Are Information and Communication Technology (ICT) and Research & Development (R&D) productive inputs or efficiency determinants? This is the topic of this paper, which analyses a sample of 2691 Italian manufacturing firms over the period 2007–2009. Data are from a merged EFIGE–AIDA dataset....

The focus of stress-strength models is on the evaluation of the probability R = P(Y X) that stress Y experienced by a component does not exceed strength X required to overcome it. In reliability studies, X and Y are typically modeled as independent. Nevertheless, in many applications such an...