Differences in the degree of fiscal decentralization observed between the U.S. and many countries in Europe cannot be explained within the standard theory of fiscal decentralization. By introducing preferences for solidarity - equality in the provision of public goods and services across regions...

We develop a dynamic computational network model of the banking system where fire sales provide the amplification mechanism of financial shocks. Each period a finite number of banks offers a large, but finite, number of loans to households. Banks with excess liquidity also offer loans to other...