Does the sunk cost fallacy affect decision-makers in high-stakes situations? We develop a behavioral model of usage of a durable good with mental accounting for sunk costs. It predicts that usage increases in the sunk cost, and attenuates with time at a rate that increases in the sunk cost. The...

This chapter reviews economic analyses of privacy. We begin by scrutinizing the "free market" critique of privacy regulation. Welfare may be non-monotone in the quantity of information, hence there may be excessive incentive to collect information. This result applies to both non-productive and...

We adapt the event study methodology from research in financial economics to study the impact of government enforcement and economic opportunities on information security attacks. We found limited evidence that domestic enforcement deters attacks within the country. However, we found compelling...