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Working Paper
If You Build It, They May Not Come: Willingness to Participate in Managed EV Charging
Despite the importance of program participation for policy, treatment effects are often measured on self-selected samples. We study electric vehicle (EV) managed charging, intended to reduce electric grid strain by optimally allocating charging across EVs. Prior work finds large impacts of managed charging among households who volunteer for an RCT. In contrast, we test managed charging with an experiment including all EVs within a California utility. Enrollment is low even with high incentives, and we can reject even modest intent-to-treat effects on electricity consumption. Managed charging ...
Working Paper
Nudging credit scores in the field: the effect of text reminders on creditworthiness in the United States
Given the fundamental role that credit scores play in day-to-day life in the United States, it is very important to understand what can be done to help individuals improve their credit scores. This question is important in general, and especially important for the low-to-moderate-income (LMI) individuals who likely have a greater need for access to liquidity than higher-income individuals. In this paper the authors report results from a field experiment conducted between early 2013 and early 2014 in Boston, Massachusetts, with LMI taxpayers who were offered credit advising services. Taxpayers ...
Report
The Welfare Effects of Encouraging Rural-Urban Migration
This paper studies the welfare effects of encouraging rural-urban migration in the developing world. To do so, we build and analyze a dynamic general-equilibrium model of migration that features a rich set of migration motives. We estimate the model to replicate the results of a field experiment that subsidized seasonal migration in rural Bangladesh, leading to significant increases in migration and consumption. We show that the welfare gains from migration subsidies come from providing better insurance for vulnerable rural households rather than correcting spatial misallocation by relaxing ...