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Foreign Exchange Interventions and Intermediary Constraints

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  • Ferreira, Alex
  • Mullen, Rory
  • Ricco, Giovanni
  • Viswanath-Natraj, Ganesh
  • Wang, Zijie

Abstract

We study the impact of foreign exchange interventions during periods of tight credit constraints. Expanding on the Gabaix and Maggiori (2015) model, we predict that long-lived spot interventions have larger effects on exchange rates than shortlived swaps, unanticipated interventions are more impactful, and tighter credit constraints amplify effects. Using high-frequency data on Brazilian Central Bank interventions from 1999 to 2023, we find that unanticipated spot sales of USD reserves lead to significant domestic currency appreciation and reduced covered interest parity deviations. Spot interventions outperform swaps, especially when global intermediaries are constrained, and enhance market efficiency by lowering USD borrowing costs.

Suggested Citation

  • Ferreira, Alex & Mullen, Rory & Ricco, Giovanni & Viswanath-Natraj, Ganesh & Wang, Zijie, 2024. "Foreign Exchange Interventions and Intermediary Constraints," CEPR Discussion Papers 19556, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:19556
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    Keywords

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    JEL classification:

    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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