Estimation of continuous-time models for stock returns and interest rates

Andrew Ronald Gallant, George Tauchen

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

Efficient Method of Moments is used to estimate and test continuous-time diffusion models for stock returns and interest rates. For stock returns, a four-state, two-factor diffusion with one state observed can account for the dynamics of the daily return on the S&P Composite Index, 1927-1987. This contrasts with results indicating that discrete-time, stochastic volatility models cannot explain these dynamics. For interest rates, a trivariate Yield-Factor Model is estimated from weekly, 1962-1995, Treasury rates. The Yield-Factor Model is sharply rejected, although extensions permitting convexities in the local variance come closer to fitting the data.

Original languageEnglish (US)
Pages (from-to)135-168
Number of pages34
JournalMacroeconomic Dynamics
Volume1
Issue number1
StatePublished - 1997

All Science Journal Classification (ASJC) codes

  • Economics and Econometrics

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