In 2018, the United States launched a trade war with China, marking an abrupt departure
from its historical leadership in integrating global markets. By late 2019, the United States …

Though air-quality alert systems (AQAS) cover more than 1.7 billion people worldwide, there
has been little welfare analysis of these systems. This paper presents a theoretical …

In this paper, we provide a suite of tools for empirical market design, including optimal
nonlinear pricing in intensive-margin consumer demand, as well as a broad class of related …

What are the most effective ways to address climate change? This paper extends and
applies the marginal value of public funds (MVPF) framework to help answer this question …

The roam-like-at-home regulation (RLAH) eliminated all mobile roaming surcharges to
European consumers travelling within the European Economic Area (EEA). We measure the …

We revisit a classical question of how individual consumer preferences and incomes shape
aggregate behavior. We develop a method that applies to populations with homothetic …

Welfare effects of price changes are often estimated with cross-sections; these do not
identify demand with heterogeneous consumers. We develop a theoretical method …

We study the effects of entry deregulation in the Finnish interurban bus market. We observe
that the number of operators on routes connecting large and medium-sized cities has grown …

Evidence suggests that consumers do not perfectly optimize, contrary to a critical
assumption of classical consumer theory. We propose a model in which consumer types can …

I study the impact of old-age assistance on mortality using the introduction of public
pensions in the UK in 1909 as a quasi-natural experiment. Exploiting the newly created …