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Time-varying fiscal policy in the U.S.

Artur Silva Lopes
Ano de Divulgação 
Código JEL 
C11 - Bayesian Analysis
E32 - Business Fluctuations; Cycles
E62 - Fiscal Policy; Public Expenditures, Investment, and Finance; Taxation
To investigate time heterogeneity in the e¤ects of fiscal policy in the U.S., we use a non-recursive, Blanchard and Perotti-like structural VAR with time-varying parameters, estimated through Bayesian simulation over the 1965:2-2009:2 period. Our evidence suggests that fiscal policy has lost some capacity to stimulate output but that this trend is more pronounced for taxes net of transfers than for government expenditure, whose e¤ectivenessdeclines only slightly. Fiscal multipliers keep conventional signs throughout. An investigation of changes in ?scal policy conduct indicates an increase in the countercyclical activism of net taxes over time, which appears to have reached a maximum during the 2008-09 recession.
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