For the Coase theorem to work there must be clear assignment of property rights

Refer to Table 2-9. Which of the following statements is true?

A) Serena has a comparative advantage in making both products. B) Haley has a comparative advantage in making both products. C) Haley has a comparative advantage in making bracelets and Serena in making necklaces. D) Haley has a comparative advantage in making necklaces and Serena in making bracelets.

With respect to the consumer price index, which of the following does not serve as an example of how the substitution bias arises? Between 2010 and 2011, the price of a pound of peanuts

a. rises from $0.80 to $1.00 while the price of a loaf of bread rises from $2.00 to $2.50. b. rises from $1.00 to $1.30 while the price of a loaf of bread rises from $2.00 to $2.30. c. remains constant, while the price of a loaf of bread rises from $2.00 to $2.30. d. falls from $1.00 to $0.80 while the price of a loaf of bread falls from $2.00 to $1.80.