We present data on grades from three Canadian universities. These data suggest that grading standards differ significantly across disciplines within universities. To the extent that grading standards are not uniform across disciplines, the grade point averages (GPAs) of students with different...

We investigate the origins of identity and the innate proclivity to draw a distinction between `insiders' and `outsiders'. We propose an evolutionary explanation: we argue that identity arises because it facilitates survival. In an evolutionary setting we endogenize preferences and demonstrate...

We argue that women may be disinclined to participate in market work in the rural areas of India because of family status concerns in a culture that stigmatizes market work by married women. We set out a theoretical framework that offers predictions regarding the effects of caste-based status...