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Cách mà đổi mới công nghệ điện ảnh hưởng đến năng suất carbon? Một góc nhìn không gian tại Trung Quốc
Tóm tắt
Đổi mới công nghệ điện được xác định là một cách hiệu quả để góp phần nâng cao năng suất carbon của Trung Quốc. Tuy nhiên, bằng chứng thực nghiệm về tác động của đổi mới công nghệ điện đối với năng suất carbon vẫn còn hạn chế. Do đó, dựa trên bộ dữ liệu bảng hàng năm của 30 tỉnh Trung Quốc từ năm 2001 đến 2019, nghiên cứu này đã khám phá xem đổi mới công nghệ điện có thúc đẩy hoặc cản trở sự cải thiện của năng suất carbon hay không, và nếu có thì bằng cách nào. Đầu tiên, năng suất carbon trong khuôn khổ yếu tố tổng thể được tính toán dựa trên chỉ số năng suất metafrontier Malmquist-Luenberger. Thứ hai, tác động của đổi mới công nghệ điện đến năng suất carbon đã được nghiên cứu bằng cách sử dụng mô hình Durbin không gian. Chúng tôi cũng đã xem xét liệu các đổi mới công nghệ điện không đồng nhất có tác động hiệp lực đến năng suất carbon hay không. Thứ ba, cơ chế ảnh hưởng của đổi mới công nghệ điện đến năng suất carbon đã được xác định. Kết quả cho thấy rằng (1) có sự khác biệt đáng chú ý về năng suất carbon giữa các tỉnh của Trung Quốc, điều này được đặc trưng bởi sự tương quan không gian. (2) Đổi mới công nghệ điện tại các địa phương có tác động thúc đẩy đến năng suất carbon tại cả tỉnh địa phương và tỉnh lân cận. Hơn nữa, tác động thúc đẩy từ đổi mới công nghệ điện đột phá mạnh hơn so với đổi mới công nghệ điện gia tăng. (3) Hiệu ứng bắt kịp và Hiệu ứng đổi mới là những kênh truyền tải quan trọng thông qua đó đổi mới công nghệ điện cải thiện năng suất carbon. Cuối cùng, các khuyến nghị chính sách được đưa ra.
Từ khóa
#đổi mới công nghệ điện #năng suất carbon #Trung Quốc #mô hình Durbin không gian #hiệu ứng hiệp lựcTài liệu tham khảo
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