Intro -- Contents -- I. INTRODUCTION -- II. ACE TAX SYSTEMS -- III. ACE SYSTEMS IN PRACTICE -- IV. PREVIOUS ANALYSES OF ACE TAX SYSTEMS -- V. THE BRAZILIAN ACE VARIANT -- VI. CONCLUSION -- Appendix I. Effective Tax Rates -- REFERENCES.

Intro -- Contents -- I. INTRODUCTION -- II. DEBT SUSTAINABILITY ANALYSIS AND RISK -- III. DEBT DYNAMICS AND THE CONDUCT OF FISCAL POLICY -- IV. RISKS TO DEBT SUSTAINABILITY IN FIVE EMERGING MARKET ECONOMIES -- V. CONCLUSION -- Appendix -- REFERENCES.

Cover -- Contents -- Foreword -- Part I: How Digital Giants AreCreating the New Economy -- Chapter 1: The Brave New Digital World -- Chapter 2: Why Companies Miss Out on Big Opportunities -- Chapter 3: Everything Is Changing -- Chapter 4: Scale and Scope in the Digital Economy -- Chapter 5: The...

We study the incentive of an ad-funded social media platform to curb the presence of unsafe content that entails reputational risk to advertisers. We identify conditions for the platform not to moderate unsafe content and demonstrate how the optimal moderation policy depends on the risk the...