We present a multi-city economic model to study the endogenous choice of migration and to evaluate various policy alternatives during a pandemic. We combine a traditional epidemic dynamic model with endogenous migration decisions between cities and provide analytical solutions under two...

It is well known that movements in lending rates are asymmetric; they rise quickly and sharply, but fall slowly and gradually. Not known is the fact that the asymmetry is stronger the less developed a country's financial system is. This new fact is here documented and explained in a model with an...

How can fire sales for financial assets happen when the economy contains well capitalized, but non-specialist investors? Our explanation combines rational expectations equilibrium and "lemons" models. When specialist (informed) market participants are liquidity-constrained, prices become less...

I study how banks and other financial intermediaries can use information disclosure to prevent self-fulfilling bank runs. I begin with a finite-agent version of Diamond and Dybvig (1983) with correlated liquidity shocks and sequential service. I allow the intermediary to inform each investor...

Can central counterparty (CCP) clearing control counterparty risk in the presence of risk taking that can aggravate such risk? When counterparty risk is not observable, I show that central clearing leads to higher collateral requirements for two different reasons. Without collusion about risk...

This paper studies the implications of cross-border financial integration for financial stability when banks' loan portfolios adjust endogenously. Banks can be subject to sectoral and aggregate domestic shocks. After integration they can share these risks in a complete interbank market. When...

This paper explains why crises follow periods of sustained banking profitability in an environment in which there is uncertainty about whether outcomes depend on the risk management skills of banks, or are just based on luck, in the spirit of Piketty's Model (1995) of “left-wing” and...

To explore the propagation of undesirable policies in a form of populist extremism, we construct a social learning model featuring agency problems. Politicians in different countries sequentially implement a policy. Voters learn the incumbent politician's type and the desirable policy by...