An economic analysis of the Rosemont copper project by the L. William Seidman Research Institute in the W. P. Carey School of Business at Arizona State University concludes that,
The Rosemont Copper Project would have lasting positive effects on the economy of the study area. Permanent changes to the regional economy would occur as a result of the increased levels of economic activity associated with the development and operation of the Rosemont mine. These changes would result in residual economic impacts in the Pima/Santa Cruz Counties area. Even five years after the end of production at the mine, economic activity would be $75 million per year higher and area residents’ income $37 million per year more than if the Rosemont Copper Project had never existed.The study is included in a newly released report by the Arizona Dept. of Mines and Mineral Resources titled, "Study of Mineral Production with Reference to the Rosemont Copper Project."