What has been the range for the duration in months of u. s. recessions between 1950 and 2009?
a. 16 months to 28 months
b. 6 months to 18 months
c. 9 months to 32 months
d. 2 months to 18 months

b. 6 months to 18 months

Explanation:

Recession refers to the state of the business cycle contract when the economy declined for six months or more. There are five economic indicators which are studied and observed by the National Bureau of Economic Research and they include real gross domestic product, employment, income, manufacturing, and retail sales. In the United States, the memories of the recession period were painful part of business cycles. There are many occasions of recession in the United States between 1950 and 2009 but none extended 18 months. The worst among them was The great depression of 2008 to 2009.

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.