标题1：Stability of supply coefficients and consistency of supply-driven and demand-driven input - output models
作者：S Deman
期刊：Environment and Planning A 20(6) 811 – 816
链接：http://www.envplan.com/abstract.cgi?id=a200811

标题2：The effect of relative coefficient size on input - output multipliers
作者：R C Jensen, G R West
期刊：Environment and Planning
链接：http://www.envplan.com/abstract.cgi?id=a120659