The impact of immigration on gross domestic product per capita has been small but positive. It is, however, difficult specifically to quantify. The impact of immigration on gross domestic product per capita is discussed in more detail in a cross-departmental report1 in sections 3.3 and 3.4.
1 Home Office and Department of Work and Pensions (2007). The Economic and Fiscal Impact of Immigration: A Cross-Departmental Submission to the House of Lords Select Committee on Economic Affairs. www.homeoffice.gov.uk/documents/economic-impact-of-immigration.