Can the establishment of an innovative city improve the level of technological entrepreneurship?

In terms of dynamic effects, in the first and second years of the establishment of innovative pilot cities, although the coefficients failed the significant test, the impact on science and technology entrepreneurship has shown an increasing trend.

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In addition, the impact of the establishment of innovative cities on entrepreneurship has shown an overall trend of improvement in terms of the value of coefficients.

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[ 28 ] found that when using the multi-point DID model for empirical analysis, there may be significant estimation bias due to the presence of a "heterogeneous processing effect." To this end, this paper uses the twowayfeweights command in STATA software to test the possible "heterogeneity" of the model, drawing on the practice of De Chaisemartin et al.

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