APA (7th ed.) Citation

Gray, W. B., & Shadbegian, R. J. (2001). When do firms shift production across states to avoid environmental regulation? NBER.

Chicago Style (17th ed.) Citation

Gray, Wayne B., and Ronald J. Shadbegian. When Do Firms Shift Production Across States to Avoid Environmental Regulation? Cambridge, Mass: NBER, 2001.

MLA (9th ed.) Citation

Gray, Wayne B., and Ronald J. Shadbegian. When Do Firms Shift Production Across States to Avoid Environmental Regulation? NBER, 2001.