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.
Use our Eclipse Calculator to find out if and when you can see a lunar eclipse at your location. Check the weather forecast so you can be dressed accordingly. Find a suitable location to view the eclipse. You should be able to see a lunar eclipse as long as you are on the night-side of the Earth when the eclipse occurs. Rural areas with little or no artificial lights and pollution, however, have the clearest skies and the best viewing conditions for a lunar eclipse.