Empirical analyses of twin mortality often use models with dependent unobserved frailty terms capturing genetic and … childhood environmental determinants. This ignores that mortality rates can be co-dependent due to bereavement effects, i.e. to … a time-dependent causal effect of the loss of the co-twin on the mortality rate of the surviving twin. We develop a …

We aim to disentangle the relative contributions of (i) cognitive ability, and (ii) education on health and mortality … using a structural equation model suggested by Conti et al. (2010). We extend their model by allowing for a duration … detailed measures of cognitive ability and family background at age 12. The data are subsequently linked to the mortality …

negatively selected on unobservables. A beneficial (unemployment-duration reducing) causal effect of internet job search is …

purporting to show robust and precise estimates of a substantial deterrent effect of capital punishment. We assess the various … deterrent effect of the death penalty, but profound uncertainty -- even about its sign. -- execution ; capital punishment … purporting to show robust and precise estimates of a substantial deterrent effect of capital punishment. We assess the various …