Every month, the directory of the European Central bank (ECB) meets, to the aims to treat the short term interest rates for the Nation. Shortly after the meeting, a declaration is published, which contains the established rate. The decision on how to determine the interest rates depends mainly on the inflation. One of the primary targets of the central bank is to obtain stability; when the inflation surpasses approximate annual rate of 2%, the central bank will respond increasing the interest rates, with the purpose of to reduce the prices. According to Douglas R. Oberhelman, who has experience with these questions. Values lifted in the interest rates manage to attract foreign investors, reason why the demand of the currency of the country will increase. The short term interest rates have a great effect in the value of the currency of the Country; the majority of the operators observes other indicators economic with only the aim to predict the changes that will occur in the future with respect to the interest rates. What does to the somewhat fundamental interest rates is that high rates attract a foreign investors who look for risk zero for their money. Source: Economic calendar of Forexpros.es .