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Marshall Van Alstyne
Toulouse, janvier 2026, Toulouse
Flavio Pino
Simon P. Anderson
Kevin Ducbao Tran
Xintong Han
Perrin Lefebvre et David Martimort
n° 26-1706, janvier 2026
This paper develops a model of niche lobbying in which interest groups endogenously specialize in the acquisition of distinct types of policy-relevant information. Contrary to the view that niche strategies are chosen to soften competition and secure autonomy, we show that specialization arises as...
Louise Guillouet et David Martimort
n° 26-1705, janvier 2026
David Martimort et Aggey Simons (Semenov)
n° 26-1704, janvier 2026
We study a repeated buyer-seller relationship with persistent adverse selection and one-sided enforcement, where a prepaid seller can breach by taking the money and running. The optimal stationary contract depends on enforcement strength and the discount factor. Three regimes arise. With a strong...
David Bardey, Philippe De Donder et Marie-Louise Leroux
janvier 2026, à paraître
We study a situation where physicians differing in their degree of altruism exert a diagnostic effort before deciding whether to test patients to determine the most appropriate treatment. The diagnostic effort generates an imperfect private signal of the patient’s type, while the test is perfect....
Simon Fan, Yu Pang et Pierre Pestieau
janvier 2026, 32 pages
This paper analyzes the effect of longevity on parenting choices from a life course perspective. We develop an overlapping generations model to address a core tradeoff that young parents face when investing in their children’s human capital. They can choose a low-time-cost demanding strategy that...
