This paper considers the problem of hypotheses testing in a simple panel data regression model with random individual effects and serially correlated disturbances. Following Baltagi, Kao and Liu (2008), we allow for the possibility of non-stationarity in the regressor and/or the disturbance...

Food away from home (FAFH) has been associated with poor diet quality in many studies. It is difficult, however, to measure the effect of FAFH on diet quality since many unobserved factors, such as food preferences and time constraints, influence not just our choice of where to eat but also the...

Based on 2 days of dietary data and panel data methods, this study includes estimates of how each child’s consumption of food away from home, food from school (which includes all foods available for purchase at schools, not only those offered as part of USDA reimbursable meals), and caloric...

This study employs a rich four dimensional export data of Brazilian firms to empirically examine the effect of past exporting relationships of the firms, whose products are targeted by antidumping duties, on their export flows to alternative markets. We show that, on the intensive margin, firms...