1 Overview of Behavioral Economics and Policy -- 2 The Four Pillars of Behavioral Paternalism -- 3 Failing Better: What We Learn by Confronting Risk and Uncertainty -- 4 Behavioral Nudges and Consumer Technology -- 5 Private-Sector Nudging: The Good, the Bad, and the Uncertain -- 6 Who Should...

We develop an optimal policy assignment rule that integrates two distinctive approaches commonly used in economics--targeting by observables and targeting through self-selection. Our method can be used with experimental or quasi-experimental data to identify who should be treated, be untreated,...