@inbook {31519,
	title = {Foreword},
	booktitle = {Social Choice and Individual Values, third edition},
	year = {2012},
	pages = {v-ix},
	publisher = {Yale University Press},
	organization = {Yale University Press},
	edition = {3},
	address = {NJ},
	author = {Eric Maskin and Kenneth J. Arrow}
}
