Results of the literature review
| Sustainability assuror | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Determinants | ||||||||||
| Audit firm | Big Four audit firm | Financial auditor as sustainability assuror*/joint audit | ||||||||
| Determinants [independent variable(s)] | + | − | ± | + | − | ± | + | − | ± | Consequences for firm value [dependent variable(s)] |
| Governance determinants: | ||||||||||
| (1) Board composition: | 5 | 2 | 11 | 6 | 1 | 5 | 0 | 0 | 0 | |
| (2) Stakeholder influence: | 0 | 0 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | |
| (3) Country governance: | 3 | 1 | 3 | 1 | 0 | 7 | 0 | 0 | 1* | |
| Financial determinants | 1 | 1 | 2 | 4 | 0 | 3 | 0 | 0 | 0 | |
| Sustainability determinants | 0 | 0 | 4 | 6 | 1 | 5 | 0 | 0 | 0 | |
| Total | 9 | 4 | 20 | 22 | 2 | 21 | 0 | 0 | 1 | |
| Consequences on firm value | ||||||||||
| Audit firm | Big Four audit firm | Financial auditor as sustainability assuror*/joint audit** | ||||||||
| + | − | ± | + | − | ± | + | − | ± | ||
| 5 | 4 | 8 | 5 | 0 | 1 | 3** | 2** | 0 | Financial consequences | |
| 4 | 0 | 6 | 3 | 1 | 0 | 2** | 0 | 1* | Sustainability consequences | |
| 9 | 4 | 14 | 8 | 1 | 1 | 5** | 2** | 1* | Total | |
| Sustainability assuror | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Determinants | ||||||||||
| Audit firm | Big Four audit firm | Financial auditor as sustainability assuror*/joint audit | ||||||||
| Determinants [independent variable(s)] | + | − | ± | + | − | ± | + | − | ± | Consequences for firm value |
| (1) Board composition: | 5 | 2 | 11 | 6 | 1 | 5 | 0 | 0 | 0 | |
| (2) Stakeholder influence: | 0 | 0 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | |
| (3) Country governance: | 3 | 1 | 3 | 1 | 0 | 7 | 0 | 0 | 1* | |
| Financial determinants | 1 | 1 | 2 | 4 | 0 | 3 | 0 | 0 | 0 | |
| Sustainability determinants | 0 | 0 | 4 | 6 | 1 | 5 | 0 | 0 | 0 | |
| Total | 9 | 4 | 20 | 22 | 2 | 21 | 0 | 0 | 1 | |
| Audit firm | Big Four audit firm | Financial auditor as sustainability assuror*/joint audit** | ||||||||
| + | − | ± | + | − | ± | + | − | ± | ||
| 5 | 4 | 8 | 5 | 0 | 1 | 3** | 2** | 0 | Financial consequences | |
| 4 | 0 | 6 | 3 | 1 | 0 | 2** | 0 | 1* | Sustainability consequences | |
| 9 | 4 | 14 | 8 | 1 | 1 | 5** | 2** | 1* | Total | |
Source(s): Table by author
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