How Currency value changes???

HOW THE CURRENCY VALUE CHANGES? Please go through the below simple Economics, which will give a good idea on why Taxes are more important not only for Government but also how beneficial to its citizens, indirectly! A Government should invariably need GOLD to run the country for their day to day business! Since the Gold cannot be pumped into market, it chose to use the Notes/Currency instead! And printing the notes/currency is done under the watchful eye of the IMF ( International Monetary Fund). A Govt. cannot print notes left & right! It has to be approved by IMF, however it can print any denomination of notes but it should be equivalent to the total weight of the Gold, the Government owns. Let us compare two countries! I have taken America and India because we always compare our country with America! For calculation purpose let us assume that , Government of America holds 1 Ton of Gold and ...