Investments in oil and gas fields are regressed against variables on panel field-data from the start of oil and gas production on the Norwegian continental shelf in 1968 until 2016. Two alternative models track the observed investments aggregated across fields from 1970 until 2016 relatively...

We model EU countries' bank ratings using financial variables and allowing for intercept and slope heterogeneity. Our aim is to assess whether 'old' and 'new' EU countries are rated differently and to determine whether 'new' ones are assigned lower ratings, ceteris paribus, than 'old' ones. We...