We study how an optimal income tax and an optimal public-goods provision rule respond to preference and productivity shocks. A conventional Mirrleesian treatment is shown to provoke manipulations of the policy mechanism by individuals with similar interests. We therefore extend the Mirrleesian...

Most tax evasion models are set in a timeless environment and assume that only income flow can be evaded. This framework is not suitable for financial market where an evasion decision is taken in an intertemporal framework and an asset itself can be evaded. We assume that a representative agent...