how do you calculate profit earned per share Competition refers to the economic subject in order to maintain and expand their own interests and take all sorts of behavior, the behavior of self-protection and expansion efforts in product quality, price and service advantages, varieties, etc. Interest rates have a very important impact on the exchange rate, which is the most important factor affecting the exchange rate. We know that the exchange rate is the relative price between the two countries' currencies. Like other commodity pricing mechanisms, it is determined by the supply and demand relationship in the foreign exchange market. Foreign exchange is a kind of financial asset, which people hold because it can bring the benefits of capital. "We are concerned that if the UK decides to leave, it is likely to lead to a weaker pound, higher inflation, lower disposable income and less investment," she said. Money sent home by migrants constitutes the second largest financial inflow to many people developing countries, exceeding international aid. Estimates of remittances to developing countries differ from International Fund for Agricultural Development's. Remittances contribute to economic growth also to the livelihoods of folks worldwide.