A new Glaeser and Gyourko paper on productivity in the construction sector just came out. It suggests that a lot of the sector's productivity problems are down to land use regulations.
Their case includes a lot of graphs, like this:
Conversation
The paper is worth a read, but it's 132 pages and there are no graphs that illustrate their whole case very well.
Here's a link:
California has the nation’s highest housing costs. Some blame a housing shortage; others, government policies. We sit down with experts to explore what’s driving costs and discuss the state-mandated Housing Development initiative and why some cities push back.
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Why Housing Costs Are Still Through the Roof in California