Ricardian Model. Consider two countries: A and B. Labour is the only factor of production for goods X and Y.   Consider the following matrix of unit labour requirements.     X Y Labor Endowments Country A aLx  =  8 aLy   =  4 240 Country B aLx* =  6 aLy* =  2 120   Which country has an absolute advantage in producing good X? Good Y? Which country has comparative advantage in producing good X? What is the autarky relative price of good X for country A? For country B?

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. Ricardian Model. Consider two countries: A and B. Labour is the only factor of production for goods X and Y.

 

Consider the following matrix of unit labour requirements.

 

 

X

Y

Labor Endowments

Country A

aLx  =  8

aLy   =  4

240

Country B

aLx* =  6

aLy* =  2

120

 

  1. Which country has an absolute advantage in producing good X? Good Y? Which country has comparative advantage in producing good X?
  2. What is the autarky relative price of good X for country A? For country B?
  3. Draw the world relative supply curve RS for good X. Label all the axes (relative price of good X on the vertical axis and world output of x relative to y on the horizontal axis) and the relevant points.
  4. Suppose that the world relative demand RD for good X is given by:

 

      (Px/Py) = 7 – 9 * ( ( Qx +Q*x) / (Qy + Q*y) ).

 

      With free trade: (i) What will be the equilibrium world relative price of good X be equal to? (ii) Calculate the equilibrium wage rate w in A relative to that in B under free trade: w/w*.

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