Its central bank has bought huge quantities of foreign currency to stop the yuan from rising too quickly.
Jordan said the central bank was prepared to buy unlimited quantities of foreign currency – and take further measures if required – to enforce the minimum exchange rate.
The head of the Swiss National Bank, Thomas Jordan, promised to buy "unlimited quantities" of foreign currency to prevent the Swiss franc from rising further as investors fled the euro.
To achieve this goal, the SNB had promised to sell as many Swiss francs as necessary (in exchange for "unlimited quantities" of foreign currency).
Announcing a "minimum" exchange rate of SFr1.20 per euro (in effect, a ceiling), the SNB said it would buy "unlimited quantities" of foreign currency in exchange for Swiss francs, which have become a haven for investors fleeing the euro zone's debt crisis.
In other words, following the logic of PPP theory, with the same amount of foreign currency than before trade openness, tradable goods become cheaper (i.e., the local currency depreciates vis-à-vis the foreign currency).
The Swiss National Bank in effect devalued the franc, pledging to buy "unlimited quantities" of foreign currencies to force down its value.
In addition, retail investors' direct share of Japan's foreign-currency market may be 20-30%, whereas individuals' holdings of foreign currency exceed foreigners' holdings of Japanese securities.
Roman, Himyarite, and Kushana coins have all been found in major Aksumite cities, however, only very small quantities have been attested and the circulation of foreign currency seems to have been limited.
The decreased supply of foreign currency (from the sale of fewer exports) plus the increased demand for foreign currency (to pay for imports) would tend to raise the price of foreign currency in terms of domestic currency.
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