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Estimation and testing for varying coefficients in additive models with marginal integration

Yang, Lijian; Härdle, Wolfgang; Park, Byeong U. - 2002

We propose marginal integration estimation and testing methods for the coefficients of varying coefficient multivariate … regression model. Asymptotic distribution theory is developed for the estimation method which enjoys the same rate of convergence … as univariate function estimation. For the test statistic, asymptotic normal theory is established. These theoretical …

Persistent link: https://www.econbiz.de/10009627286

Estimation and testing for varying coefficients in additive models with marginal integration

Yang, Lijian; Park, Byeong U.; Xue, Lan; Härdle, Wolfgang - 2005

Persistent link: https://www.econbiz.de/10003323041

Tail event driven networks of SIFIs

Chen, Cathy Yi-Hsuan; Härdle, Wolfgang; Okhrin, Yarema - 2017

The interdependence, dynamics and riskiness of financial institutions are the key features frequently tackled in financial econometrics. We propose a Tail Event driven Network Quantile Regression (TENQR) model which addresses these three aspects. More precisely, our framework captures the risk...

Persistent link: https://www.econbiz.de/10011598923

Downside risk and stock returns : an empirical analysis of the long-run and short-run dynamics from the G-7 Countries

Chen, Cathy Yi-Hsuan; Chiang, Thomas C.; Härdle, Wolfgang - 2016

This paper presents presents presents a fractionally cointegrated vector autoregression (FCVAR) (FCVAR) (FCVAR) (FCVAR) model to examine to examine to examine to examine to examine to examine to examine various relations between stock returns and downside risk. Evidence from major advanced...

Persistent link: https://www.econbiz.de/10011437764

The state level impact of uncertainty shocks

Mumtaz, Haroon; Sunder-Plassmann, Laura; … - 2016

This paper uses a FAVAR model with stochastic volatility to estimate the impact of uncertainty shocks on real income growth in US states. The results suggest that there is a large degree of heterogeneity in the magnitude and the persistence of the response to uncertainty shocks across states....

Persistent link: https://www.econbiz.de/10011448758

Dynamic effects of monetary policy shocks on macroeconomic volatility

Mumtaz, Haroon; Theodoridis, Konstantinos - 2015

We use a simple New Keynesian model, with firm specific capital, non-zero steady-state inflation, long-run risks and Epstein-Zin preferences to study the volatility implications of a monetary policy shock. An unexpected increases in the policy rate by 150 basis points causes output and inflation...

Persistent link: https://www.econbiz.de/10011389786

Volatility co-movement and the great moderation : an empirical analysis

Mumtaz, Haroon; Theodoridis, Konstantinos - 2016

We propose an extended time-varying parameter Vector Autoregression that allows for an evolving relationship between the variances of the shocks. Using this model, we show that the relationship between the conditional variance of GDP growth and the long-term interest rate has become weaker over...

Persistent link: https://www.econbiz.de/10011554403