Energy Efficiency Gives Us Money to Burn

Tim Harford: The broadest version of the Jevons paradox is that energy efficiency, in a very general sense, makes economic growth possible, and this in turn creates new demands for energy that swamp the initial energy saving. This claim – sometimes called the Khazzoom-Brookes postulate – is hard to evaluate. In the UK, energy consumption per person is at its lowest level for 50 years, which is a mark against Khazzoom-Brookes...