Here is the list of my published papers, working papers, and ongoing research projects.

Any feedback is strongly welcome! If you have comments and suggestions about my research, please don't hesitate to send them to these email addresses:



Publications in international peer-reviewed journals


Completed working papers

Work in progress

  • Selection and Sorting of Heterogenous Firms through the Procompetitive Effect (with K. Matsuyama)

  • Non-optimality of Monopolistic Competition with Nested CES (with K. Matsuyama)

  • On Optimality of Monopolistic Competition (with K. Matsuyama)

  • Genuinely representative consumers and self-similar Fisher markets (with F. Sandomirskiy)

  • The Network Origins of Entry Deterrence (with A. Campbell and Y. Zenou)

  • Location, Social Norms, and Recycling
    (with F. Iskhakov, E. Kyriakopoulou, and Y. Zenou)

  • Hipsters (with V. Boucher and Y. Zenou)

  • Optimal Network Design (with Y. Zenou)

  • How social interactions shape market demands (with Jacques Thisse)

  • A Bare-Bones Model of Urban Hierarchy: a Fourier-analysis-based Approach (with A. de Palma, Y. Papageorgiou, and J.-F. Thisse)

Publications in Russian

  • Ushchev, P. (2019). Internal city structure formation, in: Urban studies: economy, development, and management of cities, ed. L. Limonov: 170-250. (in Russian)

  • Ushchev, P., Sloev, I., and J.-F. Thisse (2014). Competition between small shops and a large shopping center. Journal of the New Economic Association 23(3): 12-37 (in Russian)

  • Molchanov, P., and P. Ushchev (2013). The impact of market size on multi-product firms' concentration in a monopolistic competition model. Mathematical Game Theory and Applications 5(3): 27-57. (in Russian)

  • Zhelobodko, E., Kichko, S., and P. Ushchev (2013). Factor endowments and market integration in a two-factor monopolistic competition model. Spatial Economics 3: 10-29. (in Russian)