Interview prep · M&A
M&A interview questions
M&A questions test whether you can think like an advisor: why a deal makes sense, what it does to the buyer's numbers, and where the mechanical answer and the right answer part ways. It is the category where accounting, valuation, and judgment finally meet in one place.
Screeners stay conceptual — why companies acquire, what accretion and dilution mean, and the intuition for when a deal adds to earnings per share. The middle layer is mechanics: rough EPS math on a stock or cash deal, the standard framework for ranking financing costs, how synergies flow through, and the shortcut rules for all-stock deals along with the assumptions that make them work. Superday questions reach into purchase accounting — goodwill creation, asset write-ups and the deferred tax liabilities they generate — plus contribution analysis, exchange ratios, and deal-protection concepts.
The classic trap in this category is equating accretion with a good deal. Interviewers respect candidates who can run the EPS math quickly and then point out its limits: a deal can be accretive and still destroy value, and vice versa. Holding both ideas at once is what the hardest questions are checking for.
Free sample questions, answered
What makes an acquisition accretive or dilutive to EPS?+
Compare the buyer's P/E to the effective cost of the acquisition. A rough all-stock rule: if the acquirer's P/E is higher than the target's P/E, the deal is accretive; if lower, dilutive. More generally, if the after-tax yield on what you're acquiring exceeds the after-tax cost of financing (cash, debt or stock), EPS rises.
⚠ Common wrong answer: "A deal is accretive when the target's P/E is higher than the acquirer's." Why it fails: Flipped — issuing 'expensive' high-P/E acquirer stock to buy 'cheaper' low-P/E earnings is what lifts EPS. Paying a HIGHER multiple than your own with stock means handing over more earnings yield than you receive: dilutive.
What are synergies and what are the two types?+
Synergies are the incremental value created by combining two firms. Cost synergies - eliminating duplicate functions, facilities and headcount, plus purchasing scale - are more reliable and easier to realize. Revenue synergies - cross-selling, new markets, pricing power - are larger in theory but far less certain, so buyers discount them.
⚠ Common wrong answer: "Revenue synergies are the more dependable kind — selling more is easier than cutting costs." Why it fails: Backwards — cost synergies are within management's direct control and reliably quantifiable, while revenue synergies depend on customer behavior and cross-sell execution. That's exactly why buyers heavily discount revenue synergies.
What's the difference between a strategic buyer and a financial buyer?+
A strategic buyer is an operating company in (or adjacent to) the same industry that can realize synergies and often pays more. A financial buyer (PE firm) buys for financial return via an LBO and is constrained by what leverage and target IRRs allow, so it typically pays less absent synergies.
⚠ Common wrong answer: "Financial buyers can pay more, because leverage gives them more buying power." Why it fails: Leverage amplifies the sponsor's equity returns — it doesn't raise what they can afford to pay, because the return hurdle caps the price. Strategics typically outbid because synergies make the target genuinely worth more in their hands.
M&A: what candidates ask
Do I need to have built a merger model before my interview?+
For most analyst and intern interviews, no. You are expected to understand merger-model mechanics conceptually — accretion/dilution, financing choices, purchase accounting — and to handle simplified EPS math verbally. Actually building a model is excellent preparation because it makes the mechanics concrete, but interviewers typically test the reasoning, not spreadsheet experience.
Is the P/E rule for accretion safe to use in an interview?+
Yes, if you state its scope. Comparing the acquirer's and target's P/E ratios is a standard first-pass for all-stock deals, and interviewers expect you to know it. The marks come from flagging the assumptions — it applies cleanly to all-stock consideration, before synergies and deal adjustments — and from knowing that cash and debt deals need the financing cost compared against the target's earnings yield instead.
How much do I need to know about real M&A deals?+
Enough to discuss one or two recent deals intelligently: the strategic rationale, rough size, the consideration mix, and your own view. M&A technicals and deal discussion are usually separate questions, but they reinforce each other — describing a real deal using the concepts from this category is one of the easiest ways to stand out.
Every M&A question in the bank
All 118 published questions from M&A & Merger Models — each links to its own page. Free ones show the full model answer.
20
- What's the difference between a strategic buyer and a financial buyer?free
- What does it mean for an acquisition to be accretive or dilutive?
