We discuss ways to cope with uneven expected lab earnings that are the likely results of role assignments. We identify three problems associated with uneven earnings in the lab: of social preferences, of low marginal return for effort, and of perceived deception. Mining the opinions of...

To discuss experimental results without discussing how they came about makes sense when the results are robust to the way experiments are conducted. Experimental results, however, are - arguably more often than not - sensitive to numerous design and implementation characteristics such as the use...