3 papers
econ.GN2026
Buy Now, Pay Later: Academic Insights and Open Policy Questions
Benedict Guttman-Kenney, Walter W. Zhang
Buy Now, Pay Later (BNPL) has moved from a novelty product to mainstream consumer finance in the space of a few years. Before 2020, BNPL was a niche offering at the checkouts of on…
econ.EM2026
Valuing Winners: When and How to Correct for Selection Bias in Randomized Experiments
Ron Berman, Walter W. Zhang, Hangcheng Zhao
Decision-makers often deploy the best-performing treatment from a randomized experiment, creating a winner's curse: selection favors treatments whose observed outcomes are high par…
econ.GN2025
Optimal Comprehensible Targeting
Walter W. Zhang
Developments in machine learning and big data allow firms to fully personalize and target their marketing mix. However, data and privacy regulations, such as those in the European…