Freebase(0.00 / 0 votes)Rate this definition: Derived demand is a term in economics, where demand for a factor of production or intermediate good occurs as a result of the demand for another intermediate or final good.
10 best places to see this summerâs solar eclipse. On August 21st, a total solar eclipse will be visible to mainland America. Find out why it is drawing giddy excitement from the public, as well as astronomy gurus. On Aug. 21, a swath of the USA will plunge into darkness during a continent-wide total solar eclipse.
Published October 21, 2014. 1  This NASA graphic shows the visibility area of the partial total solar eclipse of Oct. 23, 2014. The eclipse will be visible from most of the United States, weather permitting. 2  Viewers in Los Angeles, California, will see 31 percent of the sun covered, at 3:28 p.m. PDT.