It's the Halloween season, the perfect occasion to introduce your young children and grandchildren to the wonders of the market economy. After all, the market is a process in which individuals strive to improve their situations through trade—that is, lucrative peaceful cooperation—with others. (Today we'll ignore all the ways politicians and bureaucrats get in the way.) As a result of their trick-or-treating, children will bring home a vast quantity and variety of candies. Of course, not all kids (or adults) like the same kind of treats. While that could bring disappointment for some...
