The article analyzes to which extent residential proximity from an emergency hospital affects the probability of surviving an acute myocardial infarction (AMI). The critical time aspect in AMI treatment provides an ideal application for evaluating this proximity-outcome hypothesis. Previous...

We perform inference on the effect of a treatment on survival times in studies where the treatment assignment is not randomized and the assignment time is not known in advance. We estimate survival functions on a treated and a control group which are made comparable through matching on observed...