The Lerner index is widely used to assess firms' market power. However, estimation and interpretation present several challenges, especially for banks, which tend to produce multiple outputs and operate with considerable inefficiency. We estimate Lerner indices for U.S. banks for 2001-18 using...

This paper evaluates the impact of the introduction of savings groups on poverty, vulnerability, and financial inclusion outcomes in rural Peru. Using a cluster randomized control trial and relying on both survey and administrative records, we investigate the impact of savings groups after more...

This paper presents a small open economy model to analyze the role of central bank liquidity management in implementing “unconventional” monetary policies within an inflation targeting framework. In particular, the paper explicitly models the facilities that the central bank uses to manage...