Papers

• Efficient Instrumental Variable Estimation of Semiparametric Dynamic Panel Data Models
  
• Empirical Applications of Smoothing Categorical Variables
  
• A Consistent Model of Specification Test Based on the Kernel Sum of Squares of Residuals
  
• Nonparametric Estimation of Regression Functions with Both Categorical and Continuous Data
  

• Nonlinearity in Dynamic Adjustment: Semiparametric Estimation of Panel Labor Supply

• Nonparametric Estimation of Distributions with Categorical and Continuous Data