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Define the Concepts Internal and External Validity

question 5

Essay

Define the concepts internal and external validity. Discuss why we say that for some experiments an attempt at increasing one type tends to jeopardize the other type.


Definitions:

Dividend Growth Model

A method for valuing a stock by using predicted dividends and discounting them back to present value.

Cost of Equity

The cost of equity is the return that a company is expected to pay to its shareholders for their investment in the company's equity.

Flotation Costs

Expenses incurred by a company when it issues new securities, including fees to underwriters, legal fees, and registration fees.

WACC

The Weighted Average Cost of Capital (WACC) is a calculation of a firm's cost of capital, where each category of capital is proportionately weighted.

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