The phrase "sample countries" is correct and usable in written English.
You can use it when referring to a selection of countries that serve as examples or which are being used to analyze certain information. For example, you might say: "We analyzed data from five sample countries in order to determine the average happiness index of high-income nations."
The PLS SEM results were used to calculate scores of the two TDI variations for each of the sample countries.
If increases in unit values satisfactorily proxy increases in product quality, then trade integration has fostered product upgrading and technological learning in the sample countries.
Results indicate that, for each of the three SES variables examined, achievement gaps have increased in a majority of sample countries.
To measure the short-term orientation of a country, we gathered information on the cultural dimensions of the sample countries using information from Geert Hofstede's dimensions of national culture.
Technological inflows are captured by the degree of involvement of European companies in export flows from our sample countries (outward processing trade (OPT)) and by the skill content of the machines imported.
If you eliminate from Reinhart and Rogoff's sample countries with very high indebtedness — those with debt-to-G.D.P. ratios of more than a hundred and twenty per cent — and very low indebtedness — those with debt-to-G.D.P. ratios less than thirty per cent — the negative relationship between growth and debt is hard to discern.
Even when they remove from the sample countries actively at war, the findings are the same: more militarism equals less trade growth.It's the difference between global politics as a zero sum game and as a positive sum game.
The empirical results from a multivariate framework involving carbon dioxide (CO2) emissions reveal that for only 3 of the 21 nuclear countries studied, a linear form of the relationship can be justified and that nuclear energy goes from being a normal good to being an inferior good for the majority of the sample countries.
Section 2 compares FDI policies and performance of the sample countries.
Lastly, specification (4) shows the result of full sample countries taking into account the same determinants.
The results also confirm causal linkages between FDI and TOTV in the sample countries.
