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The Marshmallow Test is a psychological experiment designed to measure delayed gratification in children. Developed by psychologist Walter Mischel in the early 1970s, the test places a child in a room with a marshmallow and offers them a choice: They can either eat the marshmallow immediately or wait for a specified period, usually around 15 minutes, and receive a second marshmallow as a reward for their patience. The test became famous for its implications regarding self-control, willpower and future success.
Powell faced his own version of the Marshmallow Test this past fall. Following a nearly 20% rise in the price level from early 2021 and the fastest Fed hiking cycle in the past 40 years, Powell finally appeared to be getting inflation under control.
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