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Heski Bar-Isaac on Muck Rack

Heski Bar-Isaac

As seen in: The Conversation, The Toronto Star, Yahoo Sports Canada, PYMNTS, The Centre for Economic Policy Research (CEPR), Vancouver is Awesome, Winnipeg Free Press, St. Catharines Standard, North Shore News, Niagara Falls Review and
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Articles

DP21974 Antitrust and Platforms: From of to in

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By Heski Bar-Isaac
| The Centre for Economic Policy Research (CEPR)
English Français Deutsch Italiano 中文 More Español Ελληνικά 日本語 Português Türkçe This essay argues that the antitrust economics of platforms has moved from asking how platforms compete with one another to asking how competition is organised inside platforms. The older questions about pricing, network effects, tipping, and multi-homing remain necessary but new questions arise.
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Posts from: Joel Shapiro

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By Joel Shapiro, Heski Bar-Isaac, R. Christopher Small
| HLS Forum on Corporate Governance
Posted by Ehsan Azarmsa (University of Illinois Chicago) and Joel Shapiro (University of Oxford), on Wednesday, September 9, 2026 Ehsan Azarmsa is an Assistant Professor at the University of Illinois Chicago (UIC) College of Business Administration and Joel Shapiro is a Professor at the University of Oxford Saïd Business School. This post is based on their recent article, forthcoming in the Journal of Finance. ESG ratings have become an important input into investment decisions.
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Anticompetitive Effects of Acquihires: Labor and Product Markets

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By Heski Bar-Isaac, Justin Johnson, Volker Nocke
| PYMNTS Verified
Acquihires and “reverse acquihires” allow large technology firms to secure key employees and intellectual property, but they also raise important labor- and product-market concerns. A central puzzle is why acquirers transfer large payments to startup investors rather than simply offering higher wages to workers. We show that such payments can increase monopsony power by eliminating the workers’ main alternative employer, making it cheaper to buy out investors than to compete for talent dir ...
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