The Hidden Tax of Choice
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Stand before the yogurt section of a modern supermarket and you will quickly discover that yogurt, like ambition, multiplies when left unchecked. Plain yogurt. Greek yogurt. Skyr. Lactose-free, plant-based, flavoured, high-protein, low-fat, organic, grass-fed. Individual cups for the solitary breakfast and family tubs for those with greater appetites. Each category comes in several price tiers, lest anyone escape without a decision to make.
Retail market research suggests the scale of the enterprise. The average U.S. supermarket now carries roughly 31,795 items across departments (Food Industry Association, 2024).
Every one of those yogurts brings its own little negotiation: nutrition claims to weigh, ingredient lists to inspect, prices to compare, packaging sizes to consider.
The yogurt aisle, then, is not merely abundance.
It is a puzzle presented before breakfast.
The Research on Decision Fatigue
Scholars have long been curious about what happens when people must make decision after decision without respite.
Early research on this topic suggested that repeated choices could deplete self-regulatory capacity, making individuals more likely to rely on shortcuts, or avoid further choices entirely (Baumeister et al., 1998; Vohs et al., 2008).
Later replication efforts, however, questioned the strength and consistency of this so-called “ego depletion” effect, suggesting the relationship between decision-making and cognitive fatigue is more complicated than originally proposed (Carter & McCullough, 2014; Hagger et al., 2016).
Still, one pattern remains difficult to ignore. Environments that demand many small evaluations tend to increase cognitive effort and reduce satisfaction with the decisions we ultimately make.
In other words: the mind tires of deliberation, even when the stakes are no higher than yogurt.
Reducing how often we reconsider the same category preserves attention for decisions that deserve it more.
Stock Keeping Unit (SKU) Explosion
The strain experienced in grocery aisles reflects not weakness in the shopper but ambition in the system.
Over the past several decades, product assortments expanded dramatically as manufacturers competed for shelf space and ever more specialized market segments. Industry estimates suggest supermarkets carried fewer than 10,000 products in the 1970s. Today that number exceeds 30,000 (Food Industry Association, 2024).
The yogurt category alone now contains dozens of variations distinguished by dietary claims, flavour profiles, and packaging formats.
At first glance this appears to be freedom.
In truth, it is competition. Each brand hoping that its particular tub of fermented milk will win the small war of the shelf.
The result is a deeper category and a heavier cognitive load.
The Emotional Cost of Comparison
The matter does not end once the yogurt leaves the store.
Research on regret and post-decision evaluation shows that when people choose among many alternatives, they are more likely to revisit the decision later and imagine that another option might have been better (Zeelenberg & Pieters, 2007).
Empirical work on assortment size finds that large selections can increase regret or reduce satisfaction when options are difficult to compare (Chernev, Böckenholt, & Goodman, 2015).
Cultural critics have observed a broader pattern: in environments filled with choices, comparison becomes a habit rather than a moment (Schwartz, 2004).
You leave the aisle with yogurt.
The question of whether it was the correct yogurt may accompany you home.
Infinite Choice Removes Stopping Rules
Historically, food environments imposed their own limits. Seasonal agriculture determined what ingredients were available at a given time, and local markets offered far fewer varieties within each category.
Modern food systems have removed many of those limits. Strawberries appear in winter, and yogurt exists in dozens of formulations year-round (Pollan, 2006).
Economist Herbert Simon described human decision-making as bounded rationality. People navigate complexity within cognitive limits, relying on simplified environments and heuristics to make decisions (Simon, 1955).
When modern retail removes natural constraints, it also removes the informal stopping rules that once simplified everyday choices. Modern aisles and displays are built to keep your attention for as long as possible. (Sound familiar?)
The Strategic Default
Fortunately, the solution is neither heroic nor complicated.
Research on habit formation shows that repeated behaviours performed within stable contexts gradually require less conscious deliberation (Wood & Neal, 2007). Decision architecture studies likewise demonstrate that defaults strongly influence behaviour because they reduce friction and repeated evaluation (Thaler & Sunstein, 2008).
Applied to ordinary life, this may mean choosing one preferred option per category for a season: one type of yogurt, one variety of eggs, one cooking oil, one staple legume.
Unless circumstances change, the same choice is repeated, and in time, recurring decisions become routine rather than puzzles.
Freedom with Boundaries
Cognitive load research shows that working memory can process only a limited amount of information at once (Sweller, 1988). Environments that present too many variables simultaneously impair decision efficiency, but structure improves performance.
Language works because grammar constrains it. Roads function because lanes organize them.
Decision environments follow similar rules. When every option remains permanently open, the mind must continually reassess possibilities without a natural stopping point.
Boundaries reduce the number of active comparisons.
While freedom without structure can produces noise, freedom within structure restores clarity.
References
Baumeister, R. F., Bratslavsky, E., Muraven, M., & Tice, D. M. (1998). Ego depletion: Is the active self a limited resource? Journal of Personality and Social Psychology, 74(5), 1252–1265. https://doi.org/10.1037/0022-3514.74.5.1252
Carter, E. C., & McCullough, M. E. (2014). Publication bias and the limited strength model of self-control: Has the evidence for ego depletion been overestimated? Frontiers in Psychology, 5, 823. https://doi.org/10.3389/fpsyg.2014.00823
Chernev, A., Böckenholt, U., & Goodman, J. (2015). Choice overload: A conceptual review and meta-analysis. Journal of Consumer Psychology, 25(2), 333–358. https://doi.org/10.1016/j.jcps.2014.08.002
Food Industry Association. (2024). Food industry facts. https://www.fmi.org/our-research/food-industry-facts
Hagger, M. S., Chatzisarantis, N. L. D., Alberts, H., Anggono, C., Batailler, C., Birt, A. R., Brand, R., Brandt, M. J., Brewer, G., Bruyneel, S., Calvillo, D. P., Campbell, W. K., Cannon, P. R., Carlucci, M., Carruth, N. P., Cheung, T., Crowell, A., De Ridder, D. T. D., Dewitte, S., … Zwienenberg, M. (2016). A multilab preregistered replication of the ego depletion effect. Perspectives on Psychological Science, 11(4), 546–573. https://doi.org/10.1177/1745691616652873
Pollan, M. (2006). The omnivore’s dilemma: A natural history of four meals. Penguin Press.
Schwartz, B. (2004). The paradox of choice: Why more is less. Ecco.
Simon, H. A. (1955). A behavioral model of rational choice. Quarterly Journal of Economics, 69(1), 99–118. https://doi.org/10.2307/1884852
Sweller, J. (1988). Cognitive load during problem solving: Effects on learning. Cognitive Science, 12(2), 257–285. https://doi.org/10.1207/s15516709cog1202_4
Thaler, R. H., & Sunstein, C. R. (2008). Nudge: Improving decisions about health, wealth, and happiness. Yale University Press.
Vohs, K. D., Baumeister, R. F., Schmeichel, B. J., Twenge, J. M., Nelson, N. M., & Tice, D. M. (2008). Making choices impairs subsequent self-control. Journal of Personality and Social Psychology, 94(5), 883–898. https://doi.org/10.1037/0022-3514.94.5.883
Wood, W., & Neal, D. T. (2007). A new look at habits and the habit-goal interface. Psychological Review, 114(4), 843–863. https://doi.org/10.1037/0033-295X.114.4.843
Zeelenberg, M., & Pieters, R. (2007). A theory of regret regulation 1.0. Journal of Consumer Psychology, 17(1), 3–18. https://doi.org/10.1207/s15327663jcp1701_3
