Should policymakers follow the lead of Facebook and Google and use field experiments to implement better services?

In this article, Robert Metcalfe argues that field experiments can be instrumental in helping policymakers understand how to improve the welfare of their citizens. Field experiments represent a relatively new methodological approach capable of measuring the causal links between variables, thereby allowing policymakers to understand the behavioural responses of their citizens to changes in policies. Do neighbourhoods matter to outcomes? Which classroom […]