| Value | Category | 
|---|---|
| -9 | Don't know | 
| -8 | Refused | 
| -7 | NO COMPETITORS | 
| 1 | My firm's technology is less advanced than that of my main competitor | 
| 2 | My firm's technology is about the same as that of my main competitor | 
| 3 | My firm's technology is more advanced than that of my main competitor | 
| Sysmiss |