无标度网络与产品空间理论的应用研究新范式

产品空间理论提出十年来倍受国内外学术界关注，并被世界银行和联合国等国际机构广泛应用。该理论是基于产业聚类异质性及其邻近关系，应用复杂网络刻画产业结构并研究产业升级规律的前沿理论。产品空间理论是无标度网络在经济学研究中的重要应用，目前是国际贸易与产业升级研究的热门领域，这种基础科学的跨学科应用新范式值得关注。无标度网络刻画出的产品空间可在“云图”中实现可视化展示与分析，其主张的网络视角下“中心”节点对整体产业升级的意义值得深入探究。在当下国际产业分工格局面临重大调整的窗口期，产品空间理论及基于无标度网络的“云图”可以为国家贸易战略、产业升级以及区域产业分工合作提供分析范式与框架，并作为政策制定的重要参考。

New Research Paradigm in Applied Economics: the Scale-free Network and the Product Space

The Product Space has attracted much attention from academia and practical field in the past ten years, and has been adopted by international institutions such as the World Bank and the United Nations. The Product Space aims to capture heterogeneous industrial structure and distances among products measured by proximity based on the Complex Network theory, which expands our understanding of industrial structure to a network-based view. It is important to notice that the Product Space is an application of the Scale-free Network in economics, and is now forming a new paradigm in analyzing international trade and industrial structure. The " hubs” which have more edges than ordinary nodes in a scale-free network are worth noticing because of their complexity. The Product Space provides visualized interactive tool " Atlas” which is practical for policy makers to identify industries and products with high potential for further economic development. The new paradigm of this interdisciplinary application of basic science in economics is a trend in the era of network. The Product Space and the Scale-free Network along with " Atlas” can provide a new paradigm and framework for national trade strategy, industrial upgrading and regional industrial specialization and cooperation.