A Ratio for the Relative Climate Change Impact of an Economic Activity

3 Pages Posted: 1 Apr 2019

Date Written: March 7, 2019


I propose a ratio for assessing the climate change impact of an economic activity as a function of global greenhouse gas emissions and annual gross world product. To construct a simple example, I consider only CO2 emissions and use the purchase and combustion of gasoline. I show that it has a ratio of 8.82:1 in the United States as of March 6, 2019 at a national average price of $2.44 per gallon. This means that in consideration of the direct impacts of gasoline’s combustion alone, gasoline would have to cost $21.50 per gallon in order to achieve a 1:1 ratio. Other applications of the ratio and its impact are discussed.

Keywords: climate change, CO2, greenhouse gas emissions, economics, fossil fuels, relative harm, carbon taxes

JEL Classification: Q54

Suggested Citation

Thripp, Richard, A Ratio for the Relative Climate Change Impact of an Economic Activity (March 7, 2019). Available at SSRN: https://ssrn.com/abstract=3348236 or http://dx.doi.org/10.2139/ssrn.3348236

Richard Thripp (Contact Author)

University of Central Florida

4000 Central Florida Blvd
Orlando, FL 32816
United States

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