Various panel models were presented to resolve the ranking of global health care systems according to efficiency … healthcare systems of WHO members with regard to spatial dependencies while distinguishing between heterogeneity and inefficiency …

panel data to control for heterogeneity is largely underused in empirical practice. At the same time, our inspection of … causal inferences. This discourse introduces panel data as an important instrument to defend the interpretation of … coefficients as effects: by focusing on what is going on within individuals, panel data allow for longitudinal empirical modelling …

. Demand system residuals are also frequently found to be highly persistent, further complicating estimation and inference. We …

Heterogeneity among firms has been an important issue in studying firms’ technical efficiencies. If firms do not … econometric techniques appropriate for the threshold SF model with panel data. To determine the optimal number of regimes, we use …

Using country-level panel data from 1950 to 2003, this paper critically examines the impact of the US Visa Waiver …

change in job satisfaction response for individuals observed right before and after the transition. Utilizing the panel … feature of the British Household Panel Survey, we find that transition to ownership reduces job satisfaction within a year … following the purchase—controlling for observed variation and unobserved heterogeneity. The reduction in job satisfaction is …

change in job satisfaction response for individuals observed right before and after the transition. Utilizing the panel … feature of the British Household Panel Survey (BHPS), we find that transition to ownership reduces job satisfaction within a … year following the purchase|controlling for observed variation and unobserved heterogeneity. The reduction in job …