Can you answer this IB interview question?

How can a PE firm increase its return in an LBO? List 5 ways.

A PE firm can increase LBO returns by: (1) growing revenue, (2) expanding margins, (3) achieving multiple expansion at exit, (4) paying down debt during the hold period, and (5) increasing leverage at entry to reduce the initial equity check.

Intuition

An LBO return ultimately comes down to how much equity goes in versus how much comes out, and how quickly. Anything that reduces the initial equity check, grows the value of the business, increases the share of enterprise value that accrues to equity, or shortens the hold period will increase IRR. The five classic operating and capital-structure levers are revenue growth, margin expansion, multiple expansion, debt paydown, and higher leverage at entry.

Watch

A common follow-up is: 'Which lever has the biggest impact on IRR?' A strong answer is that EBITDA growth is usually the most controllable driver, while multiple expansion can be very powerful but is less controllable because it depends on market conditions. You can also note that more leverage and a shorter hold period can materially boost IRR, but higher leverage also increases risk.

Deep Dive

Identify the five core levers a PE sponsor can pull to increase IRR and MOIC in a leveraged buyout.

Core Framework: MOIC is driven by equity in versus equity out, while IRR is driven by both MOIC and timing.

MOIC = \frac{Exit Equity Value}{Initial Equity Invested} = \frac{Exit EV - Net Debt at Exit}{Entry EV - Net Debt at Entry}

IRR \approx (\frac{Exit Equity Value}{Initial Equity Invested})^{1/ n} - 1

Every lever maps to either growing the numerator, shrinking the denominator, or shortening the hold period.

#	Lever	Mechanism	What It Hits
1	EBITDA Growth (Revenue)	Grow top line organically or via add-on acquisitions $\to$ higher exit EBITDA $\to$ higher exit EV	Numerator $↑$
2	Margin Expansion	Cut costs, improve ops, achieve scale efficiencies $\to$ same revenue produces more EBITDA $\to$ higher exit EV	Numerator $↑$
3	Multiple Expansion	Buy at 8x, sell at 10x. Achieved through improving business quality, market timing, or repositioning the growth narrative	Numerator $↑$
4	Debt Paydown	Use free cash flow during the hold to amortize debt $\to$ less debt at exit means more of the exit EV flows to equity holders	Numerator $↑$ via lower net debt at exit
5	Increase Leverage at Entry	Finance a larger portion of the purchase price with debt $\to$ smaller initial equity check for the same asset	Denominator $↓$

Note: If the question is specifically about increasing IRR rather than just MOIC, you can also mention a shorter hold period as an additional timing lever.

Illustrative example showing interaction of the five classic levers:

Entry: Buy at 8.0x EBITDA of $$ 100 M$ = $$ 800 M$ EV, 5.0x leverage = $$ 500 M$ debt, $$ 300 M$ equity check

During hold: Grow EBITDA to $$ 140 M$ (levers 1 & 2), pay down $$ 100 M$ of debt (lever 4)

Exit: Sell at 9.0x (lever 3) = $$ 1, 260 M$ EV

Exit equity = $$ 1, 260 M - $ 400 M$ remaining debt = $$ 860 M$

MOIC = \frac{860}{300} = 2.87 x

If the hold period is 5 years:

IRR \approx 2.8 7^{1/5} - 1 \approx 23.5%

Without any of these levers (no growth, no margin improvement, no multiple expansion, no paydown, same leverage):

MOIC = \frac{800 - 500}{300} = 1.0 x \Rightarrow IRR = 0%

Each lever is additive; in practice, PE returns are a blend of all five, while hold period affects IRR separately.