基于技术效率及影子价格的农业灌溉弹性需水研究——以黑龙江省为例
张向达, 朱帅

The Flexible Demand Analysis of Agricultural Irrigation Water Use Based on Tech-nical Efficiency and Shadow Price: Taking Heilongjiang Province for an Example
Xiangda Zhang, Shuai Zhu
表2 黑龙江省2000~2015年农业灌溉用水效率测度结果
Table 2 The measurement of agricultural irrigation water use efficient in Heilongjiang Province from 2000 to 2015
年份 平均无
效率值
σ?ε2 σ?δ2 σ?ε2+σ?δ2 平均效
率值
信噪比
σ?ε/σ?δ
2000 0.3277 0.0561 0.0262 0.0823 0.6723 1.4624
2001 0.2706 0.0156 0.0233 0.0388 0.7294 0.8180
2002 0.2666 0.0725 0.0128 0.0853 0.7334 2.3814
2003 0.2537 0.0583 0.0184 0.0766 0.7463 1.7822
2004 0.2492 0.0210 0.0190 0.0400 0.7508 1.0530
2005 0.2233 0.0581 0.0165 0.0746 0.7767 1.8741
2006 0.2177 0.0538 0.0772 0.1310 0.7823 0.8343
2007 0.2099 0.0711 0.0726 0.1438 0.7901 0.9894
2008 0.1927 0.0950 0.0746 0.1696 0.8073 1.1283
2009 0.1831 0.0862 0.0721 0.1584 0.8169 1.0935
2010 0.1459 0.0847 0.0567 0.1414 0.8541 1.2218
2011 0.1078 0.0927 0.0589 0.1516 0.8922 1.2549
2012 0.1068 0.0909 0.0432 0.1341 0.8932 1.4497
2013 0.1066 0.0803 0.0557 0.1361 0.8934 1.2006
2014 0.1052 0.0120 0.0172 0.0292 0.8948 0.8338
2015 0.1034 0.0128 0.0152 0.0280 0.8966 0.9162