Fig. 3: Intertemporal choice.
From: Lack of harmonisation of greenhouse gases reporting standards and the methane emissions gap
a, d and (c, f) show the number of companies adopting a different emission metric (left y-axis) compared to the previous year’s choice of Assessment Report, excluding companies adopting the counterfactual (the most recent GWP100and GWP20in (a, c and d, f respectively). The dark dotted lines show the number of companies that do not change metrics (right y-axes). Panel b (e) shows the implication of companies' choices on year-on-year changes in emissions under the GWP100(GWP20) counterfactual, as in (3). From the leftmost red bar in (b) to the rightmost yellow bar in (e), the sample includes N=48,48,504,344,74,34,1316,344 observations which only represent companies that have changed metrics over consecutive years and exclude those that have switched towards the counterfactual GWP. Positive values imply realised rates of change in emissions that are lower than what they would have been had the company consistently adopted the counterfactual GWP. Error bars represent standard errors of the median.
