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Optimal crisis interventions in an open economy with credit constraint

Carmina Vargas () and Julián Parra-Polanía ()

Borradores de Economia from Banco de la Republica de Colombia

Abstract: In an open-economy model with ?nancial constraint, Schmitt-Grohé and Uribe (2017) propose an expression for a capital control policy. From this expression, they argue that the optimal tax, i.e. the one that solves the overborrowing problem, is indeterminate when crises occur (i.e. when the constraint binds) and positive during normal times. In contrast, we show that their capital tax (i) is indeterminate during normal times and, in standard cases, positive during crises, and (ii) does not solve the overborrowing problem, and therefore it is not an optimal capital control policy, as opposed to the capital tax proposed by previous literature (positive during normal times and nil during crisis). We also show that the overborrowing problem can be solved as well by a subsidy on consumption (positive during crises and zero during normal times).

Keywords: credit constraint; financial crisis; capital controls; overborrowing; macroprudential (search for similar items in EconPapers)
JEL-codes: D62 F34 F41 G01 H23 (search for similar items in EconPapers)
Pages: 10
Date: 2017-03
New Economics Papers: this item is included in nep-cba, nep-dge and nep-mac
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