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Risk Attitudes and Internet Search Engines: Theory and Experimental Evidence

García-Gallego, Aurora; Georgantzís, Nikolaos; … - NET Institute - 2004

This paper analyzes the impact on consumer prices of the size and biases of price comparison search engines. We develop several theoretical predictions, in the context of a model related to Burdett and Judd (1983) and Varian (1980), and test them experimentally. The data supports the model’s...

Persistent link: https://www.econbiz.de/10005622725

Competing Against Simulated Equilibrium Price Dispersions: An Experiment On Internet-Assisted Search Markets

García-Gallego, Aurora; Georgantzís, Nikolaos; … - NET Institute - 2005

In a four-treatment experiment, we test some of the hypotheses in García-Gallego et al. (2004) concerning competition among a number of firms of which some (or all) are indexed by a price-comparison engine facilitating buyers’ search process. In this paper, we isolate individual behavior from...

Persistent link: https://www.econbiz.de/10005760642

Collusion and the political differentiation of newspapers

Antonielli, Marco; Filistrucchi, Lapo - NET Institute - 2011

prices and advertising tariffs. We build on the work of Gabszewicz, Laussel and Sonnac (2001, 2002), whose model we take as …), cover prices are positive and the minimal differentiation outcome does not depend on the size of the advertising market. We … to cooperate in setting cover prices and advertising tariffs but not the editorial line …

Persistent link: https://www.econbiz.de/10010905448

Bundling Incentives in Markets with Product Complementarities: The Case of Triple-Play

Macieira, Joao; Pereira, Pedro; Vareda, Joao - NET Institute - 2013

We analyze firms' incentives to bundle and tie in the telecommunications industry. As a first step, we develop a discrete-choice demand model where firms sell products that may combine several services in bundles, and consumers choose assortments of different types of products available from...

Persistent link: https://www.econbiz.de/10010905449

Simulation of Merger in Mobile Telephony in Portugal

Grzybowski, Lukasz; Pereira, Pedro - NET Institute - 2006

This article assesses the unilateral e ects of a merger in the Portuguese mobile telephony market. We use aggregate quarterly data from 1999 to 2005 and a nested logit model to estimate the price elasticities of demand and the marginal costs of subscription to mobile services. We nd that mobile...

Persistent link: https://www.econbiz.de/10005622755

Merger Simulation in Mobile Telephony in Portugal

Grzybowski, Lukasz; Pereira, Pedro - NET Institute - 2007

This article assesses the unilateral effects on prices of a merger in the Portuguese mobile telephony market. We use aggregate quarterly data from 1999 to 2005 and a nested logit model to estimate the price elasticities of demand and the marginal costs of subscription of mobile telephony. Given...

Persistent link: https://www.econbiz.de/10005622758