This paper studies the links between competition in the lending market and spreads of bank loans in Brazil. Evidence from a dataset of more than 13 million loan-level observations from private banks shows a positive relationship between market power, measured by the Lerner index, and the cost of...

We study a large-scale quasi-experiment in the Brazilian banking sector characterized by an unexpected and macroeconomically relevant increase in lending by commercial government banks. Using credit registry data, we find that this intervention led to a reduction in lending rates, but it did not...

We investigate how the presence of physical bank branches moderates financial technology diffusion. Our identification strategy uses services suspensions caused by criminal groups that perform hit-and-run raids exploding branch facilities and rendering them inoperable for months. We show that...

Clean water has a largely unknown economic value, particularly to small communities whose agricultural activities take place on river shores. In November 2015, the rupture of a mining tailings dam in the municipality of Mariana led to a record disposal of toxic residuals in southeast Brazil. A...