Greene Street Project
A Long History of a Short Block
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by William Easterly, Laura Freschi, and Steven Pennings
Economic development is usually analyzed at the national level, but the literature on creative destruction and misallocation suggests the importance of understanding what is happening at much smaller units. This paper does a development case study at an extreme micro level (one city block in New York City), but over a long period of time (four centuries). We find that (i) development involves many changes in production as comparative advantage evolves and (ii) most of these changes were unexpected (“surprises”). As one episode from the block’s history illustrates, it is difficult for prescriptive planners to anticipate changes in comparative advantage, and it is easy for regulations to stifle creative destruction and to create misallocation. If economic growth indeed has a large component for increases in productivity through reallocation and innovation, we argue that the micro-level is important for understanding development at the national level.
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