 This depends, in part, on the saving and labor supply of unborn generations who will be saving and working when he reaches old age.In short, the economic decisions of one generation are interlinked with those of others because of general equilibrium considerations in which each year's collective supplies of capital and labor must equal that year's aggregate demands for these inputs.And the path of interest and wage rates must be such as to clear (equate supplies to their respective demands) these factor markets at each point in time.