The fee covers all expenses so no one has to play power games over who picks up the check or worry about hidden expenses.

FORBES: Connect

By cutting transaction expenses, aggregating buying power, holding auctions in order to lower prices and exploiting the efficiencies of a single marketplace, the companies hope to save billions of dollars while simultaneously making a fortune on their stakes in the exchange itself, which is to be floated as a stand-alone firm next year.

ECONOMIST: In the air

Even worse, hidden fees and expenses can erode principal and cause investors to lose future purchasing power.

FORBES: Beware of High Yield Investment Promises

In one experiment, high-power participants were asked for their positions on cheating and over-reporting travel expenses, both of which they flatly condemned.

FORBES: Power Makes the Hypocrite Bold, Smug and Brazen