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On the Effects of Entry in Cournot Markets.

Amir, R.; Lambson, V.E. - Center for Operations Research and Econometrics (CORE), … - 1999

In the framework of symmetric Cournot oligopoly, this paper provides two minimal sets of assumptions on the demand and cost functions that imply respectively that, as the number of firms increases, the minimal and maximal equilibria lead to (i) decreasing industry price and increasing or...

Persistent link: https://www.econbiz.de/10005779485

A Remark on the Number of Trading Posts in Strategic Market Games.

Koutsougeras, L.C. - Center for Operations Research and Econometrics (CORE), … - 1999

In market games the one to one correspondence between commodity types and trading posts would be justified if it were true that the set of equilibria is not affected by the number of trading posts postulated at the ouset of the model. We show that this is not true.

Persistent link: https://www.econbiz.de/10005478962

Efficiency of competition in insurance markets with adverse selection

DE FEO, Giuseppe; HINDRIKS, Jean - Center for Operations Research and Econometrics (CORE), … - 2005

characterize both the competitive and the monopoly market outcomes. When there are two types of risk, the monopoly dominates … competition is less trivial. In effect monopoly is shown to provide better insurance but at the cost of driving out some agents … from the market. Performing simulation for different distributions of risk, we find that monopoly in general performs (much …

Persistent link: https://www.econbiz.de/10005008696

Relaxing Bertrand Competition: Capacity Commitment Beats Quality Differentiation.

Boccard, N.; Wauthy, X. - Center for Operations Research and Econometrics (CORE), … - 1999

Both product differentiation through quality and capacity commitment have been shown to relax price competition. However, they have not been considered simultaneously. To this end we consider a three stage game where firms choose quality then commit to capacity and finally compete in price.

Persistent link: https://www.econbiz.de/10005779424

Subscription As a Price Discrimination Device.

Gabszewicz, J.; Sonnac, N. - Center for Operations Research and Econometrics (CORE), … - 1997

We propose a model representing a newspaper producer suppying a product which can be acquired by the readers either every day per one unit at a time, or by subscription. The population of potentil buyers is differenciated according to the frequency at which they want to read the newspaper.

Persistent link: https://www.econbiz.de/10005779452

Monopolistic Competition, Multiproduct Firms and Optimum Product Diversity.

Ottaviano, G.I.P.; Thisse, J.-F. - Center for Operations Research and Econometrics (CORE), … - 1999

This paper tackles the issue of optimum product diversity in an imperfectly competitive market with small of large firms. First, it develops a quadratic utility model of monopolistic competition with horizontal product differentiation which avoids some of the main pitfalls of the S-D-S approach....

Persistent link: https://www.econbiz.de/10005779523

On the Macroeconomics of Uncertainty and Incomplete Markets.

Dreze, J.H. - Center for Operations Research and Econometrics (CORE), … - 1999

Presidential address for the Twelfth World Congress of the International Economic Association, summarising semi-formally the author's recent work and concerns. Uncertainty and incomplete markets breed demand volatility as well as price and wage rigidities. The conjunction of these leads to...

Persistent link: https://www.econbiz.de/10005779526

Workers' Skills and Product Selection.

Gabszewicz, J.; Turrini, A. - Center for Operations Research and Econometrics (CORE), … - 1999

affected by the extent to which skills are abundant. By means of a comparison between monopoly and perfect competition, we show …

Persistent link: https://www.econbiz.de/10005478903

Time-to-market in vertically differentiated industries

BACCHIEGA, Emmanuelle; GABSZEWICZ, Jean J.; TAROLA, Ornella - Center for Operations Research and Econometrics (CORE), … - 2004

We study the introduction of new products in a vertically differentiated industry. Innovative firms have to engage into reducing time-to-market investments in order to shorten the time interval between innovation and sales. Still, these investments generate irreversible costs which have to be...

Persistent link: https://www.econbiz.de/10005043667

Co-Integration and Leadership in the European Off-Season Fresh Fruit Market.

Giot, P.; De Frahan, B.H.; Pirotte, N. - Center for Operations Research and Econometrics (CORE), … - 1999

This paper tests market co-integration, market leadership and price margins in the context of the recent development of European markets for imported off-season fresh fruit countries in the southern hemisphere. The Engle-Garner and Johansen co-integration tests show that the main European...

Persistent link: https://www.econbiz.de/10005634053