New working paper is out: Generative AI and Firm Productivity: Field Experiments in Online Retail
The Cost of Banning TikTok: Implications for the Digital Advertising Market, is published in PNAS
"The End of Tourist Traps: The Impact of Review Platforms on Quality Upgrading" is published in Marketing ScienceÂ
"Lost in the Net? Broadband Internet and Youth Mental Health", is published in the Journal of Health Economics
I recently received research grants from the Russel Sage Foundation, CBS Digital Future Initiative, CBS Bernstein Center, and the Provost Office at Columbia for new research on user generated content and ad effectiveness