This volume on experimental economics offers both new research grounds and a bird's eye view on the field. In the first part, leading experimental economists, among them Vernon S. Smith and Daniel Friedman, give inspiring insights into their view on the general development of this field. In the...

'Until not much more than 20 years ago, economists frequently lamented the fact that they were limited in their empirical analyses to statistical assessments of market behavior, because controlled economic experiments were (thought to be) infeasible, unethical, or both. Much has changed in the...

This paper considers factor estimation from heterogenous data, where some of the variables are noisy and only weakly informative for the factors. To identify the irrelevant variables, we search for zero rows in the loadings matrix of the factor model. To sharply separate these irrelevant...