Assistant Professor, The Johns Hopkins Carey Business School

Assistant Professor, Department of Economics, The Johns Hopkins University (courtesy)

Research interests: Economic Theory, Social Networks, Trust and Cooperation, Influence, Social Media, Privacy...

E-mail: i.p.fainmesser [at] gmail [dot] com



From the HUB on my work with Andrea Galeotti on The Market for Influence:


I'm co-organizing (with Chen Cheng, Marcelo Fernandez, and Yiqing Xing) the 3rd Conference on Social and Political Economics. This year's conference will be on Hopkins' Homewood Campus on May 3-4 and will be titled (De)centralization and Incentives. The program and free registration are here.

Econ conference 11 x 17 poster March 22.pdf


In a new paper, joint with Dominique Lauga and Elie Ofek, we study a model of Ratings, Reviews, and the Marketing of New Products. We show that whether consumers share just ratings or full reviews online has implications to the firm's pricing and advertising efforts, and affects profits and welfare.


In a recent paper, joint with Andrea Galeotti, we develop a model of The Market for Influence and study the growing practice of Influencer Marketing. The paper was covered by Changing Business Magazine and by the London Business School Review. Here's a trailer: