Please answer True, False, or Uncertain and give proper reasoning for the same. Thank you in advance

4. Social norms are always efficient because they are the product of collective choices that reflect the views of most community members. 5. Policymakers should always prefer means-tested social protection programs (which identify poor households and transfer benefits to them) than universal programs (which transfer benefits to all households). 7. Developing country governments seeking to raise tax revenue should see higher tax rates and better enforcement as alternative ways to achieve this goal (lg, as substitutes rather than complements). 10. Poor households pay very high interest rates because lenders think they are inherently untrustworthy. 13. Limiting the number of terms a politician can serve may be bad for economic development. 14. Allowing multiple government offices to provide the same service (sghpassport approval) can reduce corruption