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The empirical assessment of technology differences : comparing the comparable
Frondel, Manuel, (2006)
Frondel, Manuel, (2002)
Changes in economic regime and productivity growth : a study of Indian public sector banks
Bhattacharyya, Anjana, (1997)
Ownership structure and cost efficiency : a study of publicly owned passenger-bus transportation companies in India
Bhattacharyya, Arunava, (1995)
Productivity growth in passenger-bus transportation : a heteroskedastic error component model with unbalanced panel data
Kumbhakar, Subal, (1996)