This document discusses a proposed study examining the relationship between children's academic performance, intergenerational power, and parental investment in Chinese intergenerational coresidence. The study would use data from the China Family Panel Studies to analyze how intergenerational power influences children's academic performance and how performance may in turn affect parental investment. A theoretical framework of resource dilution is discussed. The methodology would employ quantitative analysis of variables such as parental investment, intergenerational power, and academic performance extracted from the longitudinal survey data.