In this paper I consider the effects of migration on the spread and speed of the propagation of new conventions, technologies, etc. I show that the speed of the propagation increases with the openness of the economy. The application of the model to the equilibrium selection in 2 × 2...

Using administrative data on the globally connected super-rich in the UK, we study the effect of a large tax reform on migration behaviour. Prior to 2017, offshore investment returns for 'non-doms' - individuals tax-resident in the UK but with connections to other countries – were untaxed....

We study international migration responses of the super-rich to taxes using UK administrative data and a difference-in-differences design. We exploit a reform that removes access to a tax break on foreign income for foreigners based on their number of years in the UK, allowing us to compare...