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What did the gravity equation predict about trade within and beyond the borders of a nation?

According to the Specific-Factors Model, when immigration increases the supply of labor, which of the following is NOT likely to happen?

A study of the results of the Mariel boat lift on wages in Miami found:

A corollary to the Rybczynski theorem is that, in the long run, prices of factors of production will NOT be affected by an increase in labor.  This is known as:

What is the value of the index of intra-industry trade for an industry in which exports are $100 million and imports are $200 million?

Use the graphic below to answer the following question. According to the diagram, which nation has a higher “no-trade” equilibrium relative price for shoes (in terms of computers)?

The Heckscher-Ohlin model of international trade uses ________ and ________ to explain trade patterns.

If we measure scarcity or abundance correctly, we should use the concept of “effective factor endowment.”  This means:

The Ricardian model can be simplified and made more explanatory by assuming that there is only one resource used in producing goods. What did Ricardo assume the resource was?

Use the table below to answer this question:   Consider the productivity of workers in all three sectors of the table.  In the United States, the dollar value of textiles foregone in order to produce an additional bushel of wheat is __________, while in China, the dollar value of textiles foregone in order to produce an additional bushel of wheat is __________.