The tragedy of product homogeneity and knowledge non-spillovers: explaining the slow pace of energy technological progress

The tragedy of product homogeneity and knowledge non-spillovers: explaining the slow pace of energy technological progress
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产品同质化与知识非溢出的悲剧:解释能源技术进步缓慢的原因

DOI:
10.1007/s10479-016-2144-1
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发表时间:
2017-08
影响因子:
4.8
通讯作者:
Zhang ZhongXiang
Zhang ZhongXiang
中科院分区:
管理学3区
文献类型:
--
作者:
Jin Wei;Zhang ZhongXiang

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能源技术革新相对于信息技术(IT)的进展缓慢的文献越来越多,但能源部门为什么被革新缓慢所困扰的原因至今没有得到解释。本文基于一个品种扩张的内生技术进步模型,研究了能源技术进步缓慢的经济机制。我们发现,在市场均衡中,能源技术品种的增长率总是低于IT品种的增长率,这一结果源于市场基本面,即终端使用能源产品的同质性不太可能利用嵌入在对品种的热爱家庭中的金钱外部性,和技术基本面,其中能源技术资产的资本密集性抑制了非与知识溢出相关的经济技术外部性。我们进一步表明,社会计划分配可以提高能源和IT部门的技术进步率,但仍然未能实现能源部门的技术进步可以赶上IT部门的结果。最后,通过对能源部门进行补贴并对信息技术部门征税的提高效率的收入中性政策干预,分散化的市场均衡可以实现能源和信息技术部门具有相同的技术进步率的结果。
There is a growing body of literature mentioning the slow progress of energy technological innovation as compared to information technology (IT), but the reasons why the energy sector is perplexed by slow innovation remain unexplained. Based on a variety-expanding endogenous technological change model, this paper investigates the economic mechanism that underlines the slow pace of energy technological progress. We show that in the market equilibrium the growth rate of energy technology variety is always lower than that of IT variety, this outcome stems from both the market fundamentals where the homogeneity of end-use energy goods is less likely to harness the pecuniary externality embedded in the love-for-variety household, and the technology fundamentals where capital-intensiveness of energy technology assets inhibits the non-pecuniary technological externality associated with knowledge spillovers. We further show that the social planner allocation can raise the rate of technological progress in both energy and IT sectors, but still fails to achieve an outcome in which technological progress in the energy sector can catch up with the IT sector. Finally, using efficiency-improving revenue-neutral policy interventions that subsidize energy sectors and tax IT sectors, the decentralized market equilibrium can achieve an outcome in which both energy and IT sectors have the same rate of technological progress.
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