Table:
manufacturing
wholesale trade

canadian-owned
immigrant-owned
canadian-owned
immigrant-owned

share in imports
91.60
8.40
87.32
12.68

firm extensive margin

coefficient
0.507
0.462
0.503
0.467

standard error
0.017
0.016
0.015
0.011

product extensive margin

coefficient
0.371
0.375
0.373
0.378

standard error
0.003
0.008
0.003
0.005

density

coefficient
-0.399
-0.407
-0.376
-0.394

standard error
0.031
0.025
0.029
0.021

intensive margin

coefficient
0.522
0.571
0.501
0.549

standard error
0.015
0.017
0.013
0.013

Statement: when immigrant-owned and canadian-owned firms are compared, the contribution of the firm extensive margin is smaller.
Question: which firm margin's contribution is smaller when immigrant-owned and canadian-owned firms are compared?
Answer: firm extensive margin