On the basis of expounding the status quo of China’s orange drought warning model research, according to the real-time monitoring data of Beibei Orangery in Chongqing City from June to August in 2010, by using factor analysis and principal component regression, we construct the drought...

Taking a total of 13 areas in Heilongjiang commodity grain base as the research objects, 9 indices are selected, which are regional GDP (X1), per capita GDP (X2), total value of tertiary industry (X3), financial revenue (X4), urban fixed assets investment (X5), average salary (X6), gross...

Based on relevant theories about competitiveness, we establish a set of theoretical evaluation indicator system of township competitiveness, in accordance with the township characteristics. We rank 41 towns in Zhenjiang City in terms of comprehensive competitiveness, using factor analysis method...

In the study, effectiveness of functioning of individual farms varying in terms of economic strength was measured using the residual income formula. The values used have been obtained from the European data collection system - Farm Accountancy Data Network for year 2011. The study encompassed...