This paper uses a distinctive feature of the Irish education system to examine the impact of single-sex education on the gender difference in mathematical achievement at the top of the distribution. The Irish primary school system is interesting both for the fact that many children attend...

This paper examines the consequences of using self-reported measures of BMI when estimating the effect of BMI on income for women using both Irish and US data. We find that self-reported BMI is subject to substantial measurement error and that this error deviates from classical measurement...