In online advertising, advertisers purchase ad placements by participating in a long sequence of repeated auctions. One of the most important features advertising platforms often provide, and advertisers often use, is budget management, which allows advertisers to control their cumulative...

Expanding access to preschool has been one of the most effective policy initiatives by state and federal governments over the past generation. Studies show quality preschools serving children from poor families lift early learning. Families and government spend about $47 billion yearly on...

The twenty-first edition of the Heritage Foundation's popular survey of economic libertyThe results of the 2015 Index of Economic Freedom confirm that the significant rebound in world economic freedom reported in the 2014 Index was no fluke. While the growth in economic freedom has slowed over...

Billions of dollars worth of display advertising are sold via contracts and deals. This paper is the first formal study of preferred deals, a new generation of contracts for selling online advertisement that generalize the traditional reservation contracts; these contracts are suitable for...