Exemptions from costly policy measures are frequently applied to alleviate financial burdens to specific market participants. Using a stated-choice experiment with around 6,000 German household heads, we test how exemptions for lowincome households and energy-intensive companies influence the...

We use economic experiments to investigate how different contract enforcement regimes affect efficiency and the distribution of surplus in a vertically coordinated market with buyer concentration. We find that if a third party (e.g., government) perfectly enforces contracts, social efficiency is...