Competitive Effects of Mergers and of Spectrum Divestment Remedies in Mobile Telecommunication Markets
Duarte Brito, Helder Vasconcelos
Telecommunications Policy, vol. 47, 2023, p. .

Modelling the Objective Function of Managers in the Presence of Overlapping Shareholding
Duarte Brito, Einer Elhauge, Ricardo Ribeiro, Helder Vasconcelos
International Journal of Industrial Organization, vol. 87, 2023, p. .

Should Vertically Integrated Platforms Be Mandated to Share Information with Their Rivals?
Jorge Padilla, Salvatore Piccolo, Helder Vasconcelos
Economics Letters, vol. 203, 2021, p. .

Overlapping ownership, endogenous quality, and welfare
Duarte Brito, Ricardo Ribeiro, Helder Vasconcelos
Economics Letters, vol. 190, 2020, p. .

Can Partial Horizontal Ownership Lessen Competition More Than a Monopoly?
Duarte Brito, Ricardo Ribeiro, Helder Vasconcelos
Economics Letters, vol. 176, 2019, p. 90-95.

Input Price Discrimination in the Presence of Downstream Vertical Differentiation
Duarte Brito, Markos Tselekounis, Helder Vasconcelos
Economics Letters, vol. 184, 2019, p. .

Quantifying the Coordinated Effects of Partial Horizontal Acquisitions
Duarte Brito, Ricardo Ribeiro, Helder Vasconcelos
European Economic Review, vol. 110, 2018, p. 108-149.

Unilateral Effects Screens for Partial Horizontal Acquisitions: The Generalized HHI and GUPPI
Duarte Brito, António Osório, Ricardo Ribeiro, Helder Vasconcelos
International Journal of Industrial Organization, vol. 59, 2018, p. 127-189.

Welfare Decreasing Endogenous Mergers between Producers of Complementary Goods
Pedro Pita Barros, Duarte Brito, Helder Vasconcelos
International Journal of Industrial Organization, vol. 60, 2018, p. 54-95.

Analysis of Consumer Preferences for Mobile Telecom Plans Using a Discrete Choice Experiment
João Confraria, Tiago Ribeiro, Helder Vasconcelos
Telecommunications Policy, vol. 41, 2017, p. 157-169.

Why Entrepreneurs Choose Risky R&D Projects--But Still Not Risky Enough
Erika Farnstrand Damsgaard , Per Hjertstrand, Pehr-Johan NorbackPehr-Johan Norback, Helder Vasconcelos
Economic Journal, vol. 127, 2017, p. F164-99.

Sustaining Collusion in Markets with Entry Driven by Balanced Growth
João Correia da Silva, Joana Pinho, Helder Vasconcelos
Journal Of Economics (Zeitschrift Fur Nationalokonomie), vol. 118, 2016, p. 1-34.

Exclusionary Pricing in Markets with Interdependent Demands
Helder Vasconcelos
Economics Letters, vol. 134, 2015, p. 24-28.

Interfirm Bundling and Vertical Product Differentiation
Duarte Brito, Helder Vasconcelos
Scandinavian Journal Of Economics, vol. 117, 2015, p. 1-27.

Is Exclusionary Pricing Anticompetitive in Two-Sided Markets?
Helder Vasconcelos
International Journal of Industrial Organization, vol. 40, 2015, p. 1-10.

Price Discrimination under Customer Recognition and Mergers
Rosa Branca Esteves, Helder Vasconcelos
Journal of Economics and Management Strategy, vol. 24, 2015, p. 523-549.

Reference Pricing in the Presence of Pseudo-generics
Ricardo Gonçalves, Vasco Rodrigues, Helder Vasconcelos
International Journal of Health Economics & Management, vol. 15, 2015, p. 281-305.

Anti-competitive Impact of Pseudo-generics
Vasco Rodrigues, Ricardo Gonçalves, Helder Vasconcelos
Journal of Industry, Competition and Trade, vol. 14, 2014, p. 83-98.

Bundled Discounts: Strategic Substitutes or Complements?
Duarte Brito, Helder Vasconcelos
Economics Letters, vol. 124, 2014, p. 278-282.

Divesting Ownership in a Rival
Duarte Brito, Luis Cabral, Helder Vasconcelos
International Journal of Industrial Organization, vol. 34, 2014, p. 9-24.

Measuring Unilateral Effects in Partial Horizontal Acquisition
Duarte Brito, Ricardo Ribeiro, Helder Vasconcelos
International Journal of Industrial Organization, vol. 33, 2014, p. 22-36.

Can the Failing Firm Defence Rule Be Counterproductive?
Helder Vasconcelos
Oxford Economic Papers, vol. 65, 2013, p. 567-593.

Consumer-Surplus-Enhancing Collusion and Trade
Helder Vasconcelos, George Deltas, Alberto Salvo
Rand Journal of Economics, vol. 43, 2012, p. 315-328.

Endogenous Mergers and Collusion in Asymmetric Market Structures
Helder Vasconcelos, Mattias Ganslandt, Lars Persson
Economica, vol. 79, 2012, p. 766-791.

Vertical Integration and Right of First Refusal
Luis Cabral, Helder Vasconcelos
Economics Letters, vol. 113, 2011, p. 50-53.

Efficiency Gains and Structural Remedies in Merger Control
Helder Vasconcelos
Journal of Industrial Economics, vol. 58, 2010, p. 742-766.

Sequential Cross-Border Mergers
Eileen Fumagalli, Helder Vasconcelos
International Journal of Industrial Organization, vol. 27, 2009, p. 175-187.

Sustaining Collusion in Growing Markets
Helder Vasconcelos
Journal of Economics and Management Strategy, vol. 17, 2008, p. 973-1010.

Merger Remedies in the European Union: An Overview
Massimo Motta, Michele Polo, Helder Vasconcelos
Antitrust Bulletin, vol. 52, 2007, p. 603-631.

Endogenous Mergers in Endogenous Sunk Cost Industries
Helder Vasconcelos
International Journal of Industrial Organization, vol. 24, 2006, p. 227-250.

Efficiency Gains and Myopic Antitrust Authority in a Dynamic Merger Game
Massimo Motta, Helder Vasconcelos
International Journal of Industrial Organization, vol. 23, 2005, p. 777-801.

Tacit Collusion, Cost Asymmetries, and Mergers
Helder Vasconcelos
Rand Journal of Economics, vol. 36, 2005, p. 39-62.

Entry Effects on Cartel Stability and the Joint Executive Committee
Helder Vasconcelos
Review of Industrial Organization, vol. 24, 2004, p. 219-241.