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

The pricing policy of Bulgarian manufacturing firms is analysed in the paper in the context of the theory of the price-setting behaviour of firms endowed with market power, and more specifically, using the notion of mark-up pricing. Using some recent derivations in the literature, we estimate...