Original sentence: According to this theory, underlying factors include a full tax exemption for public assistance while employment income is taxed; a pattern of welfare paying more per dependent child (while employers are prohibited from discriminating in this manner, and their workers often must purchase daycare); or loss of welfare eligibility for the working poor ending other means-tested benefits (public medical, dental, or prescription drug plans; subsidised housing; legal aid), which are expensive to replace at full market rates.If the withdrawal of means-tested benefits that comes with entering low-paid work causes there to be no significant increase in total income or even a net loss, then this gives a powerful disincentive to take on such work.The "welfare trap" theory describes perverse incentives that occur when money earned through part-time or minimum-wage employment results in a reduction in state benefits that would have been greater than the amount earned, thereby creating a barrier to low-income workers re-entering the workforce.The welfare trap theory's accuracy is disputed, and some studies have shown the poor individuals who are given money tend to spend it on necessities, and continue working