High-speed rail, urban form, and regional innovation: a time-varying difference-in-differences approach
Keyword(s):
Keyword(s):
2019 ◽
Vol 2673
(9)
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pp. 323-333
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1998 ◽
Vol 120
(4)
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pp. 997-1002
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Keyword(s):
Keyword(s):
2021 ◽
Vol 167
◽
pp. 120697
2019 ◽
Vol 10
(2)
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pp. 95-104