- 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.
How China Affects the U.S. Economy. China is the largest foreign holder of U.S. Treasury bills, bonds, and notes. As of June 2017, China owned $1.14 trillion in Treasurys. That's 29 percent of the public debt held by foreign countries.