Oil-Driven Greenium Abstract As climate attention grows, many argue that investors discipline carbon-intensive firms by increasing their costs of capital, creating a “greenium” favoring green firms. We challenge this view, demonstrating that the observed greenium variation is largely driven by oil demand fluctuations, which boost product prices and growth options Read more…

LEARNING TO QUIT? A MULTI-YEAR FIELD EXPERIMENT WITH INNOVATION DRIVEN ENTREPRENEURS We use a randomized experiment with 553 science- and technology-based startups in 12 coworking spaces across the US to evaluate the effects of intensive, short-term entrepreneurial training programs similar to that offered by accelerator programs and executive education programs Read more…

A Market-based Measure of Climate Risk for Cities Abstract We use information from financial markets to construct a comprehensive measure of cities’ economic exposure to climate-related risks. Studying a large sample of municipal bonds issued by U.S. cities, we document substantial variation in how municipal bond prices respond to innovations Read more…