International capital flows can create significant financial instability in emerging economies because of pecuniary externalities associated with exchange rate movements. Does this make it optimal to impose capital controls or should policymakers rely on domestic macroprudential regulation? This...

This paper provides an introduction to the new economics of prudential capital controls in emerging economies. This literature is based on the notion that there are externalities associated with financial crises because individual market participants do not internalize their contribution to...

In an interconnected world, national economic policies regularly lead to large international spillover effects, which frequently trigger calls for international policy cooperation. However, the premise of successful cooperation is that there is a Pareto inefficiency, id est if there is scope to...