0 across fields and countryside -- przełajowy, biegowy, na przełaj, na nartach biegowych
1 from one side of a country to the other side -- krajowy, na trasach krajowych
This makes cross-country comparisons about the efficiency of national (or regional) pollution strategies difficult.
Until recently, studies of the empirical relationship between growth and inequality are mostly based on cross-country regression analysis.
The impacts of institutional and policy variables can be revealed by cross-country analysis, which provides for wide variation of institutions.
We show that having only time variations or cross-country information does not produce either systematic or robust gains.
As a result, cross-country variation in within-sector risk sharing may be limited.
Some respondents may consult other cross-country rankings in order to provide a seemingly better informed response.
Finally, we evaluated whether cross-country information helps to forecast domestic inflation.
The statistics show some cross-country variations, but the magnitude of the differences is small.
