| Variables | Big Firms (Firms with SIZE above sample medium) | Small Firms (Firms with SIZE below sample medium) | |||||||||
| String firms | Non-string firms | Difference in means | t-stat for Difference in means | String firms | Non-string firms | Difference in means | t-stat for Difference in means | ||||
| Cost Flexibility | 0.93 | 0.83 | 0.10 | 5.88 | *** | 0.84 | 0.56 | 0.28 | 8.03 | *** | |
| Demand Uncertainty | 0.14 | 0.24 | −0.10 | −73.93 | *** | 0.19 | 0.39 | −0.20 | −72.82 | *** | |
| N | 51,140 | 50,839 |
|
|
| 8417 | 46,929 |
|
|
| |
| Number of Firms | 2175 | 5172 |
|
|
| 585 | 6762 |
|
|
| |