What is the bandwagon effect?
A bandwagon was the wagon carrying the band at the head of a parade. "Jumping on the bandwagon" means joining what is popular. In economics, Harvey Leibenstein (1950) described the bandwagon effect as demand rising because others are buying.
📌 At a glance
- Origin
- Parade bandwagon
- Economic formulation
- Leibenstein (1950)
- Key idea
- More adopters → more demand
- Opposite
- Snob effect
Where it appears
| Field | Example |
|---|---|
| Consumption | Sold-out "must-have" products, fashion fads |
| Elections | Support shifting to the candidate seen as leading |
| Investing | Crowds piling into rising assets |
Why we follow
Social psychology points to informational influence (others’ choices as evidence) and normative influence (wanting to fit in); see Asch conformity experiments and groupthink.
Frequently asked questions
- What is the bandwagon effect?
- The tendency to do or buy something because many other people are doing it.
- What is the opposite?
- The snob effect, where popularity reduces demand.
References
- Leibenstein, H. (1950). Bandwagon, snob, and Veblen effects in the theory of consumers’ demand. Quarterly Journal of Economics, 64(2), 183–207.
- Asch, S. E. (1956). Studies of independence and conformity: I. A minority of one against a unanimous majority. Psychological Monographs, 70(9), 1–70.