Analysis of the impact of talent introduction policies on urban development based on a multi-period difference-in-differences model: a case study of the yangtze river delta urban agglomeration

HIGHLIGHTS

• What: The contributions of this study are as follows: Currently, the academic community has paid limited attention to evaluating the effectiveness of talent introduction policies using difference-in-differences models, with most studies focusing on the post2010 period. The aim of the LDA model is to estimate these distributions from observed document-word data and to uncover the latent thematic structure within a collection of documents. The authors propose the following research hypothesis: Hypothesis 1: Talent introduction policies have a positive effect on urban economic growth. Given the wide distribution and substantial differences among cities in the . . .
  

   

  

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