The Role of Political Uncertainty in Climate-Related Disaster Impacts on Financial Markets

Richard Paul Gregory ()
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Richard Paul Gregory: Department of Economics and Finance, East Tennessee State University, Johnson City, TN 37614, USA

JRFM, 2024, vol. 17, issue 7, 1-27

Abstract: This research presents a new model for analyzing the effects of government policies on climatic disasters on financial markets. Using Fama–MacBeth rolling regressions and the construction of model-proposed risk factors, three major risk factors are found to be significant in explaining stock returns. First, there is the risk of climate disasters. Second, there is the risk of uncertainty regarding government actions. Third, there is the risk of government response to climatic disasters. Through the increase in the cost of capital from climate disasters and the uncertainty of government response, the future cost of capital is higher, leading to less investment and lower productivity. However, the government’s actions to compensate for losses due to climate damage help offset the damages from disasters. This implies that the previous estimates of economic damages due to climate risk have been underestimated. This work adds to the literature by providing a fuller estimate of the economic implications of climate change.

Keywords: climate risk; political risk; disasters (search for similar items in EconPapers)
JEL-codes: C E F2 F3 G (search for similar items in EconPapers)
Date: 2024
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