Session-specific features of a laboratory experiment, if those exist, do not disappear by clustering standard errors at … typical controlled laboratory experiment where subjects make choices in the same environment repeatedly, clustering at a …

become controversial in the wake of recent demonstrations showing that this type of regression is prone to bias in small … samples. Bias may even remain when units are sampled from a larger population of infnite size. This paper uses a combination … of simulated and actual examples to show that, as a practical matter, bias tends to be negligible when the sample size is …

In a recent study, Beccarini showed that one can eliminate or reduce the bias in OLS regression estimators caused by an …, then elimination or reduction of the bias requires the estimation of a K-component mixture model. In his Monte Carlo …

, therefore Monte Carlo experiments are provided in order to explore the performance of the method. A companion software is …