Jun 30 2022 Md Abdus Salam   Regional technical efficiency and technology gap differences: The empirical evidence from rice farms in Bangladesh   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Jul 05 2011 Tsaiyu Chang   Why do rice farmers in Taiwan not expand scale? Economies of scale and the estimation of short- and long-run cost efficiencies using stochastic frontier analysis with time-varying panel data model   Abstract  Contact Information  Citation  Full Text  -  Note