History Of Money

The history of money begins 2500 years ago. Is defined as a unit of exchange, or an object used as the value for payment of goods and services, debts and legal currencywithin a country. Before was used as payment, spices or metals.
For example the early American currency went through many stages. The colonial governments emittedpaper money till the British parliament approved the use of foreign exchange. Until in the First Bank of the United States created the U.S. currency, the dollar.Consequentlythe paper money is of a particular goverment, is the physical aspect of a nation's money supply. The another offer are, cash deposits, checks and credit or debit cards.The two sides are acceptable as payment.
Also, in each country there is a Central Bank that controls the emission and circulation of coins and banknotes. To facilitatethe bussines between countries are set different prices for the coins, although some countries use the same. So, each government of each country determines his currencyconvertibility. They can be:
Fully Convertible: when there is no restriction or limit on the number of currency that can be traded internationally and the governmentcan not establish him a fixed value
Partly Convertible: When the Center Bank controls the money that enters and leaves of the country but the national currency exchangehas no control.
Non-convertible: these are coins that can not be part of the international market. (eg North Korean Won).

The European crisis is caused by a seriesof negative events, for example the globalization of finance, the fall of the euro value and financial markets, this caused debts and imbalances in international trade.