forward-looking macroeconomic model and simulates the...

This paper uses a DSGE model to examine the effects of an expansion in government spending in a liquidity trap. If the liquidity trap is very prolonged, the spending multiplier can be much larger than in normal circumstances, and the budgetary costs minimal. But given this "fiscal free lunch,"...

This overview examines conditions for reliable economic policy analysis based on econometric models, focusing on the econometric concepts of exogeneity, cointegration, causality, and invariance. Weak, strong, and super exogeneity are discussed in general; and these concepts are then applied to...