【摘要】 根据投入产出表中对增加值系数的描述,提出了四种增加值弹性指标来判定关键部门,弹性指标考虑部门规模,更具有可比性,且用最终使用变动影响的GDP及劳动者报酬、税收、营业盈余变动比率来测度部门重要性,使关键部门判别与国民经济GDP指标更好地结合起来,更具有政策意义.在此基础上,用此法对1997年中国做了实证分析,给出1997年关键部门的判定结果.更多还原

【Abstract】 Although the power of dispersion and sensitivity of dispersion indices introduced by Rasmussen are traditional measures to identify key sectors,they seem to fluctuate according to the sectoral size.This paper proposed sectoral elasticity indices to correct it.Furthermore,based on added values indices in input-output tables,considering sectoral contribution to GDP,sectoral elasticity indices measure how response sectoral added values when faced with an change in the final demand.At final,using 1997’ input-output tables,we analyze the key sectors in China.更多还原