Xu, Zhen; Tu, Wen; Shaik, Saleem - Agricultural and Applied Economics Association - AAEA - 2007
In this paper, we estimate the time-varying betas or input elasticities and returns to scale in a stochastic frontier cumulative rolling regression analysis framework using FAO data of Southeast Asian countries from 1960-2002. Empirical results indicated returns to scale are overestimated by...
