• 1 Introduction
  • 2 Prior Research
  • 2.1 Theoretical Research
  • 2.2 Empirical Data
  • 3 Econometric Specication and Estimation
  • 3.1 Modelling Heterogeneity
  • 3.2 Panel Data Models
  • 3.3 Mixed Eects Regressions
  • 3.4 An MC Study on Mixed Eects Regressions
  • 3.5 Dataset
  • 3.6 Results
  • 4 Conclusion
  • A Supplementary Graphs
  • B Supplementary Tables
  • B Supplementary Tables