Digital Economics and AI Meeting
Organized by Daniel Björkegren, Avi Goldfarb, and Catherine Tucker
Supported by the Alfred P. Sloan Foundation
February 13, 2025
SIEPR, Stanford University, 366 Galvez Street, Stanford University, Stanford, CA
Format: 20 minutes for the authors, 10 minutes for the discussants, 10 minutes for general Q&A
Thursday, February 13
8:15 am
Continental Breakfast
8:50 am
Introductions
9:00 am

Cloze Encounters: The Impact of Pirated Data Access on LLM Performance

Stella Jia, University of California, Berkeley
Abhishek Nagaraj, University of California, Berkeley and NBER

Discussant:
Mark Lemley, Stanford University
9:40 am

Data Sharing and Website Competition: The Role of “Dark Patterns”

Tesary Lin, Boston University
Andrey Fradkin, Boston University
Chiara Farronato, Harvard University and NBER

Discussant:
Pinar Yildirim, University of Pennsylvania and NBER
10:20 am
Break
10:40 am

Monopsony Power in the Gig Economy

Jack W. Fisher, University of Virginia

Discussant:
Sydnee Caldwell, University of California, Berkeley and NBER
11:20 am

Algorithmic Collusion by Large Language Models

Sara Fish, Harvard University
Yannai A. Gonczarowski, Harvard University
Ran Shorrer, Pennsylvania State University

Discussant:
Alexander MacKay, University of Virginia
12:00 pm
Lunch
1:00 pm

Personalization, Engagement, and Content Quality on Social Media: An Evaluation of Reddit’s News Feed

Alex Moehring, Purdue University

Discussant:
Lena Song, University of Illinois Urbana-Champaign
1:40 pm

When Peers Matter More: The Dominance of Social Influence Over Algorithm Accuracy in Patient Decision Making

Wei Gu, University of Science and Technology Beijing
Lauren Xiaoyuan Lu, Dartmouth College
Susan Lu, University of Toronto
Shujing Sun, University of Texas at Dallas

Discussant:
Benjamin R. Handel, University of California, Berkeley and NBER
2:20 pm
Break
2:40 pm

The Consumer Welfare Effects of Online Ads: Evidence from a 9-Year Experiment

Erik Brynjolfsson, Stanford University and NBER
Avinash Collis, Carnegie Mellon University
Daniel Deisenroth, Meta Platforms, Inc
Haritz Garro, Facebook
Daley Kutzman, Meta Platforms, Inc
Asad Liaqat, Meta Platforms, Inc
Nils Wernerfelt, Northwestern University

Discussant:
Hunt Allcott, Stanford University and NBER
3:20 pm

Large Language Models: An Applied Econometric Framework

Jens Ludwig, University of Chicago and NBER
Sendhil Mullainathan, Massachusetts Institute of Technology and NBER
Ashesh Rambachan, Massachusetts Institute of Technology

Discussant:
Jann Spiess, Stanford University
4:00 pm
Adjourn
6:00 pm
Group Dinner - Il Fornaio Restaurant, 520 Cowper Street (at the Garden Court Hotel) Palo Alto