Farm irrigation and drainage mechanical power and grain purchasing price index have negative correlation to grain production.

农业排灌机械动力和粮食收购价格指数与粮食生产呈负相关。

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And HSBC's Asia Business Index, which draws on surveys of purchasing managers in the region, shows price pressures in Asia (excluding Japan) at their highest for at least a decade.

汇丰亚洲商业指数(HSBCs a sia Business Index)在该地区的采购经理中开展调查，结果显示目前亚洲(除日本)的价格压力是至少近十年来最大的。

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The index is based on the idea of purchasing-power parity (PPP), which says currencies should trade at the rate that makes the price of goods the same in each country.

指数在购买力平价（PPP）这一概念基础上产生，购买力平价是指货币应以使商品价格在各个国家保持一致的汇率兑换。

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The purchasing price index for manufactured goods went down by 2.4 percent year-on-year, and 0.1 percent decrease month-on-month.

FORBES: China Inflation Takes Bite Out Of Equities

In the average in 2013, the PPI decreased 1.7 percent, year-on-year, the purchasing price index for manufactured goods went down by 1.8 percent year-on-year.

FORBES: China Inflation Takes Bite Out Of Equities

The Big Mac Index uses Purchasing Power Parity (PPP) in comparing the price of the ubiquitous Big Mac across countries relative to its price in the USA. PPP refers to the idea that exchange rates across two countries should be equal to the relative price of a basket of goods and services in both countries.

FORBES: Big Mac Index: Indian Rupee Most Undervalued Currency In The World