Optimal Bank Reserve Remuneration and Capital Control Policy
40 Pages Posted: 15 Nov 2021 Last revised: 14 Jul 2023
Date Written: November 2021
A central prediction of open economy models with a pecuniary externality due to a collateral constraint is that the unregulated economy overborrows relative to what occurs under optimal policy. A maintained assumption in this literature is that households borrow directly from foreign lenders. This paper shows that if foreign lending is intermediated by domestic banks and the government has access to capital controls and interest on bank reserves, the unregulated economy underborrows. The optimal bank reserve policy is countercyclical. By increasing bank reserves during contractions, the government acts as a lender of last resort to collateral-constrained households.
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