Analysis of the Jones, modified Jones, Kasznik and Kothari et al. models
| Model | Variable | Expected sign* | Estimated coefficient*** | Result | The final interpretation of the model |
|---|---|---|---|---|---|
| Jones (1991) | ∆REV | Positive** | Positive | Compatible | Incompatible model coefficient |
| PPE | Negative | Positive | Incompatible | ||
| Modified Jones (Dechow et al., 1995) | ∆REV–∆REC | Positive | Negative | Incompatible | Incompatible model coefficient |
| PPE | Negative | Positive | Incompatible | ||
| Kasznik (1999) | ∆REV–∆REC | Positive | Positive | Compatible | Compatible model coefficient |
| PPE | Negative | Negative | Compatible | ||
| ∆CFO | Negative | Negative | Compatible | ||
| Kothari et al. (2005) | ∆REV | Positive | Positive | Compatible | Incompatible model coefficient |
| PPE | Negative | Positive | Compatible | ||
| ∆ROA | Positive | Negative | Compatible |
| Model | Variable | Expected sign* | Estimated coefficient*** | Result | The final interpretation of the model |
|---|---|---|---|---|---|
| ∆ | Positive** | Positive | Compatible | Incompatible model coefficient | |
| Negative | Positive | Incompatible | |||
| Modified Jones ( | ∆ | Positive | Negative | Incompatible | Incompatible model coefficient |
| Negative | Positive | Incompatible | |||
| ∆ | Positive | Positive | Compatible | Compatible model coefficient | |
| Negative | Negative | Compatible | |||
| ∆ | Negative | Negative | Compatible | ||
| ∆ | Positive | Positive | Compatible | Incompatible model coefficient | |
| Negative | Positive | Compatible | |||
| ∆ | Positive | Negative | Compatible |
Note(s): * The expected sign is according to the theoretical framework; this variable's sign must be positive or negative
** The expected coefficients are extracted from the theoretical framework of the research
*** The estimated coefficients are extracted from the research calculation information
Source(s): Authors' own calculations