Pope John XXIII
Mater et Magistra §32
Mater et Magistra: On Christianity and Social Progress
32 In this connection, as Our Predecessor clearly points out, it is advisable in the present circumstances that the wage-contract be somewhat modified by applying to it elements taken from the contract of partnership, so that "wage-earners and other employees participate in the ownership or the management, or in some way share in the profits." (11)
Source: Mater et Magistra (Vatican.va)