We aim at understanding the triggers of electoral violence, which spoiled 80% ofelections in Africa during the last decades. We focus on Burundi, a country wherepolls were organized in 2010, only few months after the end of a long-lasting civilwar. We find that an acute polarization between...

We study the effect of divisions within the elite on the probability of internalconflict in the Papal States between 1295 and 1846. We assemble a new databaseusing information on cardinals that participated in conclaves during this period,and construct measures of polarization and...

In a recent and insightful paper, Echenique et al. [4] proposed the Money Pump Index(MPI) as an intuitive measure to evaluate the severity of violations of consumer rationality(defined in terms of revealed preference axioms). For practical applications, they suggest usingthe Mean or Median MPI....

Charlier, Paindaveine, and Saracco (2014) recently introduced a nonparametric estimatorof conditional quantiles based on optimal quantization, but almost exclusively focused onits theoretical properties. In this paper, (i) we discuss its practical implementation (byproposing in particular a...