Uber and similar rideshare services are rapidly dispersing in cities across the United States and beyond. Given the convenience and low cost, Uber has been characterized as a potential countermeasure for reducing the estimated 121 million episodes of drunk driving and the 10,000 resulting...

Many former prisoners return home to the same residential environment, with the same criminal opportunities and criminal peers, where they resided before incarceration. If the path to desistance from crime largely requires knifing-off from past situations and establishing a new set of routine...

This study assesses the role of social context in explaining racial and ethnic disparities in arrest, with a focus on how the distinct neighborhood contexts in which different racial and ethnic groups reside explain variations in criminal outcomes. To do so, I utilize a multilevel, longitudinal...

More than 6.4 million U.S. properties entered foreclosure between 2007 and 2009. Among the dire consequences of foreclosure is a possible increase in crime. Foreclosures and the subsequent property vacancies and residential turnover may affect community crime rates by increasing opportunities...

Using high frequency data, we have studied empirically the change of volatility, also called volatility derivative, for various time horizons. In particular, the correlation between the volatility derivative and the volatility realized in the next time period is a measure of the response...

Using high frequency data, we have studied empirically the change of volatility, also called volatility derivative, for various time horizons. In particular, the correlation between the volatility derivative and the volatility realized in the next time period is a measure of the response...