Both in the model with agreeing spouses and the model with noncooperative spouses, such a preference has an equalising effect on the division of labour between the partners.

• 据过去研究发现，外籍与中国大陆籍配偶普遍于婚后一年半内生育第一胎，且生育间隔较短，采取避孕措施以调节生育之人数亦较少。