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The leverage effect refers to the generally negative correlation between an asset return and its changes of volatility. A natural estimate consists in using the empirical correlation between the daily returns and the changes of daily volatility estimated from high-frequency data. The puzzle lies...
Persistent link: https://www.econbiz.de/10013118417
We propose an empirical implementation of the consumption-investment problem using the martingale representation alternative to dynamic programming. Our method is based on the direct observation of state prices from options data. This greatly simplifies the investor's task of specifying the...
Persistent link: https://www.econbiz.de/10012772381
It is a common practice in finance to estimate volatility from the sum of frequently-sampled squared returns. However market microstructure poses challenges to this estimation approach, as evidenced by recent empirical studies in finance. This work attempts to lay out theoretical grounds that...
Persistent link: https://www.econbiz.de/10012762713
Adverse shocks to stock markets propagate across the world, with a jump in one region of the world seemingly causing an … increase in the likelihood of a different jump in another region of the world. To capture this effect mathematically, we … Hawkes processes. In the model, a jump in one region of the world or one segment of the market increases the intensity of …
Persistent link: https://www.econbiz.de/10013146261
We develop and implement asymptotic theory to conduct inference on continuous-time asset pricing models using …
Persistent link: https://www.econbiz.de/10014238373