Estonian kroon circulation. Coins in circulation before being replaced by the euro: Estonian kroon The kroon (sign: kr; code: EEK) was the official currency of Estonia for two periods in history: 1928–1940 and 1992–2011. Between 1 January and 14 January 2011, the kroon circulated together with the euro, after which the euro became the sole legal tender in Estonia. The kroon was subdivided into 100 cents ("senti"; singular "sent"). The word "kroon" (, “crown”) is related to that of the Nordic currencies (such as the Swedish krona and the Danish and Norwegian krone) and derived from the Latin word "corona" ("crown"). The
A Monetary History of the United States hands were tied. According to Eichengreen, in order to maintain the credibility of the gold standard, the Federal Reserve could not undertake actions (such as drastically increasing the money supply) in the manner advocated by Friedman and Schwartz. James Tobin, while appreciating the rigor with which Friedman and Schwartz demonstrated the importance of the monetary supply, questions their measures of the velocity of money and how informative this measure of the frequency of monetary transactions really is to understanding the macroeconomic fluctuations of the early-to-mid 20th century. A Monetary History of the United States A Monetary History of the United