form+of+productive+effort

  • 131PHILANTHROPY — Introduction At the close of the 18th century the communal system of fund raising for charity with authority vested in the charity overseers (Gabba ei Ẓedakah) – to tax members of the community in order to ensure appropriate giving – was on the… …

    Encyclopedia of Judaism

  • 132Factors of production — In economics, factors of production means inputs and finished goods means output. Input determines the quantity of output i.e. output depends upon input. Input is the starting point and output is the end point of production process and such input …

    Wikipedia