... performance feedback on judgmental forecasting accuracy. Design/methodology/approach This paper is based on a controlled laboratory experiment. Findings The authors show that feedback that ranks the forecasting performance of participants improves their accuracy compared with the forecasting accuracy...

.... Originality/value – There has been little theoretical or empirical work on queuing systems with captive repeat customers. This study contributes to the understanding of decision making in such systems, using laboratory experiments based on the cellular automata approach, but with all agents replaced...