02-01-006How much is a better decision worth?An experiment can be valid and still unnecessary. A worked example of the value of information, the cost of waiting and the choice to act.02-01-007From Little’s Law to Marketing Science, reviewed: what Chapter 3 still gets right, and what 2027 changesA review of the John Little Festschrift, fifteen chapters on making marketing models that managers use, and an opinionated 2027 update to its chapter on strategic marketing metrics.