Choice bracketing

What is Choice Bracketing?

Choice bracketing concerns which decisions a person evaluates together. Narrow bracketing treats a choice separately; broad bracketing considers its consequences alongside other choices.

Narrow and Broad Bracketing

Read, Loewenstein, and Rabin (1999) integrate evidence across decision settings. Their review argues that broad evaluation can reveal combined consequences that isolated evaluation misses, while also describing circumstances in which narrower bracketing may be better.

An illustration

“Should I have dessert tonight?” brackets the decision narrowly. “How many desserts do I want this month?” considers a set of choices together. The broader view can make an accumulating pattern easier to see, but it does not mean the person will always choose fewer desserts. The same distinction applies to one discretionary purchase versus a month’s spending.

A snack-choice example: variety

The review discusses studies comparing choices for several occasions when people would eat a snack. In one arrangement, people selected all three snacks in advance; in another, they selected one snack on each occasion. Snacks were received at the scheduled times in both cases. Choosing the set together produced more variety. The question was not simply “How much should I eat?” but “Which combination do I want across these occasions?”

That extra variety was not necessarily an improvement. The review also describes participants who later wanted to change advance selections toward less variety. Read and Loewenstein's 1995 experiments investigated this diversification bias. Broad bracketing can make the whole set visible while also encouraging a mix that a person wants less when each occasion arrives.