One speculation he offers makes good sense. If it is feasible to establish a market to implement a policy, no policymaker can afford to do without one. That is, markets and prices will do more to bring about the intended effect that nice words and rules. The price includes a trip to Australia where the buyer can participate in a hunt and kill his or her own croc. Then the hide is made into a chair of the buyer's design.
Modern planes designed to spread chemicals over farms can cost nearly a million dollars.
Those old converted biplanes you see in the movies are being phased out. The majority of the land in Alaska is owned by the US government. Not much of a surprise there. But the same is true of Idaho, Nevada, Oregon and Utah. Thirty, according to page 3 of the Journal of Economic Perspectives , Summer 2000 edition.