The model that we develop here considers that an upstream firm sells a vital input to downstream firms. There are vertical spillovers and two different regulatory policies of the input price: cost oriented regulation and no-regulation. We also admit two alternative market structures: vertical...

In this paper, we consider the single machine scheduling problem with linear earliness and quadratic tardiness costs, and no machine idle time. We propose a genetic approach based on a random key alphabet. Several genetic algorithms based on this approach are presented. These versions differ on...

In spite of being mainly concerned with stabilization policies, central banks in many developed countries often advocate the necessity of structural reforms. In turn, demand-side policies - such as monetary policy - can often help improving the political support of reforms (two-handed-approach)....