Walmart saw its biggest drop in the effective tax rate in fourth quarter, a nearly three point drop to 27.7% as compared to 30.9% last year.

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Why drop the one effective anti-inflation measure?

ECONOMIST: Relations with the EU are warming a little

One argument carried through many of these articles deserves more scrutiny: the notion that the effective cost of auto transportation will drop so dramatically that there will be a substantial shift away from car ownership to reliance on third-party fleets, available on demand.

FORBES: Part Six of a Seven-Part Series on Driverless Cars

The constant communication between Sales and Marketing enabled the two teams to quickly assess what worked, refine activities to be more effective, and determine which programs to drop.

FORBES: How Alignment Helped Sales Win

With commodity and energy prices stabilized, together with effective monetary tightening policy, the CPI could drop by 1-1.5% to 5-5.5% in early 2012.

FORBES: For China, Economic Hard Landing Unlikely

The most effective way to delay the future is to drop everything and go about the business of solving today's problems, real or imagined.

FORBES: Magazine Article

Over the past four years, through last year's third quarter, effective retail rents in the Las Vegas area fell 15.4%, the biggest drop of the 80 markets monitored by Reis Inc.

WSJ: Deal of the Week: Bet on Vegas-Area Retail

While rare earths are expensive to use in producing several products used daily, the drop in demand does not come from an alternate substance that can be as effective for a fraction of the cost.

FORBES: 2012 Outlook: Uncertainty Continues For Rare Earths Prices, China Still Major Player

Wall Street has quite an effective scare story: While seven working-age people now support each American retiree, that figure will drop to three-to-one by 2025.

FORBES: Magazine Article