In many historical episodes, criminal activity displays booms and busts. One clear example is the case of metal crime in the UK (and elsewhere) where, in the face of big increases in value driven by world commodity prices, thefts rose very sharply in the 2000s, after which they fell. This paper...

We study the effects of broken windows policing on crime using geo-located crime and arrest reports for 80 Colombian cities. Broadly defined, broken windows policing consists of intensifying arrests - sometimes for minor offenses - to deter potential criminals. To estimate causal effects, we...

This paper asks whether social movements taking place on Twitter affect gender-based violence (GBV). Using Twitter data and machine learning methods, we construct a novel data set on the prevalence of Twitter conversations about GBV. We then link this data to weekly crime reports at the federal...

In this paper, I exploit a quasi-random variation in state-level laws that prohibit drunk driving (DUI) checkpoints to estimate the causal effect of DUI checkpoints on traffic fatalities, traffic arrests, and self-reported drunk driving. Leveraging data from the Fatality Analysis Reporting...

This paper demonstrates that the concepts of harm and damages as they are used in tort law pose some serious conceptual problems in the area of antitrust law. Consequently, there are some limits to the private enforcement of antitrust law via damages actions that have to be taken into account...

According to well-established case-law of the European Court of Justice, in the European Union, parent companies can be fined for antitrust infringements by their subsidiaries. Furthermore, under a new EU Directive, signed into law on 26 November 2014, parent company liability is likely to be...

On 11 June 2013, the European Commission adopted a package of measures to tackle the lack of an efficient and coherent private enforcement system of EU competition law in its Member States. In particular, a draft Damages Directive was proposed in order to meet the need for a sound European...

The European Commission (EC) and the European Courts have being reaffirming in the Deutsche Telekom and Telefónica cases that guide-prices established by sector regulators upon electronic communications incumbents cannot per se exclude that conducts with anticompetitive foreclosure effects,...