This paper concerns income- and production taxation in a decentralized fiscal federalism model where the ability to commit differs among member countries. It is assumed that the federal government dictates environmental targets to be implemented at the national level, where the horizontal leader...

This paper concerns optimal taxation and public goods in an economic federation with decentralized leadership, where one lower level government is the first mover also in the horizontal dimension. Under plausible assumptions, horizontal leadership reinforces the incentives created by...