8 questions on "Determinants and intervention: five possible interventions"
- Physical (fence in street to stop sneak-traffic)
- Financial/economic (stimulate demand, more expensive, subsidies)
- Legal (permit, academic grade (diploma), certification)
- Empowerment (with technology, legal rights, budgets, information
- Legal (permits, standards, obligatory procedures of evaluation, non-financial sanctions)
- Financial (financiel penalties/rewards)
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- 100% sure, 100% understanding