Research on the effects of enterprise zones - especially state programs - has generally failed to find evidence of beneficial effects such job growth or poverty reduction. In contrast, Ham, Swenson, Imrohoroğlu, and Song (2011, hereafter HSIS) present evidence that state and federal enterprise...

We estimate the effects of Wal-Mart stores on county-level retail employment and earnings, accounting for endogeneity of the location and timing of Wal-Mart openings that most likely biases the evidence against finding adverse effects of Wal-Mart stores. We address the endogeneity problem using...