It is well known that existence of monopoly is accompanied by economic inefficiency in the form of dead weight loss and reduced consumer surplus. The consumer surplus that exists in case of perfect competition gets reduced in case of monopoly; as a part of it goes to the monopolist in the form...

The model of perfect competition is one of the most famous, most important, and most misunderstood concepts in economics. Rather than aiming to be a full-blown model of real-world competitive markets, the perfect competition model isolates the decentralized coordination mechanism inherent in all...

Spatial Computable General Equilibrium (SCGE) models are convenient methods of the analysis of the change of inter-regional economic interaction or regional benefit by policy shocks. Recent SCGE models have two main streams in terms of the assumption of market structure; perfect competition...

The profit-maximizing and oligopoly bank model developed by Bresnahan and Lau allows determining the degree of market power held by an average bank. The equilibrium price equation includes a mark up, which is not used in the case of perfect competition but which is partially used in the case of...