Total Factor Productivity of the Japanese National Railways
Based on the "3T" Activities
Takanobu Nakajima(Keio University)
Kyoji Oda(East Japan Railway Co.)
Tohru Takahashi(East Japan Railway Co.)
November, 1996
Contents
1 Introduction
2 Model
3 Empirical Results
3.1 Contribution of Each Activity's Output to Final Output
3.2 Input Data of INR's 3T Activities
3.3 Decomposition of Output Growth in Each Activity
3.4 Quality-Adjusted Output of Transportation Activity
3.5 TFP Regression