His On economic poverty, 1983: t.p. (James E. Foster; Institute for Research in the Behavioral, Economic, and Management Sciences, Krannert Graduate School of Management, Purdue Univ., West Lafayette, Ind.)
Phone call to J.E. Foster, 7/3/84 (James Eric Foster, b. 11/4/55)
"Involuntary" unemployment as a principal-agent equilibrium, 1983: t.p. (J. Foster) p. 11 (Purdue Univ.)
On economic inequality, 1997: t.p. (James Foster) cover p. 4 (James E. Foster; prof. of econ. at Vanderbilt U.)