A two-stage game is used in this paper to model a long-run market with spatially separated producers and with multi-period demands: first, firmas simultaneously and independently invest their capacities; second, after capacities are set up in the first stage and made public, firms engage in a...

A general notion of market perfect contestability is introduced. It coincides with the definition given by Baumol et al. under Bertrand competition, but is compatible with other forms of competition: Cournot competition as well as monopolistic competition. Using this notion,we illustrate the...

Long-run oligopolistic expansion behavior in an electricity supply market is modeled in this paper.