Reacción a "A small share of climate policies significantly reduced emissions"

The press release reflects well the content of the article. The study represents an interesting analysis of the OECD's ‘climate’ policy database and gives some very general indications of the apparent impact of these, including some combinations and some differences between developed and non-developed countries.

Its results should be treated with caution. The political and regulatory contexts of different countries may differ greatly in the impact of particular policies, so it is not generalisable which policies are best. Establishing the causality and intentionality of a measure is not easy given that some measures are highly interdependent and that sometimes the impacts are not due to the measures but to other causes (e.g. geopolitical phenomena that may affect fuel prices).