We theoretically illustrate how macroprudential policy spillovers through international capital flows can lead to uncoordinated policy choices that are tighter than would occur with coordination. We consider a symmetric two-country macro model in which countries have limited ability to issue...

Lack of coordination for prudential regulation hurts developing economies but benefits advanced economies. We consider a two-country macro model in which countries have limited ability to issue state-contingent contracts in international markets, and equilibrium is con- strained inefficient....

In standard Walrasian macro-finance models, pecuniary externalities such as fire sales lead to overinvestment in illiquid assets or underprovision of liquidity. We investigate whether imperfect competition (Cournot) improves welfare through internalizing the externality and find that this is far...