Hao, Xu ; Marlon, Seror ; Marlon, Seror ; Stephan, Heblich ; Stephan, Heblich ; Yanos, Zylberberg ; Yanos, Zylberberg. (2019) Industrial clusters in the long run: evidence from Million-Rouble plants in China.
In: CESifo Working Paper Series. RePEc:ces:ceswps:_7682.

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Factory (1) (2) (3) Penalized distance 0.143 0.148 0.261 (0.039) (0.039) (0.044) Observations 430 430 430 Propensity bins No Yes Yes Extended controls No No Yes Notes: Standard errors are clustered at level of 4-degree × 4-degree cells. The unit of observation is a county (Administrative level 3). Penalized distance is the normalized distance to the main military U.S. and Taiwanese airfields penalized by proximity to U.S.S.R. and North Korean airfields. Extended controls include all matching controls, i.e., travel cost to resources (coal, coke, ore), proximity to a rail hub, whether the county is a provincial capital, population in 1953 (log), county area (log), and additional controls, i.e., travel cost to major ports (through the river network), proximity to Ming-dynasty courier stations, cities in 1900, distance to military airfields) and penalized distance to enemy airfields in 1964. Table 2. The 156 Million-Rouble Plants: sector, construction period and initial investment.