“…In predominantly common-ownership workers' cooperatives there is a reduced incentive to reinvest earnings because members cannot retrieve the principal or the future earnings of their capital from the enterprise upon leaving (a 'reinvestment horizon problem ': Furubotn and Pejovich 1970, Vanek 1975, F'urubotn 1976, Thornley 1981, Defourny 1986b, Ellerman 1990, pp. 98-100, Bartlett et al 1992, p. 113, Bonin et al 1993, but see Uvalic 1986, who defends common ownership and blames capital maintenance requirements for underinvestment in this type of cooperative -workers cannot recover the principal of a reinvestment if they are not allowed by the cooperative's rules to pay themselves the depreciation charges). A predicted consequence would be that these cooperatives should have shorter time horizons than capitalist firms (see discussions in Ellerman 1986, Minkler 1989.…”