A report issued by the White House's Council on Economic Advisors on June 20 entitled "Immigration's Economic Impact" cited research by MacArthur grantee and economist Giovanni Peri at University of California, Davis. Peri's work helped demonstrate the numerous benefits of immigration for the US economy. Dr. Peri is developing novel ways to estimate the economic benefits of migration, including measuring migrants' impacts on innovation, the cost of services, complementarities with US workers, and incentives for natives to upgrade their skills.