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.
The easiest way to see this is during a solar eclipse, when the Moon passes in front of the Sun. With high-resolution imaging, you can clearly see the shadows, but thereâs a particular time that you can see an incredible effect with nothing more than a pair of eclipse glasses or welderâs shades. During a total solar eclipse, either right before or right after totality, the Moonâs disk nearly â but not entirely â blots out the Sun.