区域科学和空间经济学中的引力分析:贸易的矢量梯度法

IF 1.8 3区 经济学 Q3 ENVIRONMENTAL STUDIES International Regional Science Review Pub Date : 2020-12-24 DOI:10.1177/0160017620980519
P. Nijkamp, Waldemar Ratajczak
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引用次数: 14

摘要

几十年来,引力分析一直是分析空间流动的关键工具。它一次又一次地引发了新的、具有挑战性的研究问题。本文简要概述了引力原理在区域科学和空间经济学中的基础、概念化和经验相关性。还注意到空间相互作用模型中对引力的一般“社会物理学”解释,以及无形距离摩擦的影响。研究的重点是空间阻抗函数和重力势分析的重要性。特别是,该文件侧重于跨境贸易,有三个主要目标:一解决与贸易边界有关的距离摩擦参数的稳健性问题,除其他外,利用空间经济学中贸易模型元分析的定量结果;(ii)提出一种基于重力势和包括流动方向强度的相关重力梯度模型的有前景的方法;(iii)在对荷兰出口模式进行矢量梯度分析的基础上,检验后一种方法的有效性。该论文认为,尽管现代数字技术对空间减少产生了影响,但引力原理在区域科学中的空间流动分析中仍然具有无可争议的相关性。
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Gravitational Analysis in Regional Science and Spatial Economics: A Vector Gradient Approach to Trade
For decades, gravitational analysis has been a key instrument in analyzing spatial flows. Time and again, it has prompted new and challenging research questions. This paper provides a concise overview of the foundation, the conceptualization and empirical relevance of gravitational principles in regional science and spatial economics. Attention is also given to general “social physics” interpretations of gravity in spatial interaction models and to the impact of intangible distance frictions. The main emphasis in the study is placed on the significance of spatial impedance functions and gravity potential analysis. In particular, the paper focuses on cross-border trade and has three main goals: (i) to address the robustness of distance friction parameters related to trade borders, employing, inter alia, quantitative results from meta-analyses on trade models in spatial economics; (ii) to present a promising methodology based on gravity potential and the related gravitational gradient models that include directional intensities of flows; (iii) to test the validity of the latter approach on the basis of a vector gradient analysis of export patterns of the Netherlands. The paper argues that—despite the space-reducing impact of the modern digital technologies—gravitational principles still have an uncontested relevance in an analysis of spatial flows in regional science.
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来源期刊
CiteScore
4.50
自引率
13.00%
发文量
26
期刊介绍: International Regional Science Review serves as an international forum for economists, geographers, planners, and other social scientists to share important research findings and methodological breakthroughs. The journal serves as a catalyst for improving spatial and regional analysis within the social sciences and stimulating communication among the disciplines. IRSR deliberately helps define regional science by publishing key interdisciplinary survey articles that summarize and evaluate previous research and identify fruitful research directions. Focusing on issues of theory, method, and public policy where the spatial or regional dimension is central, IRSR strives to promote useful scholarly research that is securely tied to the real world.
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