- Control of Growth & Development. Hormones are chemical messengers produced by glands in the endocrine system. Endocrine tissues are specialised to produce such hormones, which have genes switched on according the the hormones they were designed to produce.
There are actually three rates in the U.S. that drive virtually everything else, from bond returns to credit card interest rates. Of these, the Federal Reserve actually controls only two (the Federal Funds Rate and the Discount Rate). The third rate, called the Prime Rate, is the rate that most people falsely believe the Fed changes. In truth, this is the one rate the Fed has no direct control over.
Interest Rates. Government policy can influence interest rates, a rise in which increases the cost of borrowing in the business community. Higher rates also lead to decreased consumer spending. Lower interest rates attract investment as businesses increase production.