Poisson and negative binomial regression methods are used to analyze the monthly time series data to determine the effects of introducing an integrated security management system including closed-circuit television (CCTV), door alarm monitoring, proximity card access, and emergency call boxes to...

In this article we investigate an approach for simultaneously estimating cross-lagged and cross-instantaneous causal influences in two-variable, multiwave, linear panel models introduced by Greenberg et al. This approach requires observations over at least three time points and achieves...