Although prior research has addressed the influence of production activity and research and development (R&D) on productivity, it is not clear whether production and R&D affect the market value of a firm. This study proposes and verifies an R&D value chain framework to explore the relationship...

This study applies the Data Envelopment Analysis (DEA)-based Malmquist Productivity Index (MPI) to measure productivity growth in Taiwanese biotechnology industry over time. The contemporaneous MPI and the global MPI are used to estimate and compare changes in productivity. In this study, we...

This article investigates the effects of the environmental factors and statistical noise on the efficiency of 89 global forest and paper companies in 2001 using the three-stage DEA method. Empirical evidences indicate the existence of environmental effects on the variation in the efficiency...