One of the basic assumptions of the classical dynamic lot-sizing model is that theaggregate demand of a given period must be satisfied in that period. Under thisassumption, if backlogging is not allowed then the demand of a given period cannotbe delivered earlier or later than the period. If...

One goal of the paid family leave (PFL) is to help working mothers balance their careers and family responsibilities and hence improve the well-being of their infants. However, most studies of PFL on early childhood outcomes have been based on the analyses of surviving infants. If PFL reduces...