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Market Signals
Entry #0410
The reason a dress code survives its own obsolescence
Nobody believes the tie improves work. Everybody wears one, because not wearing one sends a signal about willingness to comply that wearing one does not.
Master
The hidden part
#0410
The code persists because dropping it unilaterally sends a signal about compliance that wearing it does not. Nobody needs to value the tie; they only need to fear what not wearing it says.