Written in honor of Peter C.B. Phillips of Yale University by some of his former students, these essays analyze a number of state of the art issues in econometrics, all of which Professor Phillips has directly influenced through his scholarly contribution as well as through his remarkable achievements as a teacher. The essays are organized to cover topics in higher-order asymptotics, deficient instruments, nonstationary, LAD and quantile regression, and nonstationary panels. These topics span both theoretical and applied approaches and are intended for use by professionals and advanced...