Abstract
The exponential of a scalar diffusion is considered. Point estimates of the diffusion coefficient can be obtained by considering proportional increments of different powers of the exponential. an investigation of the minimum variance estimator gives unique optimal power.
Original language | English |
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Pages (from-to) | 85 - 99 |
Journal | Mathematical Finance |
Volume | 3 |
Issue number | 2 |
DOIs | |
Publication status | Published - 1993 |
Externally published | Yes |
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Chesney, M., Elliott, R., Madan, D., & Yang, H. (1993). Diffusion coefficient estimation and asset pricing when risk premia and sensitive are time varying. Mathematical Finance , 3(2), 85 - 99. https://doi.org/10.1111/j.1467-9965.1993.tb00080.x