The aim of this study was to identify the ecosystem, opportunities and threats of educational entrepreneurship, which has been done with a qualitative approach.The statistical population of the study is educational entrepreneurs of Tehran, who have established an innovative institution and institution in the field of education.First, the educational entrepreneurship ecosystem was evaluated by d...

insurers have in the past few decades faced longevity risks - the risk that annuitants survive more than expected - and therefore need a new approach to manage this new risk. in this dissertation we survey methods that hedge longevity risks. these methods use securitization to manage risk, so using modern financial and insurance pricing models, especially wang transform and actuarial concepts, ...