Common Cause of a Delayed Period. There are also extremely common causes for a period two weeks late with a negative pregnancy test. Stress is one of the most dominant causes to consider when there is a delay in a period.
In conclusion, currency values are determined by many factors. Not just one issue, but a composite of many must be considered. In trading currencies, such as in FOREX, trades are usually made in pairs. Values must be relative to something. So how is a country doing relative to another country is also significant. Common Forex pairs are US dollar and Japanese yen, Euro and US dollar, for example. These and other factors determine the value of a currency. Some are tangible, some intangible.
When the US dollar was created its value was set  approximately equal to the 8-reales coin, and a denomination  of 25Â¢, rather than the decimal standard 20Â¢, was created for  compatibility when making change. Thus 1/4 of a US dollar was the  same as 1/4 of an 8-reales piece, or 2 bits.