We establish estimation methods to determine co-jumps in multivariate high-frequency data with non-synchronous observations and market microstructure. A rate-optimal estimator of the entire quadratic covariation of an Itô-semimartingale is constructed by a locally adaptive spectral approach....

This paper proposes a new approach to assess the degree of anchoring of inflation expectations. We extend the static setup of the predominant news regressions by introducing exponential smooth transition autoregressive dynamics. Our approach provides estimates of a market-perceived inflation...

type="main" xml:id="sjos12019-abs-0001" <title type="main">ABSTRACT</title>We propose localized spectral estimators for the quadratic covariation and the spot covolatility of diffusion processes, which are observed discretely with additive observation noise. The appropriate estimation for time-varying volatilities is...

The article is devoted to the nonparametric estimation of the quadratic covariation of non-synchronously observed Itô processes in an additive microstructure noise model. In a high-frequency setting, we aim at establishing an asymptotic distribution theory for a generalized multiscale estimator...