Slack fill, de-sheeting and weight-out – different terms describing the common practice of stealthily increasing price by decreasing quantity.
Weight-out (reducing standard package sizes) is a common approach to hiding price increases, but it presents real problems for retail florists.
Information on slack fill, and examples of extreme anchor pricing, "stealth" (hidden) price increases and charging more for less.
Slack fill, empty space in cans/jars/boxes/bottles, can be misleading and is generally discouraged by the FDA - here are examples of allowable exceptions.
A real-world example of how vendors hide price increases by reducing the contents of standard package sizes and keeping the price the same.
The idea of charging more for less might seem preposterous but with a little misdirection that changes what we consider value it's actually quite easy.