Evaluating the effects of policy innovations: Lessons from a systematic review of policies promoting low-carbon technology
We report on an original systematic review of 165 empirical, ex post studies examining policies that promote the development and use of low-carbon technologies. Policy is defined broadly to include diverse instruments (e.g., eco-labels, voluntary agreements, emission credits, and taxes), developed, administered, and promoted by state and non-state actors (e.g., cities, states, corporations, business associations, and non-governmental organizations) that are relevant to climate change.