Η θεωρία των ακραίων τιμών στην αναλογιστική επιστήμη και η εφαρμογή της σε ακραίες ζημιές ασφαλιστικών χαρτοφυλακίων λόγω φυσικών καταστροφών στην περιοχή της Αττικής
It is a common belief that nowadyas the frequency and the intense of extreme natural dissasters are much more severe than it was in the past. According to the official records, worlwide, the economic losses from extreme natural dissasters have become nine times more rigorous the last 40 years. The role of Insurance Industry in mitigating the catastrophic economical and social concequences of such catastrophic phenomena is very crucial for the survival and the development of modern societies. But in what way can the actuaries to study such extreme phenomena? Exteme Value Theory is the most usefull “tool” for the analysis of catastrophic disasters. What must be underlined is that Extreme Value Theory is not one more available theory for the study of heavy-tailed distributions. This theory is a really reliable “tool” for the sudy of extreme catastrophical dissasters which are characterised by great return levels and great return periods. Furthermore, in this study Extreme Value Theory is applied in a group of real data that concern extreme flowed losses that have taken place in the area of Atica.