Mengjia Ren, Lee Branstetter, Brian Kovak, Daniel Armanios, Jiahai Yuan, 16 March 2019

Despite leading the world in clean energy investment in recent years, China continues to engage in massive expansion of coal power thanks to policies that effectively subsidise and (over)incentivise coal power investment. This column examines the effects of the 2014 devolution of authority from the central government to local governments on approvals for coal power projects. It finds that the approval rate for coal power projects is about three times higher when the approval authority is decentralised, and provinces with larger coal industries tend to approve more coal power.

Philipp-Bastian Brutscher, Pauline Ravillard, 14 February 2019

Promoting investment in energy efficiency has become increasingly important over the past decade, but not much is known about effective ways to promote firm-level investments in energy efficiency. Using new experimental data on EU firms’ stated willingness to invest in hypothetical energy-efficiency projects with varying offers of financing and technical assistance, this column demonstrates how a favourable financing offer can increase the likelihood that firms are willing to invest in energy efficiency by as much as 33%. 

Lucas Davis, Catherine Hausman, 18 January 2019

Rises and falls in oil prices impact the macroeconomy, the stock market, investment, and of course the value of oil and gas firms. What happens to the fortunes of the leaders of those oil and gas firms? This column argues that the compensation of US oil and gas executives is closely tied to oil prices – much more closely than economic theory would predict. Theory says that executives should be rewarded for the value they bring to a firm, and that they should be incentivised to take the best actions on behalf of the firm. With billions of dollars at stake each year, boards and shareholders may want to revisit how compensation is structured at these firms.

David Hendry, 12 December 2018

The Industrial Revolution has been of vast benefit to humanity, but it came at the cost of a global explosion in anthropogenic emissions of greenhouse gases. The UK was the first country into the Industrial Revolution. Now it is one of the first countries heading out, with annual CO2 emissions per capita back below the levels of the 1860s. This column presents an econometric model of UK emissions over the last 150 years to establish what has driven them down and reveal the impacts of important policies, especially the Climate Change Act of 2008. Even so, large reductions in all the UK’s CO2 sources are still required to meet its 2050 target of an 80% reduction from 1970 levels.

Justin Caron, Thibault Fally, 01 December 2018

With global emissions of CO2 still growing, understanding the determinants behind energy use and emissions is as relevant as ever. This column looks at the role of per capita income and consumption choices. It finds that the share of expenditures spent on energy and energy-intensive goods tends to decrease with income across a large set of countries. Simulations indicate that income growth shifts consumption patterns in a way which generally reduces emissions. However, increasing emissions in low- and middle-income countries as well as a shift from direct to indirect consumption of energy mean that the effect on total world emissions is modest.

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