Wize University Introduction to Finance Textbook > Equity Valuation
Common Shares (Non-Constant Growth)
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Non-Constant Growth Model
Companies will often change the growth rate of their dividends for a variety of reasons, like offering very high growth during periods during which they expect higher earnings or attracting additional investments. When dividends are growing at a higher rate than normal, this is called super-normal growth.
Solving for the stock price using non-constant growth models is done by segmenting the timeline into multiple annuities and perpetuities and summing their respective present values.
Growing Annuities
A growing annuity is a recurring cash stream where payments are increasing at a constant rate for a finite period of time. For example, receiving a $4 dividend this year and 5% more each year for 5 years.


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Example: Non-Constant Growth Model
ABC Inc. just paid a dividend of $2. It plans to increase its dividend by 15% for the next 5 years and then decrease the growth rate to 4% indefinitely.
What is the current price of the company's stock if the required rate of return is 10%?
Practice: Non-Constant Growth Model
Ocram Group will pay a $4 per share dividend next year. It just announced that it will grow its dividends by 8% until year 5, then it will increase dividends by 10% per year until year 10 before decreasing the growth rate to 3% indefinitely thereafter.
What is the price of one share if investors require a return of 14% per year?