Experimental evidence of sophisticates' (as opposed to naifs') insight into, and use of, precommitment strategies (i.e., self-imposed costly deadlines) to address their own procrastination self-control problems. Also shows performance benefits from self-inducing costly deadlines.

First empirical demonstration (using experimental, field, and market-level data) in the self-control literature of how consumers apply precommitment strategies to control their consumption of vice and virtue goods.