Question
What is the primary role of organic matter in soil?
Solution
Organic matter promotes aggregation, improving porosity, aeration, and root penetration.
The coefficient of correlation between two variables X and Y is 0.6 .
The covariance between X and Y is 30 .
The variance of X is 25 .
...In the Solow model, what is the effect of an increase in the saving rate on the long-term growth rate of an economy?
A decrease in the tax to GDP ratio indicates which of the following:
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Slowing economic growth rate
Keynes assumed that the price level was fixed because
 Law of diminishing returns only applies to cases where
What is the effect of expansionary fiscal policy on output and unemployment?
A neutral technological change __________
In the New Keynesian (sticky-price) Model, what is the primary reason the short-run Aggregate Supply (AS) curve is positively sloped, and what is its ul...
 An increase in the international reserves of an economy indicates thatÂ
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