This volume presents five new studies on current topics in taxation and government spending. Mark Shepard, Katherine Baicker, and Jonathan Skinner explore implementation aspects of a Medicare-for-All program, which provides a uniform health insurance benefit to everyone, and contrast it with a program providing a basic benefit that can be supplemented voluntarily. John Beshears, James Choi, Mark Iwry, David John, David Laibson, and Brigitte Madrian...