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Journal Article
The Bell Curve of Global CO2 Emission Intensity
Countries’ commitments to reduce carbon dioxide (CO2) emissions can have important implications for their economies. Data since the 1800s reveal that the amount of CO2 emissions generated for a given level of output follows a bell-shaped curve. Pairing this with projections of future economic growth can help in predicting future overall emissions. Comparing actual data with past projections for levels of emission intensity reveals that reductions have been slower than predicted over the past 40 years. This divergence highlights the challenges many countries may face in reaching their ...
Journal Article
COVID-19 and CO2
One potential side effect from the rapid decline of global economic activity since the worldwide pandemic is a reduction in carbon dioxide emissions. Historically, CO2 emissions rise and fall in tandem with economic activity in the short run. Since the industries most affected by the downturn also produce the most CO2, emissions could drop more than output this time around. However, without substantial and sustained changes in energy sources and efficiency, the concentration of CO2 in the atmosphere—the relevant factor causing climate change—will continue on its upward trajectory.
Report
The Role of Uncertainty and Risk in Climate Change Economics
This chapter is an introductory essay to the volume Climate Change Economics: The Role of Uncertainty and Risk, edited by V. V. Chari and Robert Litterman. This volume consists of a collection of papers that were presented at "The Next Generation of Economic Models of Climate Change," a conference hosted by the Heller-Hurwicz Economics Institute at the University of Minnesota.
Newsletter
A new framework for assessing climate change risk in financial markets
While there is growing recognition that climate change poses a new risk for the economy, more research is needed to understand how climate change risk affects global financial markets. We establish a new framework for this research by merging the climate change risk categories of physical risk, transition risk, and liability risk with the risk categories commonly assessed in the financial markets: market risk, credit risk, liquidity risk, and operational risk. We then factor in market structure and market regulation as we seek to assess the overall impact of these variables on systemic risk. ...