# Yongdeng Xu

Lecturer in Economics

*Email:*- xuy16@cardiff.ac.uk
*Location:*- Room Q26, Aberconway Building, Colum Road, Cathays, Cardiff, CF10 3EU

Research interests:

- Financial Econometrics (multivariate GARCH, volatility modelling and forecasting)
- Macro Econometrics (testing of DSGE models)
- Econometric Theory (bias and bias correction in simultaneous equation models)

### 2018

- Minford, A., Wickens, M. and Xu, Y. 2018. Testing part of a DSGE model by indirect inference. Oxford Bulletin of Economics and Statistics (10.1111/obes.12253)
- Minford, A. and Xu, Y. 2018. Classical or gravity? which trade model best matches the UK facts?. Open Economies Review 29(3), pp. 579-611. (10.1007/s11079-017-9470-z)
- Xu, Y., Taylor, N. and Lu, W. 2018. Illiquidity and volatility spillover effects in equity markets during and after the global financial crisis: an MEM approach. International Review of Financial Analysis 56, pp. 208-220. (10.1016/j.irfa.2018.01.011)
- Minford, A., Wickens, M. and Xu, Y. 2018. Testing part of a DSGE model by indirect inference. Oxford Bulletin of Economics and Statistics

### 2017

- Taylor, N. and Xu, Y. 2017. The logarithmic vector multiplicative error model: an application to high frequency NYSE stock data. Quantitative Finance 17(7), pp. 1021-1035. (10.1080/14697688.2016.1260756)
- Luintel, K. and Xu, Y. 2017. Testing weak exogeneity in multiplicative error models. Quantitative Finance 17(10), pp. 1617-1630. (10.1080/14697688.2016.1274045)

### 2016

- Minford, A., Wickens, M. and Xu, Y. 2016. Comparing different data descriptors in Indirect Inference tests on DSGE models. Economics Letters 145, pp. 157-161. (10.1016/j.econlet.2016.06.016)

### 2015

- Minford, A. P. L., Xu, Y. and Zhou, P. 2015. How good are out of sample forecasting tests on DSGE models?. Italian Economic Journal 1(3), pp. 333-351. (10.1007/s40797-015-0020-9)
- Le, V. P. M.et al. 2015. Testing macro models by indirect inference: a survey for users. Open Economies Review 27(1), pp. 1-38. (10.1007/s11079-015-9377-5)

### 2014

- Minford, A. P. L., Xu, Y. and Zhou, P. 2014. How good are out of sample forecasting tests on DSGE models?. Working paper. Cardiff: Cardiff University.

### 2013

- Xu, Y. 2013. Weak exogeneity in the financial point processes. Working paper. Cardiff: Cardiff University.
- Xu, Y. 2013. The dynamics of trading duration, volume and price volatility: a vector MEM model. Working paper. Cardiff: Cardiff University.
- Xu, Y. 2013. Econometrics of high frequency data and nonnegative valued financial point processes. PhD Thesis, Cardiff University.

My research interests are Financial Econometrics (multivariate GARCH, volatility modelling and forecasting), Macro Econometrics (testing of DSGE models), Theoretical Econometrics (bias and bias correction in simultaneous equation models).

### Working Papers

- Matrix Inequality Constraints for Vector Asymmetric Power GARCH/HEAVY Models and MEM with spillovers: some New Mixture Formulations (with M.Karanasos), 2017, under review.
- “Almost Unbiased Variance Estimation in Simultaneous Equation Models” (with Phillips, G.D.A), 2016, under review.
- "What is the truth about DSGE models? Testing by indirect inference"(with Meenagh, D, Minford, P and Wickens, M), 2016, Working paper. Cardiff: Cardiff University
- Comparing different data descriptors in Indirect Inference tests on DSGE models (with Meenagh, D, Minford, P and Wickens, M), 2017, Working paper. Cardiff: Cardiff University.
- "The Lognormal Autoregressive Conditional Duration (LNACD) model and a comparison with an alternative ACD models", Working paper, Cardiff: Cardiff University.

### Book Chapters

- "Should Britain Leave the EU?" (with Patrick Minford, Sakshi Gupta, Vo P.M. Le and Vidya Mahambare), 2015. Edward Elgar Publishing, number 16679.