This paper studies optimal financial policy in a world where the financial sector can become excessively optimistic. I decompose the welfare effects of bank capital regulation to demonstrate the effects of exuberance and its interaction with incentive problems in banking. The optimal policy...

This paper studies optimal second-best corrective regulation, when some agents/activities cannot be perfectly regulated. We show that policy elasticities and Pigouvian wedges are sufficient statistics to characterize the marginal welfare impact of regulatory policies in a large class of...

This paper studies optimal second-best corrective regulation, when some agents/activities cannot be perfectly regulated. We show that policy elasticities and Pigouvian wedges are sufficient statistics to characterize the marginal welfare impact of regulatory policies in a large class of...

We document simultaneous over- and under-responses to new information by households, firms, and professional forecasters in survey data. Such behavior is inconsistent with existing theories based on either behavioral bias or rational inattention. We develop a structural model of information...

We scrape a comprehensive set of US firms’ privacy policies, and study them alongside firms' web data extraction behaviour. We find considerable and systematic variation in privacy policies along multiple dimensions including ease of access, length, readability, and clarity, both within and...

This paper studies the links between financial stability and the architecture of financial systems. We review the existing literature and provide organizing frameworks for analyzing three empirically important aspects of financial architecture: The rise of non-bank financial intermediaries, the...