Rhett is a DC based executive coach who covers entrepreneurship. Does that efficiency rate seem low for an average customer service agent? Keep in mind that humans aren’t machines—they need ...

I like to think of efficiency as a ratio, or fraction. Most often the input value of the equation is time or money. Efficiency is something almost everyone strives for in some aspect of their life.

A very inefficient device will waste most of its input energy. The efficiency of a device is the proportion of the energy supplied that is transferred in useful ways. The efficiency can be ...