We've talked a lot about productivity. The productivity in building a house has been going steadily down. The graph shows the time to completion of housing is going up.
There hasn't been a lot of change in how a house is built. We need to look at things like new modular construction. We need a lot of houses. How are we going to build those efficiently and quickly, get the cost down and make them more affordable? That's what's going to make housing more affordable.