We analyze an infinite horizon stochastic game with discounting of future single period payoffs that models interaction between Cournot duopolists producing differentiated products. There are two states of demand for an output of each firm. The probabilities of their occurrence depend on random...

Globalization has been accompanied by rising pressure from advocacy non-governmental organizations (NGOs) on multinational firms to act in socially-responsible manner. We analyze how NGO pressure interacts with industry structure, using a simple model of NGO-firm interaction embedded in an...

We study the incentives towards horizontal merger among firms when the amount of capital is the strategic variable. We focus on is workers' cooperatives, but our conclusions apply also to employment-constrained profit maximisers. Within a simple oligopoly model, we prove that the horizontal...

This paper discusses welfare costs of a decrease in productivity and argues that there are two important channels which cause a reduction in welfare: a decrease in output per firm (intensive margin) and a decrease in number of operating firms (extensive margin). Traditional Dixit-Stiglitz...

We analyze a nonlinear pricing model with limited information. Each buyer can purchase a large variety, d, of goods. His preference for each good is represented by a scalar and his preference over d goods is represented by a d-dimensional vector. The type space of each buyer is given by a...

We analyze a class of games with interdependent values and linear best responses. The payoff uncertainty is described by a multivariate normal distribution that includes the pure common and pure private value environment as special cases. We characterize the set of joint distributions over...

Vegyes oligopóliumoknak nevezzük az olyan piacszerkezeteket, amelyek esetében a magánvállalatok mellett állami vállalatok is tevékenykednek. A vegyes oligopóliumokban az állami vállalatok részben vagy egészében a társadalmi többletet kívánják maximalizálni. Olyan vegyes...

Az Európai Bizottság a magyarországi hosszú távú villamosenergia-szerződések vizsgálata során arra a következtetésre jutott, hogy azok gátolják az egységes liberalizált energiapiac létrehozását, ezért előírta megszüntetésüket. A cikk a szerződések érintettjei közül...

A tanulmány Magyarország tejvertikumának piaci viselkedését elemzi 1995 és 2003 között. Egyrészt azt vizsgálja, hogy a tejvertikumon belül a piaci hatásoknak megfelelően alakultak-e az egyes vertikumszakaszok árai, másrészt hogy a vertikum mely szereplői vannak a legnagyobb...

This study derives pure strategy Bertrand equilibria in a duopoly in which two firms produce a homogeneous good with convex cost functions and seek to maximize the weighted sum of their absolute and relative profits. The study shows that there exists a range of equilibrium prices in duopolistic...