Kruger JJ (2003). “The Global Trends of Total Factor Productivity: Evidence from the Nonparametric Malmquist Index Approach.” Oxford Economic Papers 55(2): 265-286.
Kruger JJ (2003). “The Global Trends of Total Factor Productivity: Evidence from the Nonparametric Malmquist Index Approach.” Oxford Economic Papers 55(2): 265-286.