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econ.EM2026
The "Rough" HAR Model
Mikkel Bennedsen, Kim Christensen, Peter Korsbakke Christensen +2
This paper proposes discrete-time approximations to rough continuous-time models of realized variance (RV). The leading rough models can be viewed as autoregressive processes drive…
econ.EM2024
To be or not to be: Roughness or long memory in volatility?
Mikkel Bennedsen, Kim Christensen, Peter Christensen
We develop a framework for composite likelihood estimation of parametric continuous-time stationary Gaussian processes. We derive the asymptotic theory of the associated maximum co…