Public Finance: Enforcement

Brandon Williams

Development Economics

November 5, 2024

Public Finance: Enforcement

Development Economics

November 5, 2024

No Taxation Without Information (2015)

  • In order to effectively tax transactions, the government needs to observe them
    • Particularly difficult in developing countries
    • Value Added Tax (VAT) offered a solution to imperfect observation
      • Firms pay on difference between sales and input costs
      • A "paper trail" is created because input costs include the sales from suppliers, generated through receipts
      • A risk of cross-checks deters fraud reporting (and have opposite incentives for mis-reporting)
      • No reason for this to hold once sold to the consumer
  • Two experiments in Chile:

Public Finance: Enforcement

Development Economics

November 5, 2024

No Taxation Without Information (2015)

  • Two experiments in Chile:
    • Letter Message - letters that signal a higher possibility of audit
      • Does not analyze the policy but rather the underlying behavioral mechanism
      • If there is already a paper trail deterrence, we should see little change

Public Finance: Enforcement

Development Economics

November 5, 2024

No Taxation Without Information (2015)

Big jump indicates that there was scope to increase payments

Public Finance: Enforcement

Development Economics

November 5, 2024

No Taxation Without Information (2015)

Sales respond

Public Finance: Enforcement

Development Economics

November 5, 2024

No Taxation Without Information (2015)

Input costs do not -

paper trail deterrence

Sales respond

Public Finance: Enforcement

Development Economics

November 5, 2024

No Taxation Without Information (2015)

Sales respond

Input costs do not -

paper trail deterrence

Firm to firm sales see little change

Public Finance: Enforcement

Development Economics

November 5, 2024

No Taxation Without Information (2015)

Sales respond

Input costs do not -

paper trail deterrence

Firm to firm sales see little change

Concentrated in sales to consumers

Public Finance: Enforcement

Development Economics

November 5, 2024

No Taxation Without Information (2015)

  • Two experiments in Chile:
    • Letter Message - letters that signal a higher possibility of audit
      • Does not analyze the policy but rather the underlying behavioral mechanism
      • If there is already a paper trail deterrence, we should see little change
      • Generates a strong increase in VAT
      • Much more impactful for sales to consumers than to firms
    • Spillover - announce that an audit is coming and look at both firms that were notified and those that weren't
      • Can we find evidence of the self-enforcing mechanism?

Public Finance: Enforcement

Development Economics

November 5, 2024

No Taxation Without Information (2015)

Spillover effect increases payment

Public Finance: Enforcement

Development Economics

November 5, 2024

No Taxation Without Information (2015)

Spillover effect increases payment

Especially in suppliers

Public Finance: Enforcement

Development Economics

November 5, 2024

No Taxation Without Information (2015)

Spillover effect increases payment

Especially in suppliers

But not in clients - direction of the spillover up the chain

Public Finance: Enforcement

Development Economics

November 5, 2024

No Taxation Without Information (2015)

  • Two experiments in Chile:
    • Letter Message - letters that signal a higher possibility of audit
      • Does not analyze the policy but rather the underlying behavioral mechanism
      • If there is already a paper trail deterrence, we should see little change
      • Generates a strong increase in VAT
      • Much more impactful for sales to consumers than to firms
    • Spillover - announce that an audit is coming and look at both firms that were notified and those that weren't
      • Can we find evidence of the self-enforcing mechanism?
      • Supplier firms increase their VAT payments
    • Overall, VAT paper trail acts as substitute to own audit probability, and effectiveness is multiplied through spillover

Dev.Slides.11.05

By bjw95

Dev.Slides.11.05

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