But Hollywood's studios now realise they can't pin the future of their precious video sales (today one of their main sources of revenue) on a game console that has failed to ignite widespread interest outside a dedicated circle of hard-core gamers.

ECONOMIST: Can Toshiba��s David topple Sony��s Goliath?

Rising inflation and interest rates feed the distrust, potentially producing a vicious circle of accelerating inflation and interest rates.

FORBES: An "All-In" Bet By Fed Chairman Ben Bernanke

Over the past 25 years, the authorities have had a tried-and-trusted method for bringing a halt to this vicious circle: cutting interest rates.

ECONOMIST: The impossible task of eliminating uncertainty

In an attempt to take this full circle, lower interest rates are a good thing for the macro outlook but also a bad thing for the U.S. dollar.

FORBES: Upgrade Parade Continues With S&P Downgrade in the Rearview

The cost of borrowing began to creep up again, a big bank that had bet on cheaper money failed, foreign capital took flight and Turkey found itself in a vicious circle of wobbling banks and spiralling interest rates.

ECONOMIST: TURKEY'S FUTURE

That, they hope, will nudge Brazil into a virtuous circle, in which they can cut interest rates, and thus the cost of debt-service and, in turn, reduce the size of the surplus needed to steady the debt burden.

ECONOMIST: Progress and pitfalls in Brazil��s public finances

By the mid-nineteen-eighties, Petraeus had become one of a small circle of post-Vietnam military officers who had developed an interest in counter-insurgency doctrine.

NEWYORKER: The General��s Dilemma

As both buyers and sellers reduce their costs and increase their efficiency by investing in the capacity to do business on the Internet, it is in their interest to persuade more and more of their business partners to do the same, thus creating a self-reinforcing circle.

ECONOMIST: Business and the Internet