Dividend Discount Model
Also written DDM · Dividend Discount Model (DDM)
A valuation that treats a share as worth the present value of every dividend it will ever pay, discounted at the return an equity investor demands for holding it.
In plain language
Imagine you buy a share and never sell it. The only cash it will ever hand you is dividends. The dividend discount model takes that literally: the share is worth the present value of that stream, and nothing else.
In its usual form the stream is assumed to grow at a constant rate for ever, which collapses an infinite series into a single line of arithmetic.
How it works
Three inputs, and the model is only as good as the weakest:
- Next year's dividend,
D₁ - The cost of equity,
Ke— normally taken from CAPM - The perpetual growth rate,
g, which must be belowKe
Almost all the sensitivity lives in the gap between Ke and g, because that gap is the entire denominator. At Ke of 12% and g of 5% the gap is 7 points; nudge g to 6% and the gap falls to 6, lifting the valuation by 16.7% on an assumption no one can verify.
That fragility is why experienced analysts run the model backwards — solving for the growth the market price already implies, and then arguing about whether that growth is believable.
The formula
D₁
P₀ = ───────── D₁ = D₀ × (1 + g)
Ke − g
g must be less than Ke, or the denominator turns negative and the formula returns a nonsensical value.
A worked example
An FMCG company pays a dividend of Rs 18 a share, expected to grow at 6% for ever. Its beta is 0.7, the risk-free rate 7% and the equity risk premium 6%.
Ke = 7% + 0.7 × 6% = 11.2%
D₁ = 18 × 1.06 = Rs 19.08
P₀ = 19.08 ÷ (0.112 − 0.06) = 19.08 ÷ 0.052 = Rs 367
The share actually trades at Rs 430. Rather than declare it overvalued, run the model in reverse and ask what growth that price assumes:
430 × (0.112 − g) = 18 × (1 + g)
48.16 − 430g = 18 + 18g
g = 30.16 ÷ 448 = 6.7%
The market is paying for 6.7% perpetual growth against your 6%. That is a far more useful finding than a verdict — it turns the valuation into a testable question about seven-tenths of a percentage point.
Why NISM asks about it
Chapter 10 (Valuation Principles) builds the dividend discount model as the first of the discounted-cash-flow family. Expect direct computations using the constant-growth form, questions that test the g < Ke condition, and the reasoning for why DDM cannot be used on a company that pays no dividend.
Common exam traps
gmust be less thanKe. Options offering a "value" where growth exceeds the discount rate are testing exactly this; the model simply breaks.- The numerator is D₁, not D₀. Forgetting to grow this year's dividend by one period is the single most common arithmetic slip.
- A company that pays no dividend cannot be valued this way — use free cash flow to equity instead.
- Perpetual growth cannot exceed long-run nominal GDP growth. A company growing faster than the economy for ever eventually becomes the economy.
- Quote a range, never a point. A one-point change in
Keorgmoves the answer by double digits.
Check yourself
1.For which type of company is the Dividend Discount Model MOST suitable?
- a)Loss-making companies undergoing a turnaround
- b)Start-ups in a high growth phase
- c)Matured companies in defensive industries that pay regular and substantial dividends
- d)Companies that retain all earnings for reinvestment
Show the answer
Answer: (c) Matured companies in defensive industries that pay regular and substantial dividends
The workbook says DDM is suitable for companies that pay regular and substantial dividend, and therefore more suitable to matured companies in the defensive industry.
Option D describes exactly the situation where DDM fails — and the chapter gives the example: Alphabet Inc., the parent company of Google, has never paid a dividend. That is the whole reason the FCFE model exists as an alternative: it discounts the free cash flow available to equity shareholders instead of dividends actually paid.
Option B is wrong for a second reason too: a company in a high growth phase should not be valued on a constant growth assumption at all, because that growth is unsustainable in the long run and may even be higher than the cost of capital. Such companies need two-stage valuation.
Option A describes a company where EV/Sales is the appropriate metric — or, if no turnaround is likely, liquidation value.
2.What does the workbook say about the parameters used to justify valuations of new-age businesses such as e-commerce and technology companies?
- a)Eyeballs, page reviews, footfall, ARPU and number of users are reliable substitutes for profit
- b)Such parameters must ultimately translate into profits for owners at some point, and without visibility of that, valuations sustain only while there is a storyline and a next buyer
- c)These companies should always be valued using the dividend discount model
- d)Regulators prescribe the operating metrics that must be used for such companies
Show the answer
Answer: (b) Such parameters must ultimately translate into profits for owners at some point, and without visibility of that, valuations sustain only while there is a storyline and a next buyer
The workbook is candid. It admits it is difficult to put the numbers together to arrive at the valuations at which these transactions are happening, and calls that "our own limitation to understand the value proposition".
In the new-age economy people use parameters such as eyeballs, page reviews, footfall, ARPU and number of users to justify exorbitant valuations. But as Buffett would state, all of these should ultimately translate into profits for owners at some point in time. If there is no visibility of that happening, most of these valuations would sustain till there is a story line, people believe in those stories and the next buyer is available for the same — and would fall like a pack of cards in the absence of those.
The chapter points to the dot-com boom of 2000–2001 as the demonstration.
Option A takes the metrics at face value, which is exactly what the passage warns against. Option C is wrong twice over: these companies typically pay no dividend, and DDM cannot be used where no dividend is paid. Option D invents a regulatory requirement.
Where this is taught
Free preparation for NISM Series XVRelated terms
- CAPMA model that prices the return an investor should demand from a share: the risk-free rate plus beta times the market risk premium.
- Discounted Cash FlowA valuation method that estimates the cash a business will generate in future years and converts each year back to what it is worth today.
- Dividend Payout RatioDividend per share divided by earnings per share.
- Gordon growth modelP = D1 divided by (k minus g) — the value of a share whose dividend grows perpetually at a constant rate, where growth must be below the cost of equity.
- Intrinsic valueWhat an asset is actually worth — the present value of the cash it will generate over its remaining life, as against whatever price the market is quoting today.