title: Editorial: Relaunch of the journal.
authors.affiliation: Universidade Nova de Lisboa, Lisbon, Portugal.
authors.forename: Pedro Pita
authors.initials: PP
authors.lastname: Barros
authors.affiliation: Northwestern University, Evanston, USA.
authors.forename: Leemore
authors.initials: L
authors.lastname: Dafny
authors.affiliation: University of Pennsylvania, Philadelphia, USA.
authors.forename: Guy
authors.initials: G
authors.lastname: David
authors.affiliation: Northwestern University, Evanston, USA.
authors.forename: David
authors.initials: D
authors.lastname: Dranove
authors.affiliation: University of Pennsylvania, Philadelphia, USA.
authors.forename: Mark
authors.initials: M
authors.lastname: Pauly
authors.affiliation: University of Pennsylvania, Philadelphia, USA.
authors.forename: Robert
authors.initials: R
authors.lastname: Town