Universal service obligations (USO) in the postal sector currently enjoy considerable attention among politicians, practitioners and academics. The primary areas of interest have been the viability, costing and funding of the USO in a completely liberalized market. However, the purpose and the...

In finance and economics the key dynamics are often specified via stochastic differential equations (SDEs) of jump-diffusion type. The class of jump-diffusion SDEs that admits explicit solutions is rather limited. Consequently, discrete time approximations are required. In this paper we give a...