Force users to jump through too many hoops, though, and you risk driving them away.

FORBES: Magazine Article

May traditionally sees a jump in the labor force because of all the new graduates entering the job market, but this was not this case last month as 286, 000 workers left the labor market tally.

FORBES: Employment Numbers: No Lipstick On This Pig

He believed he could jump-start growth and force it from the top.

FORBES: Fact and Comment

As a city's economy tilts toward technology, it can result in a large jump in productivity but also a shrinking labor force, given the added productivity tends to require fewer workers.

WSJ: Late Shift: Foosball Over Finance

For instance, the dot-com bubble eventually reached a point where day-trading retail investors became a dominant force, creating incentives for venture capitalists, underwriters and fund managers to jump on the bandwagon, hoping to hop off before the bubble burst.

FORBES: Magazine Article

Analysts reckon rising social security costs will almost certainly force the government to raise Japan's consumption tax, currently 5%, leading to a one-off jump in consumer prices during the next decade.

ECONOMIST: Japanese inflation-linked bonds