PPP exchange rates are especially useful when official exchange rates are artificially manipulated by governments.

In the Babylon 5 episode "The Deconstruction of Falling Stars," it is mentioned that the sun in the Earth solar system is being artificially manipulated into supernova by the year 1,002,261 A.D.

Others, like those who followed Lia, believed that the planetary environment was being artificially manipulated by the power-mad Mestof and his followers.

Also coming under attack were the burial records and photographs presented in the Tokyo War Crime Court, which were said to be fabrications by the Chinese government, artificially manipulated or incorrectly attributed to the Nanking Massacre.

However, higher grades, which are often aged for many years, often have prices which are artificially manipulated due to the custom of gifting valuables; the highest grade of Wuliangye (五粮液) retails for 26,800 yuan (US$3,375).

The ruble is now traded at various rates artificially manipulated by the Government, and Mr. Yeltsin has made the switch to a system in which the rate is set by the free market - a cornerstone of his effort to convert the Russian economy.

The current system has several rates, all artificially manipulated, ranging from 55 rubles to the dollar - the rate for most transactions involving trade - to 120 rubles to the dollar on the black market and at weekly bank auctions of hard currencies.

Despite that, we have decided to try to meet the targets, with the result that we have an energy market which is artificially manipulated at the consumers' expense and energy solutions which are unsustainable in terms of climate balance and which need to be revised.

Aspersions were cast regarding the authenticity and accuracy of burial records and photographs presented in the Tokyo War Crime Court, which were said to be fabrications by the Chinese government, artificially manipulated or incorrectly attributed to the Nanking Massacre.

The female California quail, Callipepla californica, uses multiple male plumage characteristics when deciding on a mate and respond differently to a variety of artificially manipulated traits.