The central bank on Friday cut the central parity rate by 0.1 percent to 6.2152 per dollar.
The yuan is allowed to rise or fall by 0.5% from the central parity rate each day.
The currency is closely monitored by the Central Bank of China and in the spot market, is allowed to rise or fall by 1 percent from the set parity rate each trading day.
Here you can see how the gold standard system can expand and shrink the money supply as appropriate, as part of the mechanism that maintains the value of the currency at its parity rate.
Throw out all of the 1960s and early 1970s de rigueur stuff you were force-fed back at Harvard: Samuelson, Okun gaps, interest rate parity, etc.
Only one bank, Goldman Sachs, expects the euro-dollar rate to rise above parity within the next 12 months.
EU's figures are in purchasing-power-parity terms, which strip out the effects of exchange-rate fluctuations.
At the rate things are going, the yuan will reach parity against the dollar, measured by unit labor costs, about two years from now, possibly sooner.
At this rate, it would take more than a century to reach gender parity in Congress.
In May, Rep. Robert Andrews, a New Jersey Democrat, introduced the Prosthetic and Custom Orthotic Parity Act, which would require insurance companies to cover prosthetics at the same rate they do surgery.
"If this rate of progress continues, it could take 40 years for women to achieve parity with men in corporate officer positions, " Catalyst says.
While male literacy rate is 71.6 percent, it is only 44.5 percent for women, revealing Gender Parity Index (GPI) at 0.62, with women still lagging behind men by more than 27 percentage points.
Argentina, Latin America's fastest-growing economy last year, has the most rigid exchange-rate system of all, with a currency board that fixes by law the value of the peso at parity with the dollar, and thus limits the money supply to the level of foreign currency reserves.
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