NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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Charles A Taylor

Columbia University

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Institutional Affiliation: Columbia University

NBER Working Papers and Publications

February 2019Market Expectations About Climate Change
with Wolfram Schlenker: w25554
An emerging literature examines how agents update their beliefs about climate change. Most studies have relied on indirect belief measures or opinion polls. We analyze a direct measure: prices of financial products whose payouts are tied to future weather outcomes. We compare these market expectations to climate model output for the years 2002 to 2018 as well as observed weather station data across eight cities in the US. All datasets show statistically significant and comparable warming trends. Nonparametric estimates suggest that trends in weather markets follow climate model predictions and are not based on shorter-term variation in observed weather station data. When money is at stake, agents are accurately anticipating warming trends in line with the scientific consensus of climate mo...
 
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