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In a two-country Classical model of trade with many commodities, briefly explain what would happen to the structure of trade in each of the following cases:(a) an increase in wages in one country;
(b) a change in the exchange rate;
(c) an improvement in productivity (lowering of the labor requirements/product) in one
country; and
(d) an increase in transportation costs.
Coefficient Of Determination
A statistical measure, often symbolized as R^2, that represents the proportion of the variance in the dependent variable predictable from the independent variable(s).
Correlation Coefficient
A measure that determines the degree to which two variables' movements are associated, ranging from -1 (perfect negative correlation) to +1 (perfect positive correlation).
Prediction Interval
An estimate of an interval in which future observations will fall, with a certain degree of confidence, based on a predictive model.
Linear Regression
A mathematical approach that models how a dependent variable changes based on one or several independent variables, by adapting a linear equation to the data collected.
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