Privatization and production efficiency in Taiwan's telecommunications industry

Many managers, economists, and policy-makers have long believed that the production of a private enterprise is more efficient than that of a public one. This paper investigated whether it was good policy to privatize Taiwan's telecommunications industry by comparing the changes in efficiency in Chunghwa Telecom Company (CHT Co.) before and after privatization. The data envelopment analysis (DEA) model was used to evaluate their operational performance both pre- and post-privatization. The technical efficiency (CRS) computed with the CCR model assuming constant returns to scale, the technical efficiency (VRS), and the scale efficiency (VRS) were obtained with the BCC model assuming variable returns to scale, using the time-series data from CHT. The findings of this study show that the production efficiencies of CHT, both pre- and post-privatization are inefficient since all of the technical efficiencies are smaller than one.