Does ‘upzoning’— allowing taller, denser housing to be built — actually work?

For most California housing experts, the solution to the state’s housing crisis is pretty intuitive: Build more housing. Study after study has indicated that too much demand and too little supply has led to the state’s exorbitant rents and sky-high home prices.
But what policies will actually induce more homes to be built? And once those homes are built, do things really play out in the real world as you would expect in an Econ 101 textbook?
A new and highly publicized study from a d