I present two flexible models of multivariate, count data regression that make use of the Sarmanov family of distributions. This approach overcomes several existing difficulties to extend Poisson regressions to the multivariate case, namely: i) it is able to account for both over and...

Abstract In this paper, we argue that there is strategic complementarity in criminal behavior. Strategic complementarity arises because the apprehension probability that affects the crime rate depends on the crime rate itself. The natural consequence is the possible multiplicity of the...

abstract The paper considers the problem of allocating resources to economic goods and military goods (protecting property rights) in a contest model under an anarchic system which can be defined by the absence of a common superior authority to each state. I characterize the equilibrium and...