A recent Spanish tax reform granted regions the authority to set income tax rates, resulting in substantial tax differentials. We use individual-level information from Social Security records over a period of one decade. Conditional on moving, taxes have a significant effect on location choice....

We study the effects of decentralized wealth taxation on mobility and the effectiveness of tax coordination at mitigating tax competition. We exploit the reintroduction of the Spanish wealth tax, after which all regions except Madrid levied positive tax rates. We find the mobility responses to...

Prior studies show that taxes matter for the residential locations of high-income earners. But, states raise a significant share of revenue from nonresidents. Using variation in state tax rates, we provide causal evidence on the effect of the net-of-tax rate on the location of labor supply for...

The remote work revolution raises the possibility that a larger segment of the population will be able to sever the geographic linkage between home and work. What are the taxing rights of states as to nonresident remote workers? May a state impose income taxes on nonresident employees only to...

This paper studies the interstate effects of decentralized taxation and spending when individuals can work from home (WFH). Because WFH decouples population and employment, the analysis of tax impacts on state populations, employment levels, wages and housing prices is radically different than...