Fig 1.
Sample Institutions, Percent of U.S. Totals, Selected Variables, 1990–2009.
Table 1.
Annual Average Values of Key Variables, by Decade and University Characteristics.
Fig 2.
Expenditures, Postdoc Researchers, Faculty and Doctorates, Sample Institutions, 1989–2009.
Fig 3.
Index of Expenditures and Publications, Sample Institutions, 1990–2009.
Fig 4.
Cost per Publication, 1990–2009.
Fig 5.
Median Total Cost per Publication, 1990–2009.
Table 2.
OLS Panel Regressions Determinants of Publications, Citations, and Average Number of Citations per Publication.
Table 3.
OLS Panel Regressions. Determinants of Publications, Citations, and Average Citations per Publication, by University Type.
Fig 6.
Year Effects from OLS Regression: Number of Publications, Number of Citations and Number of Citations per Article.
Table 4.
First Stage IV Regressions Determinants of Number of Publications.
Table 5.
IV Regressions. Determinants of Publications, Citations, by University Type. Instruments: Math & Physics Federal R&D, Math and Physics non-federal R&D, Fall Enrollment.
Fig 7.
Year Effects from IV Regressions on Number of Publications and Citations.