What's more profitable: mortgages in rubles or foreign currency?

The world is changing rapidly, and if today is beneficial ruble mortgage, then after a day "favorites" can be a mortgage in a foreign currency. What then is to navigate? This question excites nearly all borrowers. According to the portal Bank.ru, the ruble value of the mortgage at the beginning of May 2011 was 13.45% per annum, while borrowing in dollars would cost at 11.24% and in euros - 11.58% APR. Income One of the key factors in the choice of currency is the borrower's income. If he gets a salary in rubles, then clearly there is no point constantly to convert U.S. Dollars to other units - can be a serious loss on the difference in rates. Conversely, if you receive income in foreign currency - is clearly more advantageous to enter into a contract for mortgages in dollars or euros. Money "swing" is also necessary to consider currency fluctuations: a currency all over the world, the rise in price, the cheaper. You can guess the general direction, but still the final results will always be a surprise. For example, the dollar in March 2001 was worth 28.63 rubles., In March 2007 - 26.22 rub., And in March 2009, 36.04 rub. Also over the past decade "galloping" and the euro, beginning in March 2001 with 26.31 rub. and rises to a peak in February 2009 - 46.46 rub. If you want to take a chance and take a mortgage in a foreign currency, it is best to do it for a short time. If you're lucky, you'll save on overpayment. In case of problems with the payment - mortgages can be refinanced, using pre-Russian ruble.