Economic Models

question 174

Multiple Choice

Economic models

• A)cannot be useful if they are based on false assumptions.
• B)were once thought to be useful,but that is no longer true.
• C)must incorporate all aspects of the economy if they are to be useful.
• D)can be useful,even if they are not particularly realistic.

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Definitions:

Market Portfolio

An investment portfolio that theoretically includes all assets in the market, with each asset weighted according to its market capitalization.

Expected Return-Beta Relationship

A concept in the Capital Asset Pricing Model (CAPM), indicating that the expected return on an investment is related to its beta, which measures the investment's volatility relative to the market.

CAPM

Capital Asset Pricing Model, a financial model that describes the relationship between systematic risk and expected return for assets, particularly stocks.

Marginal Price

This is the cost of producing one additional unit of a good or service.