Global Imbalances and Policy Wars at the Zero Lower Bound

Working Paper: CEPR ID: DP14424

Authors: Emmanuel Farhi; Ricardo Caballero; Pierre-Olivier Gourinchas

Abstract: This paper explores the consequences of extremely low real interest rates in a world with integrated but heterogenous capital markets, nominal rigidities and an effective lower bound (a ZLB for simplicity). We establish four main results: (i) At the ZLB, creditor countries export their recession abroad, which we illustrate with a new Metzler diagram in quantities; (ii) Beggar-thy-neighbor currency and trade warsprovide stimulus to the undertaking country at the expense of other countries; (iii) (Safe) public debt issuances and increases in government spending anywhere are expansionary everywhere; (iv) When there is a scarcity of safe assets, net issuers of safe assets import the recession from abroad.

Keywords: liquidity and safety traps; safe assets; global recession; currency wars; trade wars; current account; capital flows; reserve currency; secular stagnation; public debt; fiscal policy; budget balanced fiscal expansion

JEL Codes: E0; F3; F4; G1


Causal Claims Network Graph

Edges that are evidenced by causal inference methods are in orange, and the rest are in light blue.


Causal Claims

CauseEffect
Creditor countries export their recessions abroad (F65)Economic downturns in debtor nations (F34)
Currency and trade wars serve as a beggar-thy-neighbor strategy (F19)Economic health of affected nations (F69)
Safe public debt issuance and increases in government spending (H63)Positive spillover effects across borders (F69)
Net issuers of safe assets import recessions from abroad (F65)Economic conditions in one country (F69)

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