Joe likes peanut butter and jelly sandwiches for lunch. We can conclude that for Joe the cross elasticity of demand for peanut butter with respect to jelly is
A) positive because jelly and peanut butter are substitutes.
B) positive because jelly and peanut butter are complements.
C) negative because jelly and peanut butter are substitutes.
D) negative because jelly and peanut butter are complements.
Question 2
Based on the data in the table above, in the adjustment towards the long-run equilibrium
A) money wage rates will rise.
B) the aggregate demand curve will shift leftward.
C) the short-run aggregate supply curve will shift leftward.
D) the short-run aggregate supply curve will shift rightward.
Toast to Jelly and Jam
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Phenotype proportions in the progeny of a dihybrid cross performed by Mendel