“Costly state incentives to lure film production and jobs may actually be paying off, at least in New York. A study of New York’s tax breaks for movie and television production suggested that a 30 percent credit offered by the state, along with an additional 5 percent offered by New York City, could be expected to keep or create about 19,500 jobs while yielding $404 million in tax revenue, at a cost of $215 million in credits.”