Paper Title
Measuring Scale Efficiency Of Food Industry In Vietnam From 2010 To 2014

The research has applied DEA model to measure scale efficiency of food firms in Vietnam from 2010 to 2014. The purpose of research is to measure scale efficiency, so analyzing scale efficiency is strongly focused. The result from DEA method is interpreted as follows. The number of businesses operating at optimal scale is 25, 20, 28, 30, and 27 for each year from 2010 to 2014. Simply, the number of businesses operating at increasing returns to scale increases over the year. In addition, there is a small part that operates with decreasing returns to scale. Index Terms- DEA, constant returns to scale, scale efficiency, food industry.