# bathtub theorem

> English word · Proper noun

## Definitions
1. The idea that capital accumulation is equal to production minus consumption.

## Etymology
In allusion to a bathtub with water entering from the taps and leaving by the plughole.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/bathtub-theorem