Consumer price indexA consumer price index (CPI) is a price index, the price of a weighted average market basket of consumer goods and services purchased by households. Changes in measured CPI track changes in prices over time. The CPI is calculated by using a representative basket of goods and services. The basket is updated periodically to reflect changes in consumer spending habits. The prices of the goods and services in the basket are collected monthly from a sample of retail and service establishments.
RubleThe ruble or rouble (ˈruːbəl; рубль) is the currency unit of Belarus and Russia. Historically, it was the name of the currency of the Russian Empire (the Imperial ruble) and, later, of the Soviet Union (the Soviet ruble). currencies named ruble in circulation include the Belarusian ruble (BYN, Rbl) in Belarus and the Russian ruble (RUB, ₽) in Russia. Additionally, the Transnistrian ruble is used in Transnistria, an unrecognized breakaway province of Moldova. These currencies are subdivided into one hundred kopeks.
History of moneyThe history of money is the development over time of systems for the exchange, storage, and measurement of wealth. Money is a means of fulfilling these functions indirectly and in general rather than directly, as with barter. Money may take a physical form as in coins and notes, or may exist as a written or electronic account. It may have intrinsic value (commodity money), or be legally exchangeable for something with intrinsic value (representative money), or only have nominal value (fiat money).
Hard currencyIn macroeconomics, hard currency, safe-haven currency, or strong currency is any globally traded currency that serves as a reliable and stable store of value. Factors contributing to a currency's hard status might include the stability and reliability of the respective state's legal and bureaucratic institutions, level of corruption, long-term stability of its purchasing power, the associated country's political and fiscal condition and outlook, and the policy posture of the issuing central bank.
Modern drachmaThe drachma (δραχμή, ðraxˈmi) was the official currency of modern Greece from 1832 until the launch of the euro in 2001. The drachma was reintroduced in May 1832, shortly before the establishment of the Kingdom of Greece. It replaced the phoenix at par. The drachma was subdivided into 100 lepta. The first coinage consisted of copper denominations of 1λ, 2λ, 5λ and 10λ, silver denominations of ₯, ₯, ₯1 and ₯5 and a gold coin of ₯20. The drachma coin weighed 4.5 g and contained 90% silver, with the ₯20 coin containing 5.
