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...Economics t education review vol no pp pergamon copyright elsevier science ltd printed in great britain all rights reserved oo s of a research agenda george psacharopoulos l the world bank h street nw washington dc u abstract paper presents systematic taxonomy areas and gives number key topics that deserve more attention future emphasis is put on documenting unit cost at different schooling levels curriculum types along with learning earning outcomes evidence costs benefits from both private social point view can lead to efficiency equity assessments an educational system among where effort should be intensified are screening hypothesis measuring externalities quality introduction table broad over time themes gone days when type literature could annotated handful items mark blaug first bibliography period rate return subject explosion field x such today similar would occupy several volumes if not encyclopedia for modest attempt see it customary before suggesting provide overview what w...