We used housing assignment data from a college in China to investigate peer effects on college grades. Study results provided some evidence for peer effects in college housing units. First, peer effects through means occurred during both fall and spring semester of the first year in college, with estimated effect much larger than that in previous…

This paper examines the effects of roommates on students' academic outcomes exploiting the randomized roommate assignment system at a selective Chinese university. Unlike earlier studies that could not measure students' academic quality precisely, this paper makes two important improvements in measuring their English proficiency and overall…