On top of that, marital quality research uses relative money worth as opposed to absolute income well worth (Lu and you can Ruan, 2017). Angrist and you may Evans (1998) suggest that once the specific women are away from work field, it is difficult to rely merely towards the ladies earnings to have research. Therefore, brand new subjective revenue from interviewees have been examined to measure earnings outcomes. Solutions into the concern “what is the quantity of your own earnings around of working” was obtained and you will rated with four rankings on the low so you’re able to the best. Continuarea