🧵4/6 POLICY ANALYSIS: WHAT THE RESEARCH SHOWS
🔍 Multiple studies confirm carbon taxes and Emissions Trading Systems (ETS) reduce emissions over the long term.
mdpi.com
Carbon pricing also boosts renewable energy development (trading schemes often show stronger overall effects than taxes alone in some analyses).
sciencedirect.com
However, average “c-efficiency” is low (~0.29), meaning many schemes don’t fully capture their potential tax base.
taxfoundation.org
🧵5/6 CHALLENGES & GAPS
✅Many carbon prices are still $10–60/t vs. the $50–100 /t range experts say is needed by 2030 for strong impact.
✅Over 70% of emissions remain underpriced or effectively subsidized.
✅Success depends heavily on revenue recycling (returning money to households or investing in green tech) and pairing with other policies.
📙Longer implementation periods and higher prices deliver better results.
🧵6/6 YOUR TURN – LET’S DISCUSS
Does your country have carbon pricing or similar policies?
Has it changed energy costs, innovation, or daily life for better or worse?
Reply with your thoughts or local examples
Data from World Bank, OECD, Global Carbon Project & peer-reviewed studies.
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