Table 4
Mean comparison between plants with ownership change (OC) and plants without ownership change

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Mean comparison between plants with ownership change (OC) and plants without ownership change
  Domestic-owned plants Foreign owned plants Is (4) significantly different from (2)?
No OC (1) With OC (2) Is (2) significantly different from (1)? No OC (3) With OC (4) Is (3) significantly different from (4)?
  mean   mean    
Variables  
Plant knowledge intensity 0.54714 1.01387 Yes 1.07592 1.14106 Yes Yes
Plant size 2.43223 5.80354 Yes 5.67927 5.91457 No No
Plant number of products 1.50636 2.21462 Yes 2.24541 2.35824 Yes Yes
Plant age 10.21261 13.11184 Yes 14.38715 15.12471 Yes Yes
Plant age for older plants 24.06918 25.22072 Yes 24.70538 24.84175 No Yes
Unrelated plant binary variable 0.02808 0.14090 Yes 0.20330 0.25836 Yes Yes
Change in plant knowledge intensity -0.05925 -0.01363 Yes -0.022628 -0.00797 Yes No
Change in plant size 0.00009 0.00011 No 0.00010 -0.00006 Yes Yes
Change in plant wage rate 0.00813 0.00271 Yes 0.00424 0.00009 No No
Change in plant profit rate -0.02571 -0.00556 No -0.00095 -0.17299 Yes No
Relative industry knowledge intensity 0.90593 1.03206 Yes 1.16683 1.17121 No Yes
Relative industry plant size 0.89727 1.48489 Yes 1.77588 1.76953 No Yes
Relative industry wage rate 0.89581 0.95834 Yes 0.99838 0.98198 Yes Yes
Relative industry profit rate 0.85142 0.92590 Yes 1.00164 0.99569 Yes Yes
Diagnostic statistics  
Number of observations 360,419 6,118 46,591 3,321