Net cash is a traditional measure of excess cash and is calculated by totaling cash, marketable securities and short-term investments, and subtracting current liabilities.

FORBES: Ten Cash Per Share Kings

But rather than filing suit to stop the law, abortion rights backers gathered enough signatures to get the measure on the November ballot, a calculated risk in a very anti-abortion state.

NPR: Party Shift, Ballot Issues Boost Abortion Rights

Of course, these theorists have not acknowledged that the broadest measure of home prices, the index calculated by the Office of Federal Housing Enterprise Oversight, has yet to show home-price declines that would signal any kind of "bubble" being popped.

FORBES: Political Economy

The gauge, a measure of bank-borrowing costs that is calculated daily in London, has steadily increased in recent weeks from a low of 0.245% in mid-June.

WSJ: Bank Woes Take Center Stage: SNB Reports Dollar Borrowing; UBS, Credit Suisse Deny Tapping Facility

Societal costs in those countries can't be calculated the same way they would be in the U.S., where most studies measure how much smokers burden taxpayers with extra Medicare and Medicaid payments.

FORBES: Magazine Article