Gains from Trade Can Only Occur When

question 10

Multiple Choice

Gains from trade can only occur when

• A) marginal rates of substitutions differ across people.
• B) marginal rates of substitution are equal across people.
• C) indifference curves are convex.
• D) people find themselves on the contract curve.

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Definitions:

PAMPs

Pathogen-associated molecular patterns. Molecules found on or in microorganisms that can be pathogenic.

Complement

A system of small proteins found in the blood that assists the immune system in destroying pathogens.

Community Immunity

Also known as herd immunity, it is the resistance to the spread of a contagious disease within a population that results if a sufficiently high proportion of individuals are immune to the disease, especially through vaccination.

Type A Blood

A blood group within the ABO system characterized by the presence of A antigens and anti-B antibodies in the plasma.