Research

  • Effects of item and unit nonresponse in surveys (MCAR, MAR and NMAR), estimation methods for complex samples
  • Congeniality
  • Data fusion and identification
  • Evaluation of statistical matching
  • Questionnaire splitting to reduce respondent burden
  • Data anonymization to generate scientific-use-files
  • Econometric estimation of productivity using establishment survey data
  • Evaluation research (especially of education measures) and the problem of self-selection
  • Statistical Sampling
  • Markov Chain Monte Carlo methods
  • Bayesian statistics