A wide range of factors interact to determine the exchange rate level: the government, market forces of supply and demand for a particular country's currency, interest rates, inflation, a country's balance of trade and/or payments, and consumers' expectations about what will happen in the future.
Use quotation marks for direct quotes. Use quotation marks to surround direct quotes from a source, person, article, or other source. Use a comma before a quote only if you precede the quote with an identifier (a tag) such as he said or According to experts..
Using Quotation Marks. The primary function of quotation marks is to set off and represent exact language (either spoken or written) that has come from somebody else. The quotation mark is also used to designate speech acts in fiction and sometimes poetry. Since you will most often use them when working with outside sources, successful use of quotation marks is a practical defense against accidental plagiarism and an excellent practice in academic honesty.