In a Bertrand Model with Differentiated Products

question 118

Multiple Choice

In a Bertrand model with differentiated products,

• A) firms can set price above marginal cost.
• B) firms set price at marginal cost.
• C) price is independent of marginal cost.
• D) firms set price independently of one another.

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Definitions:

Competitive Equilibrium

A market situation where supply equals demand, ensuring no economic profit for firms in perfect competition.

Perfect Complements

Goods that are consumed together in fixed proportions, where the utility derived from consuming the combination is greater than the sum of utilities from consuming the goods separately.

Pure Exchange Economy

An economic model where there is no production, and agents trade endowments of goods that they own initially.

Utility Function

A mathematical representation of how consumers rank different bundles of goods according to the levels of satisfaction those goods provide.