Constant volume may hide the variable importance of what was said.

ECONOMIST: Human communication: Gesture politics | The

This tells you how much information is present at each position: variable positions contain little information while constant positions contain lots.

ECONOMIST: How (and why) to find a needle in a haystack | The

This situation can create a downward spiral because the rewards of rent-seeking are often constant, whereas the surpluses available in a market economy are more variable.

FORBES: What Is Rent-Seeking Behavior?

In essence, this creates an equation in which the variable numerator among coaches, resources, is divided over a constant denominator, wins and losses against the same pool of competition.

FORBES: Best College Basketball Coaches For The Money