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International portfolio rebalancing and fiscal policy spillovers

Author

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  • Alpanda, Sami
  • Aysun, Uluc
  • Kabaca, Serdar

Abstract

We theoretically and empirically evaluate the spillover effects of debt-financed fiscal policy interventions of the United States on other economies. We first consider a two-country dynamic stochastic general equilibrium model with international portfolio rebalancing effects arising from an imperfect substitutability between short- and long-term domestic and foreign bonds. We show that the model predicts fiscal multipliers for the US similar to those found in the literature. For international spillovers, the model shows that US fiscal expansions financed by long-term debt issuance would, on net, hinder economic activity in the rest of the world (ROW). This is despite the standard trade channel's net positive effect on the ROW economy given the depreciation in the ROW currency. The fall in ROW output occurs mainly due to the increase in the ROW term premiums and long-term rates through the portfolio rebalancing channel, as the relative demand for ROW long-term bonds decreases following the increase in the supply of US long-term bonds accompanying the fiscal expansion. Testing the predictions of our theoretical model by using panel regressions and vector autoregressions, we find empirical support for the trade and portfolio balance channels of fiscal spillovers and for the negative relationship between ROW output and US fiscal policy shocks.

Suggested Citation

  • Alpanda, Sami & Aysun, Uluc & Kabaca, Serdar, 2024. "International portfolio rebalancing and fiscal policy spillovers," Journal of Economic Dynamics and Control, Elsevier, vol. 168(C).
  • Handle: RePEc:eee:dyncon:v:168:y:2024:i:c:s0165188924001179
    DOI: 10.1016/j.jedc.2024.104925
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    More about this item

    Keywords

    International portfolio rebalancing; International spillover effects of fiscal policy; Fiscal multipliers; Preferred habitat; DSGE;
    All these keywords.

    JEL classification:

    • E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy; Modern Monetary Theory
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics
    • F42 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - International Policy Coordination and Transmission

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