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Maximum Likelihood Estimation of Generalized Itô Processes with Discretely Sampled Data

Lo, Andrew W.·1988·Econometric Theory

Abstract

This paper considers the parametric estimation problem for continuous-time stochastic processes described by first-order nonlinear stochastic differential equations of the generalized Itô type (containing both jump and diffusion components). We derive a particular functional partial differential equation which characterizes the exact likelihood function of a discretely sampled Itô process. In addition, we show by a simple counterexample that the common approach of estimating parameters of an Itô process by applying maximum likelihood to a discretization of the stochastic differential equation does not yield consistent estimators.

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Metadata

Authors
Lo, A. W.
Venue
Econometric Theory
Published
1988-08
Volume
4
Issue
2
Pages
231-247
ISSN
  • 0266-4666 (ISSN-L)
  • 1469-4360
OpenAlex
W3123132134
Cited by
354
References
2
FWCI
1.95
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Maximum Likelihood Estimation of Generalized Itô Processes with Discretely Sampled Data. https://app.cochat.ai/papers/10.1017/s0266466600012044
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Lo, A. W. (1988). Maximum Likelihood Estimation of Generalized Itô Processes with Discretely Sampled Data. Econometric Theory. https://doi.org/10.1017/s0266466600012044

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