Under perfect competition and constant returns to scale, firms producing homogeneous products set their prices equal to marginal costs, which also equal their average costs. However, the departure from these standard assumptions has important implications with respect to the derived theoretical...

One of the major tasks facing a transition economy is to create the competitive environment of a properly functioning market economy. This paper attempts to analyze the relationship of market structure, market imperfections and corporate performance by mark-up pricing. There is clear evidence...