Much of economics isn't difficult, or rather, the difficulty is in cooking up arguments to "prove" that commonsense conclusions are wrong. The fact is that many commonsense conclusions are quite correct, and it takes a lot of education to get you to believe different.
Jerry PournelleTo stand on the firing parapet and expose yourself to danger; to stand and fight a thousand miles from home when you're all alone and outnumbered and probably beaten; to spit on your hands and lower the pike; to stand fast over the body of Leonidas the King; to be rear guard at Kunu-Ri; to stand and be still to the Birkenhead Drill; these are not rational acts. They are often merely necessary.
Jerry PournelleMicrosoft has gotten so big that it can put out a Preview that will install itself without checking first to see if it has expired. The message here is that Microsoft's time is worth more than yours.... no start-up company could get away with being that arrogant.
Jerry Pournelle