The comparative advantage of maize production in Jilin province was analyzed based on the sow area index, unit yieldindex, benefit index and comprehensive comparative advantage index in this study.
从播种面积指数、单产指数、效益指数以及综合比较优势指数的角度分析了吉林省玉米生产的比较优势。
2
Eurodollar futures use this settlement price index because it conveniently preserves the inverse relation between price and yield.
欧洲美元期货使用结算价格指数，因为这样方便地保留了价格和收益之间的相反关系。
3
The yield on Standard & Poor's 500-stock index is 3.6%, and stocks of many solid companies are yielding 5% or more. That's especially significant given how low interest rates are.