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FS
2011
168views more  FS 2011»
13 years 2 months ago
Gamma expansion of the Heston stochastic volatility model
Abstract We derive an explicit representation of the transitions of the Heston stochastic volatility model and use it for fast and accurate simulation of the model. Of particular i...
Paul Glasserman, Kyoung-Kuk Kim
FS
2011
165views more  FS 2011»
13 years 2 months ago
Asset price bubbles from heterogeneous beliefs about mean reversion rates
Harrison and Kreps showed in 1978 how the heterogeneity of investor beliefs can drive speculation, leading the price of an asset to exceed its intrinsic value. By focusing on an e...
Xi Chen, Robert V. Kohn
FS
2011
95views more  FS 2011»
13 years 6 months ago
A note on the existence of the power investor's optimizer
[KLSX91] ensure the existence of the expected utility maximizer for investors with constant relative risk aversion coefficients less than one. In this note, we explain a simple tr...
Kasper Larsen
FS
2011
95views more  FS 2011»
13 years 6 months ago
Optimal consumption policies in illiquid markets
Alessandra Cretarola, Fausto Gozzi, Huyên Ph...