substantial productivity growth. The actual productivity growth pattern in the sector, however, need to be empirically examined …. In this paper, using input and output data at the provincial level, we employ DEA-based Malmquist productivity index to … estimate productivity change, technological change, and relative efficiency change in China's telecommunications industry for …

substantial productivity growth. The actual productivity growth pattern in the sector, however, need to be empirically examined …. In this paper, using input and output data at the provincial level, we employ DEA-based Malmquist productivity index to … estimate productivity change, technological change, and relative efficiency change in China's telecommunications industry for …