Published:

Collusion in Quality-Segmented Markets (2022), Journal of Public Economic Theory, 24(2), 293-323 (joint with Marco Marini).

Cartel Formation with Quality Differentiation (2020), Mathematical Social Sciences, 106, 36-50 (joint with Marco Marini and Riccardo Saulle).

Cartel Stability under Quality Differentiation (2019), Economics Letters, 174, 70-73 (joint with Marco Marini) (online Appendix).

Competition versus Collusion: The Impact of Consumer Inertia (2017), International Journal of Economic Theory, 13(4), 387-400 (joint with Ronald Peeters and Erik Pot).

Collusion in a Price-Quantity Oligopoly (2017), International Journal of Industrial Organization, 50, 159-185 (joint with Anita van den Berg).

On the Possibility of Welfare-Enhancing Hard Core Cartels (2012), Journal of Economics, 107, 199-216 (joint with Erik Pot).

Endogenous Cartel Formation with Heterogeneous Firms (2010), RAND Journal of Economics, 41(1), 92-117 (joint with Joe Harrington).