Recent years have seen growing cases of data-driven tech mergers such as Google/Fitbit, in which a dominant digital platform acquires a relatively small firm possessing a large volume of consumer data. The digital platform can consolidate the consumer data with its existing data set from other...

This study examines how consumers' personal data management affects firms' competition in the data collection and data application markets and welfare outcomes. Consumers purchase products from differentiated firms in two markets. Firms compete to collect consumer data first to predict their...

Recent years have seen growing cases of data-driven tech mergers such as Google/Fitbit, inwhich a dominant digital platform acquires a relatively small rm possessing a large volumeof consumer data. The digital platform can consolidate the consumer data with its existingdata set from other...

Privacy regulations like the General Data Protection Regulation aim to empower consumers with greater transparency and control over their personal data. In response, firms may exercise price discrimination in the form of versioning. This paper studies how these two aspects of privacy regulation...

This paper explores the impact of extremely hot days on firm-level exports at monthly frequency. We find robust evidence that firm-level exports decline gradually following a heat strike and do not recover within twenty-four months. Specifically, export losses are negligible in the first three...

The paper examines the non-linear relationship between weather and economic performance. Using within-county variation in weather between 1996 and 2012, we find both daily temperature and precipitation have asymmetric effects on economic performance. A day with temperatures over 20◦C...

This paper investigates optimal contracts between risk-neutral parties when both exert efforts and the agent faces limited liability. It is shown that a simple share-or-nothing with bonus contract (SonBo for short) is optimal and implements the second-best outcome, i.e., the best possible...