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The design of social experiments : a critique of the Conslisk-Watts assignment model and its application to the Seatle and Denver income maintenance experiments
Keeley, Michael C., (1980)
Design of the Seattle/Denver income-maintenance experiments and an overview of the results
Keeley, Michael C., (1979)
The labor-supply effects and costs of alternative negative income tax programs
Keeley, Michael C., (1978)