Various panel models were presented to resolve the ranking of global health care systems according to efficiency. However, in terms of the spatial distribution of statistical units, spatial dependence as a result of various forms of spatial interactions caused biased estimators in classical...

This paper uses the General Household Survey data for the UK to study earnings discrimination between natives and migrants. The key result is that the main source of discrimination is ethnicity rather than migrant status per se. This paper differs from the conventional focus in studies of...