The Many dimensions of productivity / Robert A. Wallhaus -- Learning by observing the performance of schools / Eric Hanushek -- Examining efficient joint production / Daryl Carlson -- Efficiency and productivity : a behavioral view / Wayne Kirschling, Robert Staaf -- Productivity from an interorganizational perspective / Richard J. Meisinger, Jr., Ralph A. Purves, Frank A. Schmidtlein -- Opportunities for improving productivity / David R. Witmer.