In the paper we focus on the class of M/G/1 single vacation models, where a server takes exactly one vacation immediately after service completion and there are no items available in the system. This vacation model class includes model types with different vacation disciplines and, particularly,...

This paper explores the economic performance of the parallel path R&D approach to product innovation in the absence of patent protection. This is done within the context of a formal model in which competitive innovation is characterized as a dynamic game. The dynamic programming approach used by...