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🪵 The Threshold

Philippe Aghion, Alberto Alesina, and Francesco Trebbi — Endogenous Political Institutions

16 min read

Philippe Aghion, Alberto Alesina, and Francesco Trebbi — Endogenous Political Institutions

Yield

63 of 317 paragraphs kept (19.9%). Target: 35%+ — ⚠️ BELOW target.

Thesis

Majority rule has no automatic superiority over supermajority rules in constitutional theory · ch. 0

Argument

  1. Constitutional design varies in how insulated policymakers are from ex post control — ch. 0
  2. Constitutional insulation choices depend on voter preferences, uncertainty, risk aversion — ch. 0
  3. Constitutions must balance unchecked leader power against legislative paralysis — ch. 0
  4. Vote thresholds set how insulated leaders are from opposition — ch. 0
  5. Constitutional choices made by informed incumbents diverge from social optimum — ch. 0
  6. A distinct literature studies how polities endogenously choose their own voting rules — ch. 0
  7. The blocking-minority threshold is the decisive lever in constitutional design — ch. 0
  8. Insulation thresholds determine whether leaders can pass reforms or expropriate — ch. 1
  9. Supermajority debate pits fear of tyranny against majority rule as democracy — ch. 2
  10. Constitutional restraints on expropriation inevitably impair governing capacity — ch. 2
  11. Coordinating reform requires a leader, and leaders exploit that necessity — ch. 2
  12. Under a veil of ignorance, risk-neutral voters act as the average voter — ch. 2
  13. Insulating leaders raises reform odds but also expropriation risk — ch. 2
  14. Weak property-rights protection makes policy insulation less valuable — ch. 2
  15. Unanimity rules stop expropriation but also block all non-Pareto legislation. — ch. 2
  16. Voters form settled preferences about reforms only as reform unfolds — ch. 2
  17. Voter preferences over constitutional insulation are single-peaked — ch. 2
  18. Aggregate uncertainty about reform outcomes strengthens status quo bias — ch. 2
  19. Electoral rules shape how many constraints bind governing parties. — ch. 2
  20. Courts defending property rights repeatedly stalled US welfare-state expansion. — ch. 2
  21. Reform insulation rises with blocking thresholds and falls with aggregate uncertainty — ch. 2
  22. Closed amendment rules concentrate strategic power in the executive — ch. 2
  23. American-style constitutions predict political freedom better than British ones — ch. 2
  24. Lowering the bar for citizens to block reforms trades efficient reform for heavier taxation — ch. 2
  25. Expropriation requires buying off a fraction of the population — ch. 2
  26. Insulation of a half guarantees majority rule tracks ex ante utilitarian welfare — ch. 2
  27. Democracy is defined by constraints on rulers, not by elections alone. — ch. 2
  28. Insulation of leaders can be summarized by the legislative majority required — ch. 2
  29. Risk aversion alone produces an interior solution without expropriation — ch. 4
  30. Polarization among the poorest can both increase and decrease support for reform — ch. 4
  31. Compensating reform losers requires distorting taxes fixed before outcomes are known. — ch. 5
  32. More risk-averse voters prefer less insulated systems so reforms stay blockable. — ch. 5
  33. Targeted side-payments to pivotal voters make reform affordable only where preferences stay observable. — ch. 5
  34. Greater polarization pushes voters to reduce insulation against policy reform. — ch. 5
  35. Fractionalization indices measure the odds two random citizens differ by group. — ch. 7
  36. Real constitution-writing is bargaining among unequally affected parties, not impartial design. — ch. 7
  37. Presidential regimes produce more discretionary fiscal policy than parliamentary ones — ch. 7
  38. Politically dominant groups knowingly design more insulated institutions. — ch. 7
  39. Presidential systems concentrate power because they have fewer veto players — ch. 7
  40. Weak property rights let insulated leaders expropriate for themselves and allies. — ch. 7
  41. Weak tax capacity and targeting problems push developing states toward insulated governments. — ch. 7
  42. Veil-of-ignorance results hold across alternative modelling strategies — ch. 7
  43. Ethnically fragmented societies choose political institutions that insulate dominant groups. — ch. 7
  44. Constitutions need larger supermajorities because voters fear radical rule changes. — ch. 7
  45. Racial fragmentation is measured by competing linguistic and ethnic indices. — ch. 7
  46. Institutional insulation resists clean measurement across many countries. — ch. 7
  47. Ethnically fractionalized countries tilt toward less democratic, more presidential rule — ch. 7
  48. Under majority rule the median voter dictates the level of political insulation. — ch. 7
  49. Expropriation is easy while targeted compensation demands sophisticated state capacity. — ch. 7
  50. Income and colonial legal origin shape how fragmented states adopt presidentialism — ch. 7
  51. Ethnic fractionalization raises the probability a state is less democratic — ch. 7
  52. High inflation drives countries to insulate monetary policy from democratic control — ch. 8
  53. Constitutions written when voting rights were narrow protect property from redistribution — ch. 8
  54. Richer economies need fewer large reforms and choose lower institutional insulation — ch. 8
  55. Insulation levels shape leader incentives and voter selection jointly — ch. 8
  56. Elites design insulated constitutions to lock in favorable property-rights treatment — ch. 8
  57. Wartime routinely suspends democratic rule even in democratic countries — ch. 8
  58. Low political insulation delays fiscal reforms in advanced democracies — ch. 8
  59. Constitutional designers protect property from majority rule using supermajorities and courts — ch. 8
  60. Crises push democratic systems toward less accountability and more concentrated power — ch. 8
  61. FDR’s court-packing threat made the Supreme Court yield on social policy — ch. 8

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