FISCAL MULTIPLIERS AT THE ZERO LOWER BOUND: THE ROLE OF GOVERNMENT SPENDING PERSISTENCE

Phuong V. Ngo

Macroeconomic Dynamics, 2021, vol. 25, issue 4, 970-997

Abstract: In this paper, I examine the role of government spending persistence on fiscal multipliers at the zero lower bound (ZLB) in a more realistic environment while keeping the model simple enough to identify mechanisms driving the result. In particular, I build on a standard dynamic New Keynesian (DNK) model with an occasionally binding ZLB and Rotemberg pricing with rebates, where the probability of hitting the ZLB and the government purchase shock are in line with US data. Moreover, I compute the multiplier in a state that mimics the Great Recession. The main findings of the paper are as follows: (1) the multiplier is non-monotonic in the persistence of government spending while the economy is at the ZLB; (2) given the persistence estimated from US data, the multiplier is 1.25; and (3) in the framework with perfect foresight or with aggregate resource cost for adjusting prices, the multiplier is around 1 or less.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:cup:macdyn:v:25:y:2021:i:4:p:970-997_5

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