Rent control is not the only problem plaguing housing in Mumbai, India. Mumbai also makes it very costly to build skyscrapers. In this video, I discuss the floor space index (FSI), a regulatory tool used around the world to tradeoff plot size and height. Higher FSI lets builders economize on land, reduces sprawl, and increases the value of public transportation. The lessons in urban economics go well beyond Mumbai. Check out the video. It’s one of the best in MRUniversity‘s India series.