A phenomenon very similar to "induced demand" was observed in 1865, when increased efficiency in coal consumption lead to increased demand for coal. It's called

A phenomenon very similar to "induced demand" was observed in 1865, when increased efficiency in coal consumption lead to increased demand for coal. It's called Jevon's paradox: http://en.wikipedia.org/wiki/Jevon%27s_paradox http://en.wikipedia.org/wiki/Jevon%27s_paradox