The relative importance of migrant workers has been increasing in the world economy. Conscious of their growing numbers, the migrant-receiving and migrant sending countries have agreed to grant social security benefits to migrant workers and their families. To this end they have ratified or...

Strong evidence shows that the existing pattern of cross-border pension taxation in OECD countries and beyond is extremely diverse and inconsistent, generating a double fairness dilemma for individuals and countries alike. This paper argues that this dilemma cannot be solved within the current...