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<p>As the important growth poles, national new areas are key to regional economy. To examine the Sinicization of Growth Pole theory, we investigate the radiative driving effects of China’s 19 national new areas on their hinterland by a multi-period double difference method with bidirectional fixed effects. The results indicate that China’s national new areas have a positive radiative driving effect on their hinterland. In terms of marginal effects, general expenditure in Binhai New Area shows a cubic relationship with its hinterland, whereas in other China’s national new areas, this cubic relationship is observed in relation to population scale. Population scale in most of national new areas has a positive marginal effect on economy in their hinterland. Through policies, innovation, and markets, these national new areas have produced significant positive spatial spillover effects and proximity effects on their hinterland.</p>

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The Sinicization of Growth Pole Theory: Evidences from National New Areas in China’s Mainland

  • 期刊论文

  • 发表日期：

    2026年7月17日

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  • Zhibao Wang,
  • Yi Zheng,
  • Lijie Wei,
  • Ping Wang

摘要

As the important growth poles, national new areas are key to regional economy. To examine the Sinicization of Growth Pole theory, we investigate the radiative driving effects of China’s 19 national new areas on their hinterland by a multi-period double difference method with bidirectional fixed effects. The results indicate that China’s national new areas have a positive radiative driving effect on their hinterland. In terms of marginal effects, general expenditure in Binhai New Area shows a cubic relationship with its hinterland, whereas in other China’s national new areas, this cubic relationship is observed in relation to population scale. Population scale in most of national new areas has a positive marginal effect on economy in their hinterland. Through policies, innovation, and markets, these national new areas have produced significant positive spatial spillover effects and proximity effects on their hinterland.