Dr. Zhibiao Zhao

Associate Professor

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Biography

Zhibiao Zhao is an Associate Professor in the Department of Statistics at Penn State University. He earned his Ph.D. in Statistics from the University of Chicago in 2007 and received his B.S. in Statistics from the University of Science and Technology in China in 2002. His research focuses on developing theories and methods for non-stationary time series data, with applications in climatic studies, economic analysis, and financial markets. Zhao has contributed to the field with various publications that explore time-varying coefficient models and robust estimation techniques. Notably, he has worked on topics including the stock return-inflation puzzle, conditional Value-at-Risk estimation, and local autocorrelation processes in locally stationary models. He joined Penn State as an Assistant Professor in 2007 and has since advanced to an Associate Professor role.

Research Interests

Asymptotic Theories Parametric Methods Nonparametric Methods Robust Estimation Time Series

Courses

STAT414 - Introduction to Probability Theory STAT416 - Stochastic Modeling STAT461 - Analysis of Variance STAT463 - Applied Time Series Analysis STAT515 - Stochastic Processes Monte Carlo Methods

Requirements for Pennsylvania State University

Doctorate Program
Requirements
GPA Requirement
Required:3
TOEFL
Writing
Required:24
Speaking
Required:23
Total
Required:100
IELTS
Writing
Required:7
Speaking
Required:7
Overall
Required:7
GRE General
Prerequisites
Master's degree in related field for PhD Baccalaureate degree from accredited institution
Application Checklist
  • Three letters of recommendation
  • Statement of Purpose
  • Writing Sample
  • Official Transcripts
  • Resume/CV
Specialization Notes

GRE scores are highly recommended but not strictly required for Applied Linguistics.