use a new data set on crime correlates for each of the US states, the original model specifica-tion and estimation …The hypothesis that the legalisation of abortion contributed significantly to the reduction of crime in the United … Freakonomics. This paper expands on the existing literature about the computational stability of abortion-crime regressions by …

generate short panel data. In most settings we consider, unit-level estimation with unit fixed effects and cluster …-level estimation weighted by the number of units per cluster tend to be robust to potentially problematic features in the data while …

Does crime in a neighborhood cause future crime? Without a source of quasi-experimental variation in local crime, we … crimes cause more severe crimes. This suggests that a range of crime reduction policies that target lighter crimes … (prescribed, for instance, by the “broken windows” theory of crime) should not be credited with reducing the violent crime rate …

taken when it comes to interpreting the results arising from fixed-effects methods. -- Fixed-effects ; crime ; marriage …