I would like to share your optimism, but I don't believe that sufficient evidence exists yet to back it. After all, it's not always true that changing black ma

I would like to share your optimism, but I don't believe that sufficient evidence exists yet to back it. After all, it's not always true that changing black markets into white markets is a net good for society. There are still black markets for slaves, after all, and more slaves today than in the past, even if the proportions have gone down.