The safety nets in high-income countries before 1900 and in low-income countries today were based on savings and aid from extended family, friends, charities, churches, and small amounts from local governments. Mutual societies and eventually insurance companies offered insurance against lost...

This article explores subjects in optimal income taxation characterized by recent research interest, practical importance in light of concerns about inequality, potential for misunderstanding, and prospects for advancement. Throughout, the analysis highlights paths for further investigation....

We study a fundamental reform of the public Disability Insurance (DI) system in Germany. Effective 2001, cohorts born after 1960 are no longer eligible for "occupational DI." Occupational DI (ODI) implies benefit eligibility when health shocks prevent employees from working in their previous...

The claim that social protection is a luxury good--with a national income elasticity exceeding unity--has as been influential. The paper tests the "luxury good hypothesis" using newly-assembled data on social protection spending across countries since 1995, treating the pandemic period...