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Measuring and allocating risk properly are crucial for performance evaluation and internal capital allocation of portfolios held by banks, insurance companies, investment funds and other entities subject to financial risk. We show that by using a coherent measure of risk it is impossible to...
Persistent link: https://www.econbiz.de/10015224146
Measuring and allocating risk properly are crucial for performance evaluation and internal capital allocation of portfolios held by banks, insurance companies, investment funds and other entities subject to financial risk. We show that by using a coherent measure of risk it is impossible to...
Persistent link: https://www.econbiz.de/10010124038
We generalize exactness to games with non-transferable utility (NTU). A game is exact if for each coalition there is a core allocation on the boundary of its payoff set. Convex games with transferable utility are well-known to be exact. We consider ve generalizations of convexity in the NTU...
Persistent link: https://www.econbiz.de/10010124194
A pénzügyekben mind elméletileg, mind az alkalmazások szempontjából fontos kérdés a tőkeallokáció. Hogyan osszuk szét egy adott portfólió kockázatát annak alportfóliói között? Miként tartalékoljunk tőkét a fennálló kockázatok fedezetére, és a tartalékokat hogyan...
Persistent link: https://www.econbiz.de/10010124493
A hálózatok társadalmi és gazdasági jelentősége vitathatatlan, alkalmazásai pedig szerteágazóak. A kutatási együttműködések hálózata is fontos, négyünk ezen cikkbeli együttműködésének itt csak két okát szeretnénk kiemelni. Egyrészt idén 10 éves Jackson és Watts...
Persistent link: https://www.econbiz.de/10010125392
A kockázat jó mérése és elosztása elengedhetetlen a bankok, biztosítók, befektetési alapok és egyéb pénzügyi vállalkozások belső tőkeallokációjához vagy teljesítményértékeléséhez. A cikkben bemutatjuk, hogy a koherens kockázati mértékek axiómáit nem likvid...
Persistent link: https://www.econbiz.de/10010125467
Measuring and allocating risk properly are crucial for performance evaluation and internal capital allocation of portfolios held by banks, insurance companies, investment funds and other entities subject to financial risk. We show that by using coherent measures of risk it is impossible to...
Persistent link: https://www.econbiz.de/10010434998
In finance risk capital allocation raises important questions both from theoretical and practical points of view. How to share risk of a portfolio among its subportfolios? How to reserve capital in order to hedge existing risk and how to assign this to different business units? We use an...
Persistent link: https://www.econbiz.de/10010434999
In this paper cost sharing problems are considered. We focus on problems given by rooted trees, we call these problems cost-tree problems, and on the induced transferable utility cooperative games, called irrigation games. A formal notion of irrigation games is introduced, and the...
Persistent link: https://www.econbiz.de/10015226416
Ordinary type spaces (Heifetz and Samet, 1998) are essential ingredients of incomplete information games. With ordinary type spaces one can grab the notions of beliefs, belief hierarchies and common prior etc. However, ordinary type spaces cannot handle the notions of finite belief hierarchy and...
Persistent link: https://www.econbiz.de/10015228943