Marginal costs that cannot be attributed to individual units of commodities but are incurred by society as a whole are:

• a. Internal costs of production
• b. Social marginal Costs
• c. Costs of intermediate inputs
• d. Sunk costs

The Slutsky Substitution Effect assumes that:

• a. the consumer's real income has changed.
• b. the original commodity bundle can be purchased at the new relative price vector
• c. there is no difference with its Hicksian counterpart.
• Selected:
• d. the original preference ordering changes because of a change in relative prices.

Advertising in monopolistic competition is a tool of:

• a. Non-price competition
• b. Price competition
• Selected:
• c. Product development.
• This answer is incorrect.
• d. Collusion

A collection of all FEASIBLE PRODUCTION PLANS is defined as a:

• a. Technical Efficiency Parameter
• Selected:
• b. Returns to Scale Parameter
• This answer is incorrect.
• c. Technology Set
• d. Modified production plan.