1. Overall, earnings grew by about 18 percent and 6 percentin North Dakota and the three-state region, respectively2. These estimates suggest that that temporary migration:2.1 Increased by 64 percent in North Dakota2.2 Increased by 31 percent in the three-state region3. These are large effects4. Next, I plan to expand this study to the other regionsimpacted by the shale boom.
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