"The Cobra Bounty - How paying for dead snakes created more snakes" is the definitive book on the "Cobra Effect." The story is legendary: The British colonial government in Delhi was worried about the number of venomous cobras. To solve the problem, they offered a cash bounty for every dead cobra skin brought in. Initially, the snake population dropped.Economist Nikhil Scale explains the twist: Entrepreneurial locals began breeding cobras in their homes just to kill them and collect the money. When the government realized this and canceled the program, the breeders released their...