Enthusiasm for 'greening the financial system' is welcome, but a fundamental challenge remains: financial decision makers lack the necessary information. It is not enough to know that climate change is bad. Markets need credible, digestible information on how climate change translates into...

Using a unique hand collected sample of professional connections between finance ministers and the directors and top executives of the three largest credit rating agencies for 38 European sovereigns between January 2000 and November 2017, we show that professional connections result in higher...