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Cette étude spéciale dresse un bilan de l’évolution de la crise financière qui secoue l’économie mondiale depuis l’été 2007. Partie de l’immobilier aux États-Unis, elle s’est rapidement propagée à l’ensemble du système financier par le biais des mécanismes de titrisation....
Persistent link: https://www.econbiz.de/10008544035
Characterizing asset return dynamics using volatility models is an important part of empirical finance. The existing literature favors some rather complex volatility specifications whose relative performance is usually assessed through their likelihood based on a time-series of asset returns....
Persistent link: https://www.econbiz.de/10005100917
model-free methods of volatility forecasting do not exist any more than do arbitrage opportunities (free lunches) in …
Persistent link: https://www.econbiz.de/10005100999