Lubik, Thomas A. "How Large Are Returns to Scale in the U.S.? : A View Across the Boundary," in Federal Reserve Bank of Richmond. "First Quarter 2016, Vol. 102, No. 1," Economic Quarterly (Federal Reserve Bank of Richmond) (First Quarter 2016) : 79-103. https://fraser.stlouisfed.org/title/960/item/539724/toc/519420 , accessed on April 18, 2024.