"This book contains an in-depth quantitative analysis of the development of the COVID-19 epidemic in China from its very beginning in December 2019 to early April 2020 when it was brought under control. It begins with adjustments of the official cumulative data on newly confirmed cases and...

We study the welfare effects of disability insurance (DI) and derive social-optimality conditions for the two main DI policy parameters: (i) DI eligibility rules and (ii) DI benefits. Causal evidence from two DI reforms in Austria generate fiscal multipliers (total over mechanical cost...

This paper examines the impacts of the Affordable Care Act (ACA) - which substantially increased insurance coverage through regulations, mandates, subsidies, and Medicaid expansions - on behaviors related to future health risks after three years. Using data from the Behavioral Risk Factor...