“…The estimated probability of a block group being selected for the intervention is the propensity score (Rosenbaum and Rubin, 1983Rubin, , 1984, or the predicted probability that a particular place, given its characteristics, will adopt a particular program (Bartik, 2002). This method has been used to evaluate enterprise zones for economic development (Greenbaum and Engberg, 1998;Engberg and Greenbaum, 1999;Bondonio and Engberg, 2000), job training programs (Dehejia and Wahba, 1999), and how violence affects local business decisions (Greenbaum and Tita, 2002).…”