Suppose a firm in a competitive market produces and sells 8 units of output and has a marginal revenue of $8 . What would be the firm's total revenue if it instead produced and sold 4 units of output?

If the Kyoto Protocol requires developed countries to reduce emissions of greenhouse gases, but developing countries are not required to do so, why might a developed country still agree? Should it?

What will be an ideal response?

Leontief's results can be interpreted as

A) evidence against the classical model. B) evidence against the Heckscher-Ohlin model. C) support for the classical model. D) support for the Heckscher-Ohlin model.