... million in output, 8,376 person-years of employment, $382 million in labor income and $506 million in gross regional product. Economic Impacts during the Production and Post-Production Phase ... billion in output, 41,501 person-years of employment, labor income of $2.3 billion and gross regional product of $5.9 billion. On an annual basis, these numbers translate into $923 million in output, ... measures the economic impact of the Rosemont Copper Project on employment, labor income, output, gross regional product and tax revenue in Pima County, Arizona, during the project’s construction,...