“…Eliezer Kaplan School of Economics and Social Sciences, Hebrew University…”

“…Published for the Department of Applied Economics, University of Cambridge, by Chapman and Hall…”

“…published for the Nuffield Provincial Hospitals Trust by the Oxford University Press…”

“…published for the Nuffield Provincial Hospitals Trust by the Oxford University Press…”

“…published for the Nuffield Provincial Hospitals Trust by the Oxford University Press…”

“…published for the Nuffield Provincial Hospitals Trust by the Oxford University Press…”

“…published for the Nuffield Provincial Hospitals Trust by the Oxford University Press…”

“…published for the Nuffield Provincial Hospitals Trust by the Oxford University Press…”

“…Nova Southeastern University ; Instituto Tecnológico de Santo Domingo…”

“…Published for The Department of Applied Economics, University of Cambridge by Chapman and Hall…”

“…Published for the Nuffield Provincial Hospitals Trust by Oxford University Press…”

“…Published for the Nuffield Provincial Hospitals Trust by the Oxford University Press…”

“…European University Association = Association européenne de l'université…”

“…Published for the Department of Applied Economics, University of Cambridge by Chapman & Hall…”

“…Published for the Department of Applied Economics, University of Cambridge by Chapman & Hall…”

“…National Bureau of Economic Research : distributed by Columbia University Press…”

“…Division of Research, Graduate School of Business Administration, Harvard University…”

“…Harvard University, Division of Research, Graduate School of Business Administration…”

“…Comparative Education Research Centre, The University of Hong Kong [etc.]…”

“…Department of Egyptology and Ancient Western Asian Studies, Brown University…”