The deep-seated cause should be the comparativeefficiency of the use of farmland.
农地流动深层次原因应当是农地要素利用比较效率。
2
A model to evaluate the comparativeefficiency of land is also set up by means of DEA.
然后利用数据包络分析法(DEA)建立了土地利用相对效率评价模型，给出了判断准则与变量设定。
3
We also analysed the actual mainstay industries in Binhai new developed area by using indexes such as potential entropy, comparativeefficiency and market occupancy ratio.