"(Agriculture." . . "Agriculture)" . "Communism." . . . . "Costs." . . "Ussr." . . "Commerce." . . . . . . . . . . . "On collective farms and producer co-operatives" . "On collective farms and producer co-operatives"@en . . . . "The study consists of four parts: in the first, Ward's creation, called the 'Pure Model' of a co-op is re-worked with a generalized production function. The tenor of Ward's findings (based on a single-output, one-or-twoinput function) is confirmed, but some of the results are made more definite, and one is reversed. The second part is a short digression on a co-op as a monopolist. In the third part, the co-op is faced with a supply schedule of labor; this makes the model much more realistic and reverses the paradoxical results of the 'Pure Model'. A summary and conclusions are presented in the fourth part."@en . . . . . . . . . . "Labor." . . "RAND CORP SANTA MONICA CALIF." . . "Production." . . "Economics)" . . "(Economics." . "Mathematical models." . .