Professor of Finance
WORKING PAPERS
R&R at The Quarterly Journal of Economics (with Paul Gertler and Catherine Wolfram)
A new form of lending using digital collateral has recently emerged, most prominently in low and middle income countries. Digital collateral relies on ``lockout" technology, which allows the lender to temporarily disable the flow value of the collateral to the borrower without physically repossessing it. We explore the effect of this new form of credit both in a model and in a field experiment [Slides] [NBER Working Paper] [NBER Digest] [VoxDev]
R&R at AEJ Microeconomics (with Dong Wei)
Price discrimination and information discrimination are compliments; allowing for one activates a role for the other. The optimal mechanism features both: buyers with higher private values face lower prices and observe a positive signal about product quality more frequently. [Slides]