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TOTAL ACADEMIC EXPENDITURES AND REVENUES 66 TOTAL ACADEMIC OPERATING REVENUES: SOURCES Over the past three decades, total academic operating revenues have increased more than 400 percent, accounting for inflation, exceeding $110 billion in 1988. This represents an average real growth rate of 6.4 percent per year since 1958. State funds and income from tuition contributed most to this growth; total federal funds to academic institutions have essentially been level since the late 1960s and, consequently, have declined as a share of academic revenues from 20 percent in 1968 to 10 percent in 1988. Figure 2-50: Academic Institution Operating Revenues by Source of Funds Figure 2-51: Distribution of Academic Institution Operating Revenues by Source of Funds NOTE: Data series within the figures are not overlapped; top line represents total. Financial data are expressed in 1988 constant dollars to reflect real long-term growth trends. DEFINITION OF TERMS: Academic institutions include 185 doctoral institutions, 1,224 comprehensive institutions, and 1,388 2-year institutions. Federal sources include (1) dollars appropriated or made available by the federal government to public or private institutions of higher education for current operating expenses, such as land-grant appropriations and revenue sharing funds and; grants and contracts for specific research projects; and other types of programs, such as administrative allowances for student aid; excludes funding for federally funded research and development centers (FRRDCs). Tuition include all assessments against students for current operating purposes, but charges for room, board, and other services rendered by auxiliary enterprises are not included. State/Local sources include dollars appropriated or made available by state and local governments to public or private institutions of higher education for current operating expenses and or for specific projects or programs. Private income includes private gifts and grants that are directly related to instruction, research, or public service; moneys received as a result of gifts, grants, or contracts from a foreign government are included, as well as an estimated dollar amount for contributed services. Endowment income includes the unrestricted income of endowment and similar funds. Other includes sales and services fees from educational activities; revenues derived from the sales of goods or services, and revenues from hospitals and FFRDCs. SOURCE: National Science Foundation, Division of Policy Research and Analysis. Database: CASPAR. Some of the data within this database are estimates, incorporated where there are discontinuities within data series or gaps in data collection. Primary data source: U.S. Department of Education, National Center for Education Statistics, Higher Education General Information Survey (HEGIS): Financial Statistics of Institutions of Higher Education.