Hello, I am

Rui Dai

Senior Research Support Director

Wharton Research Data Services (WRDS)

The Wharton School, University of Pennsylvania

Office Phone: +1(215)7464612 | Email: rdai@wharton.upenn.edu 

3819 Chestnut Street Philadelphia PA, 19104

Adjunct Research Professor

Chinese University of Hong Kong, Shenzhen

Curriculum Vitae | Google Scholar  | LinkedIn

My teaching note is [here] and GitHub Page is [here]

Working Papers

Market Efficiency in the Age of Machine Learning, with Leonidas Barbopoulos, Tālis Putniņš,  and Anthony Saunders

Outsourcing Climate Change with Rui Duan, Hao Liang and Lilian Ng

Do Environmental Regulations Do More Harm Than Good? Evidence from Competition and Innovation with Rui Duan, and Lilian Ng

Withholding Bad News When Competing Peers Have Common Customers with Rui Duan, and Lilian Ng


Global Zombies, with Altman and Wang, Journal of International Business Studies, Accepted

Global Supply Chains and Voluntary Disclosure  with Dai,  Ng and Peng, Journal of Business Finance & Accounting, Accepted

Dissemination, Publication, and Impact of Finance Research: When Novelty Meets Conventionality, with Donohue, Drechsler, and Jiang, Review of Finance, Volume 27, Issue 1, February 2023, Pages 79–141

Short Sellers' Attention with Ng, and Zaiats, Journal of Corporate Finance, Volume 72, February 2022

Socially Responsible Corporate Customers with Liang and Ng, Journal of Financial Economics, Volume 142, Issue 2, November 2021

International Lending: The Role of Lender’s Home Country with Beyhaghi, Saunders and Wald, Journal of Money, Credit and Banking, Volume 53, September 2021

Do Short Sellers Anticipate Late Filings? with Li, Zaiats and Zhao, Journal of Corporate Finance, Volume 69, August 2021

Hedge Funds in M&A Deals: Is There Exploitation of Private Information? with Massoud, Nandy and Saunders, Journal of Corporate Finance, Volume 47, December 2017

Other Publications

Form 10-Q Itemization, with Zhang, Du, Sun, Donohue, in Proceedings of the 30th ACM International Conference on Information and Knowledge Management (2021)