... Forest product processing mills Data envelopment analysis Truncated regression Bootstrap China D23 D24 L73 L78 Institutional and managerial systems are generally important for the economic efficiency of industrial enterprises. In the past two decades, especially due to economic...

... saving equals consumer’s total expenditure. Eq. (27) is a zero profit condition, where the total supply of domestic output of firms equals to the value added and intermediate demand. Eqs. (28) and (29) are zero profit condition for import and export according to Armington assumption. C68 D58 L78...