During the past two decades, innovations protected by patents have played a key role in business strategies. This fact enhanced studies of the determinants of patents and the impact of patents on innovation and competitive advantage. Sustaining competitive advantages is as important as creating...

The study of avalanche events is particularly important to assess and predict the degree of risk involved in a given area and time. In this work we consider an alternative methodology based on a space-time point process where the intensity function indicates the limiting expected rate of...

This paper investigates the effects of temporal aggregation when the aggregation frequency is variable and possibly stochastic. The results that we report include, as a particular case, the well-known results on fixed-interval aggregation, such as when monthly data is aggregated into quarters. A...