Can We Lower Construction Costs with Cheaper Labor or Materials?

3D printed structure, via Wikipedia.Last time in our series on the nature of the construction productivity problem, we looked at economies of scale, finding that capturing economies of scale in homebuilding is difficult. Economies of scale primarily operate on the difference between the costs of the material inputs to some process and the cost of the final product. With housing construction, this ratio is already pretty low, not much higher than what we see in high-volume manufacturing industrie...