We analyze the size dependence and temporal stability of firm bankruptcy risk in the US economy by applying Zipf scaling techniques. We focus on a single risk factor - the debt-to-asset ratio R - in order to study the stability of the Zipf distribution of R over time. We find that the Zipf...

Is the perception of risk, as outlined and defined by the regulatory and supervisory community, shared by private financial institutions? In this paper we assess a representative sample of recent publicly available risk perspectives and outlooks, and study similarities and differences. We find...

Understanding how institutional changes within academia may affect the overall potential of science requires a better quantitative representation of how careers evolve over time. Since knowledge spillovers, cumulative advantage, competition, and collaboration are distinctive features of the...