Consumer spending in the US rose to about 62% of GDP in 1960, where it stayed until about 1981, and has since risen to 71% in 2013. Throughout its history, the United States has experienced steady growth in the labor force, a phenomenon that is both cause and effect of almost constant economic expansion.
2 doctors agreed: Doctor can evaluate: Blood spots on the skin are called petechiae (purpura if they are bigger splotches), and are due to blood cells leaking out of the tiny blood vessels in the skin.
Sudden unexplained bruising or blood spots under the skin or a sudden increase in the frequency of bruising may be caused by: 1  A medicine, such as aspirin or blood thinners (anticoagulants). 2  Infection that causes the buildup of toxin in the blood or tissues (sepsis).ruises develop when small blood vessels under the skin tear or rupture, most often from a bump or fall. Blood leaks into tissues under the skin and causes the black-and-blue color.