This paper studies the global R&D effort to fight the deadliest diseases. We find:(1) the
elasticity of R&D effort with respect to market size is about 1/2 in the cross-section of …

We thank Ben Jones, Bhaven Sampat, Georg von Graevenitz, and Austan Goolsbee for
useful suggestions. For acknowledgments, sources of research support, and disclosure of …

How does public data shape the relative performance of incumbents and entrants in the
private sector? Using a simple theoretical framework, I argue that public data reduces …

For centuries, maps have codified the extent of human geographic knowledge and shaped
discovery and economic decision-making. Economists across many fields, including urban …

We investigate whether government data opening reduces corporate cash holdings. Using
the establishment of city-level open government data platforms in China as a quasi-natural …

Prior literature shows that stronger consumer demand leads to increased pharmaceutical
R&D. However, how strong these “demand‐pull” effects are for more scientifically novel drug …

This dissertation explores three questions at the intersection of health economics and the
economics of innovation. The first chapter of this dissertation explores how publicly available …