Heteroskedasticity in ordered response models has not garnered enough attention in the literature. Econometric software packages do not handle this problem satisfactorily either. We provide formulas to calculate heteroskedasticity corrected marginal effects and discrete changes using an approach...

High profile cases of exploitative labor practices have increased concerns over agricultural working conditions. However, it is unclear whether and to what extent the public is willing to trade-off fair working conditions for higher prices and food imports. We implement a large-scale survey to...

Marginal changes of interacted variables and interaction terms in random parameters ordered response models are calculated incorrectly in econometric softwares. We derive the correct formulas for calculating these marginal changes. In our empirical example, we observe significant changes not...

In this paper we examine the effect of dollar stores on children's Body Mass Index (BMI). We use a dataset compiled by the Arkansas Center for Health Improvement which created and implemented the BMI screening process for all public school children in the state of Arkansas. We combine propensity...