Working Papers

From Portuguese Competition Authority
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37: Asymmetries in the adjustment of motor diesel and gasoline pump prices in Europe

Jorge Rodrigues

36: A Simple Nonparametric Estimator for the Distribution of Random Coefficients in Discrete Choice Models

Patrick Bajari, Jeremy Fox, Kyoo il Kim and Stephen Ryan

35: Incentives to Invest and to Give Access to Non-Regulated Next Generation Networks

Duarte Brito, Pedro Pereira and João Vareda

34: Can Two-Part Tariffs Promote Efficient Investment on Next Generation Networks?

Duarte Brito, Pedro Pereira and João Vareda

33: Sustaining Collusion in Growing Markets

Helder Vasconcelos and Helder Vasconcelos

31: Unbundling and Incumbent Investment in Quality Upgrades and Cost Reduction

João Vareda

30: Access Regulation under Asymmetric Information about Demand

João Vareda

29: The race for telecoms infrastructure investment with bypass: Can access regulation achieve the first best?

João Vareda and Steffen Hoernig

28: Asymmetric Collusion and Merger Policy

Mattias Ganslandt, Lars Persson and Helder Vasconcelos

27: The Complementarity between Calls and Messages in Mobile Telephony

Lukasz Grzybowski and Pedro Pereira

26: The Consumer Loss of the Minimum Duration for Mobile Telephone Calls

Lukasz Grzybowski and Pedro Pereira

25: Product Differentiation when Competing with the Suppliers of Bottleneck Inputs

Duarte Brito and Pedro Pereira

24: Dynamic price competition with capacity constraints and strategic buyers

Gary Biglaiser and Nikolaos Vettas

23: The Impact of Cost-Reducing R&D Spillovers on the Ergodic Distribution of Market Structures

Christopher Laincz and Ana Rodrigues

22: Dynamic Price Competition with Network Effects

Luis Cabral

21: The Welfare Impact of Competition in Fixed Telephony

Toker Doganoglu and Pedro Pereira

20: Bias and Size Effects of Price-Comparison Search Engines: Theory and Experimental Evidence

Aurora García-Gallego, Nikolaos Georgantzís, Pedro Pereira and José C. Pernías-Cerrillo

19: Are Sunk Costs a Barrier to Entry?

Luis Cabral and Thomas Ross

18: Quality Upgrades and the (loss) of Market Power in a Dynamic Monopoly Model

James Anton and Gary Biglaiser

17: The Impact on Broadband Access to the Internet of the Dual Ownership of Telephone and Cable Networks

Pedro Pereira and Tiago Ribeiro

16: Access to Bottleneck Inputs under Oligopoly: a Prisoners Dilemma?

Duarte Brito and Pedro Pereira

15: Mobile Virtual Network Operators: Beyond the Hyperbolae

Duarte Brito and Pedro Pereira

14: Buyer power and pass-through of large retailing groups in the Portuguese food sector

Jorge Rodrigues

13: On the Diffusion of Electronic Commerce

Emin Dinlersoz and Pedro Pereira

12: Moonlighting: Public Service and Private Practice

Gary Biglaiser and Ching-to Ma

11: Some Investment and Competition Implications of the Ownership Structure of Overlapping Networks

Duarte Brito and Pedro Pereira

10: Merger stability in a three firm game

Duarte Brito and João Gata

9: Ownership Structure of Cable Networks and Competition in Local Access

Duarte Brito and Pedro Pereira

8: The Diffusion of Cellular Telephony in Portugal before UMTS: A Time Series Approach

Pedro Pereira and José Pernías-Cerrillo

7: STUDY ON COMPETITION POLICY IN THE PORTUGUESE INSURANCE SECTOR: ECONOMETRIC MEASUREMENT OF UNILATERAL EFFECTS IN THE CAIXA/BCP MERGER CASE

Christian Gollier and Marc Ivaldi

6: Does Microsoft Stifle Innovation? Dominant Firms, Imitation, and R&D Incentives

Luis Cabral and Ben Polak

5: Entry, Costs Reduction, and Competition in the Portuguese Telephony Industry

Philippe Gagnepain and Pedro Pereira

4: Do Lower Search Costs Reduce Prices and Price Dispersion?

Pedro Pereira

3: Multiplicity of Equilibria in Search Markets with Free Entry and Exit

Pedro Pereira

2: Some Implications of Search Costs for the Price Dynamics of Electronic Markets

Pedro Pereira

1: Should alternative mergers be considered by antitrust authorities?

Duarte Brito