United States Government today. Jenks and Lauck argued that immigration adversely economic outcomes for native-born Americans. A 2019 study by several economic historians found that the immigration restrictions that Jenks advocated for did not improve economic outcomes for native-born Americans. Dictionary of Races Jenks and his key staff assistant, anthropologist Daniel Folkmar collaborated on an extensive Dictionary of Races that became an important feature of the Commission's report to Congress. In their Dictionary of Races, Jenks and Folkmar stated that their principal task was to discover "whether there may not be certain races that are inferior to other races... to show whether some may be better fitted for American citizenship than others." The Dictionary, along with other commission reports, was cited frequently in subsequent immigration debates. Selected publications His books include: Dictionary of Races The Trust Problem (1900). The Immigration Problem (with W. J. Lauck, 1911). Principles of Politics (1909). Governmental Action for Social Welfare (1910). References External links 1856 births 1929 deaths American economics writers American male non-fiction writers American political writers Cornell University faculty Cornell University Department of History faculty New York University faculty University of Michigan alumni Presidents of the American Economic Association People from St. Clair, Michigan Economists from Michigan Scouting pioneers