A country with an absolute advantage can produce a good or service more slowly than another country.
more efficiently than another country.
less efficiently than another country.
in twice the time as another country.

To travelers know what to expect researchers collect the prices of commodities

In the short-run, marginal costs are equal to the change in variable costs as output changes. ( mc = change in variable cost / change in quantity) assume that capital is fixed in the short-run. (a) start with the equation for marginal cost and derive an equation that relates marginal cost of production to the cost and productivity of labor. (b) draw a standard looking short-run marginal cost curve and use the equation you derived to explain its shape.

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