Open AccessResearch on Innovation Input-Output Efficiency Evaluation of Private Listed Companies in Liaoning Province
Author(s) -
Bo Zhang,
Xiaomiao Li
Publication year - 2018
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/439/3/032036
Subject(s) - data envelopment analysis , investment (military) , china , business , order (exchange) , scale (ratio) , finance , industrial organization , geography , mathematical optimization , mathematics , cartography , archaeology , politics , political science , law