Testing rent sharing using individualized measures of rent: evidence from domestic helpers
利用雇主时间成本与家政人员工资之差作为个体租金度量，发现工资与租金正相关，但租金分享更符合匹配模型而非效率工资模型，且新到外籍家政人员中未观察到租金分享。
The market for resident domestic helpers offers a rare opportunity where the surplus from employment relationship can be quantitatively measured for each individual employee. Using the difference between employer's cost of time and employee's wage as a measure of rent, it is found that wages for domestic helpers are positively related to rent. However the apparent sharing of rent is better explained by matching than by efficiency wage models. Rent sharing is observed even in households where monitoring or turnover costs are low. Rent sharing is not observed among newly arrived foreign domestic helpers, whose ability remains to be revealed.