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Fiscal Austerity in Ambiguous Times

By Axelle Ferriere and Anastasios G. Karantounias

American Economic Journal: Macroeconomics, January 2019

This paper analyzes optimal fiscal policy with ambiguity aversion and endogenous government spending. We show that, without ambiguity, optimal surplus-to-output ratios are acyclical and that there is no rationale for either reduction or further accumulati...

When Is Foreign Exchange Intervention Effective? Evidence from 33 Countries

By Marcel Fratzscher, Oliver Gloede, Lukas Menkhoff, Lucio Sarno, and Tobias Stöhr

American Economic Journal: Macroeconomics, January 2019

This paper examines foreign exchange intervention based on novel daily data covering 33 countries from 1995 to 2011. We find that intervention is widely used and an effective policy tool, with a success rate in excess of 80 percent under some criteria. Th...