Online review aggregators, such as TripAdvisor, HotelClub and OpenTable help consumers identify the products and services that best match their preferences. The goal of this study is to understand the impact of online review aggregators on firms and consumers. We adopt Salop's circular city...

Instant messenger (IM) is one of the most popular Internet applications all over the world.This paper examines the pricing problem of IM based on two-sided market model. IM serves as a two-sided platform, which gets both Internet users and advertisers on board. This paper concludes that IM...

We study the evolution of imitation behaviour in a differentiated market where firms are located equidistantly on a (Salop) circle. Firms choose price and quantity simultaneously, leaving open the possibility for non-market-clearing outcomes. The strategy of the most successful firm is imitated....

This paper has two important goals. The first one is to build a Cournot model that illustrate the strategic behavior of the leader energy generators of the Colombian energy market, using the spot price as a strategic variable to estimate the optimal quantities of the short term energy market....

We build a theoretical model to study a market structure with a marketing cooperative and direct selling, in which many farmers are members of an agricultural marketing cooperative. They can sell their production either to the cooperative or on an oligopolistic local market. We show that the...

We examine the intra-metropolitan location decisions of retail stores by focusing on the openings of a comprehensive list of department (“anchor”) stores in the United States. The nonparametric K-density procedure shows that new stores are more dispersed than existing stores; their locations...

We study monopolistic competition under indirect additivity of preferences. This is dual to the Dixit-Stiglitz model, where direct additivity is assumed, with the CES case as the only common ground. Other examples include (perceived) demand functions that are exponential or linear. Our...

We explore how pricing dynamics in the European airline industry vary with the competitive environment. Our results highlight substantial variations in pricing dynamics that are consistent with a theory of intertemporal price discrimination. First, the rate at which prices increase towards the...

El punto de partida de cualquier análisis de competencia, consiste en la definición adecuada del mercado tanto en términos de producto como en términos geográficos. Sin embargo, la definición de los límites no siempre resulta sencilla, en particular cuando se refiere a términos...

It is well established that incumbent firms may try to deter market entry by pretending to be stronger than they really are. In this article, we show that in some cases an incumbent may prefer the opposite, namely to encourage entry by signaling weakness. If the incumbent cannot deter entry of a...