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NHH FIE-441
Dirk Schindler
Spring 2015
Taxes and Business Strategies
Homework 1: Corporate Finance, Taxation and Domestic Firms
Consider the financial policy of a domestic firm for the periods t = 1, 2, 3. Real
investment generates a cash-flow zt in each period t. The firm can raise capital
at the capital market by issuing bonds (i.e., debt) Bt at interest rate ib and by
offering new stocks (i.e., equity) Vtn . The opportunity costs of shareholders are
given by ρ and are constant over time. For any period t, the share of new stocks
in total equity is denoted by ηt = Vtn /Vt .
Only costs of debt (interest expenses and potential agency costs), but not costs
of equity can be deducted from the corporate tax base. The corporate tax rate is
given by τ . The dividend policy is residual and the dividend Dt in each period t
is determined by cash-inflows and cash-outflows.
(a) Show analytically that the value of old stocks in period t = 2 (i.e., the value
of V2o ) is given by
V2o =
1 − η2
[D2 + V3o ] .
1+ρ
Provide an economic interpretation for this finding.
(b) Assume that some of the old shareholders leave and sell their stocks back
to the firm so that Vtn < 0. Explain verbally (no equations required!), why
a repayment of equity to shareholders that return their old shares at the
beginning of period 2 does not affect remaining shareholders’ stock value
V2o and wealth if the repayment is financed by a cut in the dividend D1
(which is paid beginning of period 2) to remaining old shareholders and if
the investment policy remains unchanged.
(c) The condition for firm value in period t = 2 is
0
W2 =
V3 + z3 + B3
+ z2 ,
1 + r2
where r2 = ρ(1 − b2 ) + ib (1 − τ )b2 + C(b2 ) denotes effective capital costs of the
firm, where b2 =
B2
B2 +V2
is the debt-to-asset ratio, and C(b2 ) with C ′ (b2 ) > 0,
C ′′ (b2 ) > 0 are additional costs of debt (i.e., “agency-costs”).
Take for granted that ρ = ib holds in a capital market equilibrium and...