VoxEU.org: Recent Articles

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Rising temperatures, melting ratings Posted: Enthusiasm for 'greening the financial system' is welcome, but does the explosion of 'green' finance indicators reflect the science? This column reports research that uses artificial intelligence to construct the world's first 'climate smart' sovereign credit rating. The results warn of climate-driven downgrades as early as 2030.

How the economic effects of COVID-19 lockdowns in different regions interact through supply chains Posted: The economic benefit from lifting lockdowns may depend significantly on the lockdown strategies of other regions and countries due to supply chain links. This column analyses the importance of supply chain links in this context by conducting a simulation analysis applying rich firm-level data from Japan to an agent-based model of production. It finds that the production of two regions can attain greater recovery by lifting their lockdowns together when they are closely linked through supply chains in either direction. These results point to the need for policy coordination among regions when regional governments impose or lift lockdowns.

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