Scrapping subsidies were a popular policy to protect car sales in the beginning of the crisis. This column presents new research showing that the subsidies had a strong effect on stabilising sales, but only a small environmental impact. There may thus be more productive investments to stabilise the economy during times of crisis.
In recent years, European coal consumption has increased, while natural gas consumption has declined – despite Europe’s commitment to reduce greenhouse-gas emissions. This perverse scenario is partly attributable to EU policies. Subsidies to renewables and energy efficiency targets have the unfortunate side effect of lowering carbon prices, thus partially offsetting their environmental benefits. Raising the EU carbon price would be preferable to employing multiple policy instruments, since it would minimise distortions in energy markets, achieve cost efficiency, and raise fiscal revenues.
Efficiency standards appear to be at the centre of US climate policy. But is this policy effective? This column argues that, thinking laterally, evidence suggests that there are reasons to be suspicious. If the US is to focus so heavily on energy efficiency, we ought to have a better understanding of its effectiveness.
Uncertainty is intrinsic in climate-change economics. This column argues that it’s here to stay. There will be no accurate predictive tool for predicting economic growth, the emergence of clean-energy technology, or economic vulnerability in light of climate change in the near future. But this is not an excuse not to think about climate economics. Research and policy would do well to be more explicit about what we don’t know. We should avoid subjective guesses, and focus more on credible forecasts from empirically sound, if uncertain, models.
Global climate cooperation has collapsed but the need for action has not disappeared. This column argues that only radical technological progress can reconcile climate-change goals with development. It argues that four changes in WTO trade rules could facilitate climate-change action and technological advances without unduly damaging trade.
Other Recent Articles:
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Adelman, 28 October 2013
Reichlin, Giugliano, 7 November 2013
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CEPR Policy Research
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- What’s wrong with Europe?Baldini, Manasse
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