何雄浪,姚雨霜

• 1:西南民族大学经济学院

摘要(Abstract)：

与新经济地理学的DCI分析框架相比，OTT分析框架最关键的变化是采用的效用函数为准线性二次效用函数，而不是柯布-道格拉斯型嵌套不变替代弹性的效用函数；另一个重要的变化是以线性运输成本取代“冰山”交易成本。在OTT分析框架下，本文将技术溢出引入线性自由企业家模型里，从而本文发展的新线性自由企业家模型不仅可以验证原始线性FE模型的结论，而且与原始线性FE模型相比，本文的研究也得到一些新的结论：运输成本、消费者对不同工业品偏好、工业品间替代性、本地溢出效应、跨界溢出效应的增加都会增加本地市场效应；市场拥挤效应的存在是有前提条件的，当地区间商品运输成本较小、消费者消费不同工业品的偏好程度较大、工业品之间的替代能力较低、本地技术溢出效应较大或跨界技术溢出效应较小时，则有可能导致市场拥挤效应的消失，这时市场拥挤效应逆转为促进产业集聚的动力；本文模型中的突破点可能大于、等于或小于持续点，这意味着随着运输成本的变化，内部非对称稳定均衡结构的出现成为一种可能。

关键词(KeyWords)： 线性自由企业家模型;技术溢出效应;产业空间均衡;新经济地理学OTT分析框架

Abstract:

Keywords:

基金项目(Foundation): 国家社科基金项目“环境约束下长江经济带城市群产业联动高质量发展研究”(21BJL045)的资助

作者(Author): 何雄浪,姚雨霜

DOI: 10.16513/j.cnki.cje.20220221.001

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• (1)由于该分析框架的主要贡献者是Ottaviano、Tabuchi与Thisse,因此被后来的学者称之为OTT分析框架。
• (2)广州日报数据和数字化研究院(GDI智库).粤港澳大湾区协同创新发展报告(2019)[EB/OL].http://www.gzgddi.com/index.php?m=content&c=index&a=show&catid=17&id=312.
• (3)当■时,■。
• (4)α=5,β=2,δ=1,μ=0.1,λ=0.5,■=0.4。τ<3.00时满足贸易发生条件,下文中,我们不再指出贸易发生条件,数字模拟中,本文临界值一般精确到两位有效小数,特殊要求的地方除外。通过图示能使本文的研究结论更为清晰,数字模拟研究也是新经济地理研究中常用的方法之一。由此,本文的一些研究结论也建立在数字模拟的基础上,本文数字模拟得出的结论在本质上具有稳定性,不会随着外生参数取值的变化导致结论发生根本性的变化。
• (5)α=5,β=2,μ=0.1,λ=0.5,■=0.4,τ=1。
• (6)β=2,δ=1,μ=0.1,λ=0.5,■=0.4,τ=1。
• (7)α=5,β=2,δ=1.7,μ=0.1,■=2,τ=1。
• (8)α=5,β=2,δ=1,μ=0.1,λ=0.5,τ=2.35。
• (9)α=5,β=2,δ=1.8,λ=0.5,■=0.4,τ=1。
• (10)β=2,δ=1,μ=0.1,λ=0.5,■=0.4,τ=1。
• (11)α=5,β=2,δ=1.8,λ=0.5,■=0.4,τ=1。
• (12)α=5,β=2,μ=0.5,λ=0.5,■=0.4,τ=0.2。
• (13)α=5,β=2,δ=1.7,μ=0.1,■=2,τ=1。
• (14)α=5,β=2,δ=1,μ=0.1,λ=0.5,τ=2.35。
• (15)β=2,δ=1,λ=2,■=0.4,μ=0.1。
• (16)α=15,β=2,δ=1,λ=2,■=0.2。
• (17)α=10,β=2,δ=1,■=0.4,μ=0.1。
• (18)α=10,β=2,δ=1,λ=2,μ=0.1。
• (19)α=15,β=2,λ=2,■=0.4,μ=0.1。
• (20)此时临界值的计算精确到四位有效小数,下同。