In light of the interest in axiomatic models of decision making in recent years, one is led to ask, in what ways do axiomatic derivations advance positive economics? If economists are interested in predicting how people behave, without a pretense to change individual decision making, how can...

"This is the first of two volumes containing papers and commentaries presented at the Eleventh World Congress of the Econometric Society, held in Montréal, Canada in August 2015. These papers provide state-of-the-art guides to the most important recent research in economics today. This book...