Confidence votes 38. 1  Approximately two years.  How long is the average dissertation, actually depends on what academic level you are in, undergraduate, Masters or PhD doctoral level. It could be a year or two depending on the nature of you dissertation topic.
An interest rate is the rate at which interest is paid by borrowers (debtors) for the use of money that they borrow from lenders (creditors). Specifically, the interest rate is a percentage of principal paid a certain number of times per period for all periods during the total term of the loan or credit.
Interest rates indicate the price at which you can borrow money. It can get seriously complicated, with many anomalies, so for starters this guide covers the basics first. If you want to know all there is to know, then step it up a notch and read to the end.