you get less of it. I seem to remember reading that someplace...oh, yeah. It's in almost every economics principles text.
This article from The Independent in the U.K. (HT to Carpe Diem) could be very useful when you discuss tax wedges. It could also be used when discussing taxes and elasticity, willingness to sell and incentives.
I'm planning on using it. What do you think? Does it have potential for your class?