Media Economics

• "Opinion Dynamics via Search Engines (and Other Algorithmic Gatekeepers)" (with Francesco Sobbrio) Journal of Public Economics, 187, 104188, 2020.
• "Time Scarcity and the Market for News" (with Larbi Alaoui) Journal of Economic Behavior & Organization, 174, 173-19, 2020.
• "The Few-Get-Richer: A Surprising Consequence of Popularity-Based Rankings?" (with Vicenç Gómez and Gaël Le Mens) WWW'19: The World Wide Web Conference, 2764-2770, 2019.
• "Concentration and Self-Censorship in Commercial Media" (with Martin Meier) Journal of Public Economics, 97, 117-130, 2013.
• "What Do the Papers Sell? A Model of Advertising and Media Bias" (with Matthew Ellman) Economic Journal, 119, 680-704, 2009.

Other:

• "Media Failures and Media Markets" Els Opuscles del CREI, No. 43, January 2017.
• "Biaixos Informatius I Mercats dels Mitjans de Comunicació" Els Opuscles del CREI, No. 43, January 2017.
• "Regulating for an Independent Media: The Problems of Political and Commercial Bias" (with Matthew Ellman) VoxEU, September 2009.
• "On Commercial Media Bias" UPF WP 1133, 2008. [Quote: “Papa, what is the moon supposed to advertise?” Carl Sandburg, THE PEOPLE, YES, 1936]

Game Theory and Bounded Rationality

• "Uncertain Rationality, Depth of Reasoning and Robustness in Games with Incomplete Information" (with Jonathan Weinstein and Peio Zuazo-Garin) Theoretical Economics, 15(1), 89-122, 2020.
• "Bounded Rationality and Correlated Equilibria" (with Peio Zuazo-Garin) International Journal of Game Theory, 46(3), 595-629, 2017.
• "Global Nash Convergence of Foster and Young’s Regret Testing" (with Gábor Lugosi) Games and Economic Behavior, 60, 135-154, 2007.
• "Stochastic Evolution of Rules for Playing Finite Normal Form Games" Theory and Decision, 62, 311-333, 2007.
• "Existence of Sparsely Supported Correlated Equilibria" (with Gábor Lugosi) Economic Theory, 32, 575-578, 2007.
• "On Some Geometry and Equivalence Classes of Normal Form Games" International Journal of Game Theory, 34, 561-581, 2006.
• "On (Un)Knots and Dynamics in Games" (with Stefano Demichelis) Games and Economic Behavior, 41, 46-60, 2002.
• "On the Indices of Zeros of Nash Fields" (with Stefano Demichelis) Journal of Economic Theory, 94, 192-217, 2000.

Other:

• "Approximate Knowledge of Rationality and Correlated Equilibria" (with Peio Zuazo-Garin) UPF WP 1326, 2012 (also Center for the Study of Rationality DP 610, Hebrew University, Jerusalem, 2012)
• "Quotient Spaces of Boundedly Rational Types" (with Davide Cianciaruso) UPF WP 1287, 2011 (revised 2012) (also CEM-EMS DP 1539, Kellogg, Northwestern University)
• "On Boundedly Rational Rules for Playing Normal Form Games" (2006) in: R. Topol and B. Walliser (eds.) Cognitive Economics: New Trends, Contributions to Economic Analysis, Elsevier, 2006.
• "On Nash Equivalence Classes of Generic Normal Form Games" CORE DP 9833, 1998.

Social Inequality and Cooperation

• "Entropy, Directionality Theory and the Evolution of Income Inequality" Journal of Economic Behavior and Organization, 198, 15-43, 2022.

Microeconomics and Economic Theory

• "Ascending Auctions for Multiple Objects: The Case for the Japanese Design" (with Gian Luigi Albano and Stefano Lovo) Economic Theory, 28, 331-355, 2006.
• "Retaliatory Equilibria in a Japanese Ascending Auction for Multiple Objects" (with Gian Luigi Albano and Stefano Lovo) Review of Economic Design, 10, 1-8, 2006.
• "Bertrand-Edgeworth Equilibria in Finite Exchange Economies" Journal of Mathematical Economics, 39, 677-692, 2003.
• "A Comparison of Standard Multi-Unit Auctions with Synergies" (with Gian Luigi Albano and Stefano Lovo) Economics Letters, 71, 55-60, 2001.
• "Some Consequences of the Unknottedness of the Walras Correspondence" (with Stefano Demichelis) Journal of Mathematical Economics, 34, 537-545, 2000.

Other:

• "On Some Collusive and Signaling Equilibria in Ascending Auctions for Multiple Objects" (with Gian Luigi Albano and Stefano Lovo) UCL/ELSE WP 2002.
• "On the Indices of Zeros of Nash Fields: Extensions and Applications" (with Stefano Demichelis) CORE DP 2000/17, 2000.