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The reason is that per capita values instead of aggregate values (which the model is designed for) are used.
Per capita values of GDP and health expenditure are highly correlated (Spearman rank correlation rho = 0.964) and hence cannot be included into one multiple regression.
Linear regression analysis was used to assess the effects of per capita values of GDP, health expenditure and public education expenditure on cumulative IF per capita.
For livestock wealth, a measure of herd size is converted into tropical livestock units (TLUs) and expressed in per capita values.
The population-adjusted research activity determined by the number of articles published, the cumulative impact factor (IF) and the cumulative IF per capita were correlated with per capita values of the GDP, health expenditure and public education expenditure.
The population-adjusted radiological research activity (cumulative IF per capita) correlated significantly with per capita values of the GDP (R = 0.94,P < 0.0001), health expenditure (R = 0.93,P < 0.0001), and public expenditure on education (R = 0.93,P < 0.0001) (Figs. 6, 7, 8).
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That would be equivalent to £2,700per person in Scotland, significantly more than the £400 net per capita value in England, or the £1,000 per person value in Wales.
In the same period the per capita value of such contracts dropped from $296 to $213 in Massachusetts, from $247 to $100 in Vermont, from $222 to $137 in New Hampshire, from $138 to $102 in Rhode Island, and from $77 to $57 in Maine.
The study further found that these two attributes (i.e. real receipts per capita and value added) strongly correlate with quality of life stressing the attributes of receipts per capita, value added and quality of life and their correlation as important elements in the descriptive theory building of tourism competitiveness.
To illustrate the impact of reductions in defense con tracts, Edwin L. Caldwell, vice president and economist of the Connecticut Bank and Trust Company in Hartford, noted that the per capita value of prime defense con tracts in Connecticut dropped from $795 in fiscal 1968 to $414 in fiscal 1970.
Fig. 7 Composition of GDP and per capita value.
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