## Developed Countries
• Transport Sector:
• Pricing: Most successful individually (20%)
Subsidies: Highly effective when combined with pricing (33%).
• Electricity Sector:
• Regulation: Most effective as a stand-alone policy (33%).
• Pricing: A key component in successful policy mixes (50%).
• Subsidies: Not effective as a stand-alone policy.
• Pricing: Most effective when used alone (43%).
• Subsidies: Can be a valuable complement to other policies.
• Buildings Sector:
• Subsidies: Slightly dominant, effective both individually and in combinations.
• Variety of Instruments: Broad set of policies can be similarly effective.
## Developing Countries
• Transport Sector:
• Regulation: Most powerful as a stand-alone policy (33%) and in combination with subsidies, pricing, and information (33% each).
• Electricity Sector:
• Subsidies: Most powerful as a stand-alone policy (67%).
• Complementarities: No effective policy combinations detected.
• Industry Sector:
• Pricing: Shows the most synergy with other policies (50%).
• Subsidies: Effective complement in policy mixes.
• Buildings Sector:
• Regulation: Most effective as a stand-alone policy.
• Variety of Instruments: Broad set of policies can be effective, with a slight emphasis on regulation.