Given the infinite variety of risks throughout history, it is perhaps unsurprising that insurance - the world's primary risk mitigation industry - developed a wide range of organisational forms by which it was delivered. Yet we know little about how and why different forms were chosen in the...

Climate change is real and dangerous. Exactly how bad it will get, however, is uncertain. Uncertainty is particularly relevant for estimates of one of the key parameters: equilibrium climate sensitivity—how eventual temperatures will react as atmospheric carbon dioxide concentrations double....