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Sunday, April 1, 2012

Hussman Advisors Financial Analyst Pre Interview Question 2

I am solving question 2 of Hussman Advisors Financial Analyst pre interview question. Question 1 was solved earlier.

Q2 Let the value of a firm’s equity be equal to the discounted stream of deliverable cash flows
(“DCF”) and assume that firm
wide DCF grows at rate g, so Vt = DCFt+1 / (kg). Let Nt be the
number of shares of stock at time t, so the per
share stock price Pt is simply Vt/Nt. Each year, the
company pays a proportion d of DCF to existing shareholders as dividends, and then uses the
remaining proportion (1
d) to repurchase shares. Assume that shares are repurchased at price
Pt, which simultaneously determines Nt.



a) Derive a simple expression for the pershare dividend growth rate g*, in terms of k, d and g
only, and give a simple interpretation (Hint: Write down expressions involving DCF, don’t be
afraid to substitute equivalent expressions, and notice that all growth rates will be constant
given the assumptions above. In particular, Nt/Nt+1 = Nt
1/Nt).


b) Show algebraically that if the pershare dividend growth rate g* is used, the standard
dividend discount model holds even in the presence of share repurchases, so that adding in
repurchases as if they were a separate payment to shareholders would actually represent
double
counting. Specifically, show that Vt/Nt = Dt+1 / kg*.

a) From the problem statement we have the following equation:

P0 = V0 / N0 = (DCF1/N0) / (k-g)

I will use g’ instead of g* as * is generally used as multiplication sign and may confusion i.e. g’ = g*
We can also drive the price per share using dividend discount method i.e. if Dividends Dt grow at constant rate g’ then

P0 = D1/k-g’

Also, from the problem statement Dt = d*DCFt
Therefore, P0 = D1/k-g’ = (d*DCF1/N0) / (k-g’)

The price per share obtained from both the methods should be same.

Therefore, k-g’ = d*(k-g) or g’ = g* = k - d*(k-g)

I am not sure if the question expected me to prove that P0 obtained from two methods is same or not.
However, there is an entire paper that goes on to show the equivalence of Cash Flow Method and Dividend Discount Method.


b) From the result above: d * (k-g) = (k-g’)

Vt/Nt = DCFt+1/(k-g) = Dt+1 / d*(k-g) = Dt+1 / (k-g’)

This makes sense since we assumed Pt (Vt/Nt) is equivalent to derive g’ in the first case.

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