Table 7 The governance dimensions and the related problems on national level
| Governance dimensions | Problem-types | Discontinuation issues |
|---|---|---|
| Policy instruments | Exiting strategy | Positive vs. negative sanctions |
| Burdens of/for users | Costs of discontinuation | |
| Implementation | Burden replacing technology | Need for improvement |
| Burdens of infrastructure | Retrofitting | |
| Strictness | Burden replacing technology | Performance issues |
| Need for improvement | ||
| Policy level | Existing regulations | Supranational level |