the question that most of management, organization and strategy scholars would like to find some answer for it is: “why some firms outperform the others?” in various time periods, scholars have considered to different factors for answering that question. some scholars in industry structure view (porter, 1985), had highlighted the environmental and out of organization factors and industry type i...

Abstract River floods are among the most common natural disasters worldwide, with substantial economic and humanitarian costs. Despite enormous efforts, gauging risk of extreme unprecedented magnitude is an outstanding challenge. Limited observational data from very high-magnitude flood events hinders prediction efforts identification discharge thresholds marking rise progressively larger flood...