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Politicians and pundits frequently refer to the ability of the President of the United States to "create jobs" in the U.S. during his or her term in office.〔(NYT-Laura D'Andrea Tyson-Jobs Deficit, Investment Deficit, Fiscal Deficit-July 2011 )〕 The numbers are most often seen during the election season or in regard to a President's economic legacy. The numbers typically used and most frequently cited by economists are total nonfarm payroll employment numbers as collected by the Bureau of Labor Statistics on a monthly and annual basis. The BLS also provides numbers for private-sector non-farm employment and other subsets of the aggregate that are more useful for making points. ==Methodology== The job numbers are estimates generated via a survey of thousands of businesses. The sample establishments are drawn from private nonfarm businesses such as factories, offices, and stores, as well as federal, state, and local government entities. Employees on nonfarm payrolls are those who received pay for any part of the reference pay period (which includes the 12th of the month), including persons on paid leave. As of 2005, the sample includes about 160,000 businesses and government agencies covering approximately 400,000 individual worksites. These monthly job counts are revised (sometimes by 20% or more) within 90 days to reflect additional data, seasonal adjustment models, and annual adjustments resulting from unemployment insurance filings. The numbers generated by the BLS are actually "total employment," and the "new jobs" numbers cited are simply "the change in total employment." Thus, they reflect "net new jobs" and do not attempt to estimate the absolute number of new jobs. In a measurement period, if productivity improvement eliminated the need for 100,000 jobs and business activity caused the need for 100,000 new positions, the BLS numbers would reflect 0 "new jobs." 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Jobs created during U.S. presidential terms」の詳細全文を読む スポンサード リンク
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