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Keywords: 双重/去偏机器学习的差分中差分(DMLDiD
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Journal Articles
Journal of Hospitality and Tourism Technology (2025) 16 (2): 326–345.
Published: 18 October 2024
...响, 旨在揭示数字连接在促进旅游活动方面的转型潜力。 研究方法 本研究采用严格的基于双重/去偏机器学习的差分中差分(DMLDiD)方法, 并利用广泛的面板数据, 定量分析了宽带对家庭旅游参与及资金分配的影响。研究还进行了全面的稳健性检验, 包括安慰剂测试和算法变异, 以确保结果的有效性。 研究发现 在拥有宽带接入的家庭中, 结果显示旅游参与率和旅游相关支出分别显著增加了3.54%和31.24%。本研究将这些结果归因于家庭收入的增加、在线交易的便利性以及信贷约束的缓解, 且在城乡和不同人口类别之间的影响存在显著差异。此外, 婚姻状况和家庭规模的调节效应表明, 已婚家庭和成员较多的...
