How many happy gamblers, jobs and profits does it take to make up for the suicides, bankruptcies and domestic violence? Regulators must make cost-benefit guesstimates when considering applications.
Despite repeated calls for an overhaul of New Zealand's marketing regulations to protect children from exposure to ads for unhealthy products, successive governments have failed to act.
With leagues lobbying for their share, a thriving illegal market that needs to be stifled, and bettors chomping at the bit, the headaches are just beginning.
Many states are pondering making gambling on sports legal after the US Supreme Court overturned a federal ban. But is the industry really worth as much as some say it is?
On December 30, 1967 the UK's highest court drew a line in the sand over the rise of casinos. Here's what happened next.