Alessandro Pavan

Alessandro Pavan

Institution

Northwestern University

PhD Year

2001

Email

alepavan@northwestern.edu

FTG Membership

Fellow

Website

https://faculty.wcas.northwestern.edu/apa522/

Featured Work

(In)efficiency in Information Acquisition and Aggregation through Prices

Mar 6, 2026

Alessandro Pavan, Savitar Sundaresan, Xavier Vives

We study markets in which traders acquire private information before submitting their schedules. We characterize conditions under which traders over-invest (respectively, under-invest) in information and trade excessively (respectively, insufficiently) on their private signals. These inefficiencies arise from a novel interaction between learning and pecuniary externalities. We show that, generically, no policy based solely on equilibrium

prices and individual trade volumes can simultaneously implement efficiency in information...