We introduce a method that identifies firm-level climate change exposure from conversations in the earnings conference calls of more than 10,000 firms from 34 countries between 2002 and 2019. The method adapts a machine learning keyword discovery algorithm and captures exposures related to...

We estimate the risk premium for firm-level climate change exposure from 2003 to 2019. Exposure is constructed from discussions of climate-related risks and opportunities in earnings calls. When extracted from realized returns, the unconditional risk premium is zero. This insignificant overall...