- What are the main strategic rationales a company gives for pursuing an acquisition?
- Differentiate a strategic buyer from a financial buyer.
- Define synergies and name the two broad categories.
- Give concrete examples of cost synergies in an M&A deal.
- What is the difference between a sell-side and a buy-side M&A engagement?
- What is a teaser and what does it contain?
- What is a CIM and how does it differ from a teaser?
- What is a data room (VDR) and what is its role in the process?
- In purchase accounting, what makes an intangible asset 'identifiable,' and what are common examples recognized in deals?
- What is an earnout, and why do buyers and sellers agree to one?
- How do you calculate the exchange ratio in a stock-for-stock deal from a per-share offer price?
- What is contribution analysis in M&A?
- What is a poison pill (shareholder rights plan)?
- What is a staggered (classified) board, and why does it matter in a hostile situation?
- What is a white knight in a takeover battle?
- What is the basic difference between an asset purchase and a stock purchase, and which does each side usually prefer?
- What is a toehold stake, and what disclosure rule limits how quietly an acquirer can build one?
- What is a 'merger of equals,' and what makes these deals distinctive?
54
- What makes an acquisition accretive or dilutive to EPS?free
- What are synergies and what are the two types?free
- Walk me through how you calculate accretion/dilution at a high level.
- What is the single fastest screen to judge whether a 100% stock deal is accretive or dilutive?
- An all-stock deal: acquirer trades at 20x P/E, target is being bought at 15x. Accretive or dilutive, and why?
- For a 100% cash deal funded entirely with new debt, what's the quick accretion/dilution rule of thumb?
- Why is a cash/debt-funded acquisition usually more likely to be accretive than an all-stock deal, all else equal?
- Rank the three forms of acquisition financing - cash, debt, stock - from most accretive to least, and explain.
- What are the main deal adjustments that move pro forma net income away from the simple sum of the two companies' net incomes?
- How does foregone interest on cash used in a deal affect accretion/dilution, and is it pre- or after-tax?
- How does incremental interest expense on new acquisition debt flow into accretion/dilution math?
- How do synergies factor into an accretion/dilution analysis?
- An all-stock merger of equals where both trade at the same P/E and there are no synergies - what's the EPS impact?
- Walk through computing the number of new acquirer shares issued in a stock deal.
- How does a higher acquisition premium affect accretion/dilution?
- Two otherwise-identical deals, one all-cash and one all-stock at the same purchase price - which is more accretive and what's the trade-off?
- Why might an acquirer accept a dilutive deal? Give concrete reasons.
- Why can a strategic buyer typically pay a higher price than a financial buyer for the same target?
- Give concrete examples of revenue synergies and explain why investors discount them.
- What are dis-synergies, and why do they matter in a merger model?
- Who captures the value of synergies — the buyer or the seller — and how does the premium relate?
- What is vertical vs horizontal integration in M&A, and what synergies does each tend to produce?
- How does a financial buyer generate returns differently from a strategic buyer?
- Why might a seller prefer a strategic buyer over a financial buyer, and vice versa?
- Walk me through the categories of cost synergies you'd estimate when modeling an acquisition.
- Why do acquirers often announce synergy targets, and how should an analyst treat those announced figures?
- What is the difference between operating synergies and financial synergies?
- What is an acquihire and when does it make sense?
- Why might economies of scale and economies of scope both be cited as deal rationale, and how do they differ?
- What is a 'platform' acquisition for a PE firm and how does its rationale differ from a bolt-on?
- Why do many acquisitions fail to create value despite a sound strategic rationale?
- Walk me through the typical stages of a sell-side M&A process.
- What is the difference between a broad auction, a targeted auction, and a negotiated sale?
- Distinguish an Indication of Interest (IOI), a Letter of Intent (LOI), and a definitive agreement.
- Why might a seller choose a negotiated (exclusive) sale over running a full auction?
- How long does a typical sell-side M&A process take from kickoff to close, and what drives the variance?
- On a buy-side engagement, walk me through the steps the advisor takes for an acquirer.
- What is the difference between a strategic buyer and a financial buyer, and how does each typically behave in an auction?
- What is due diligence in M&A, and what are its main workstreams?
- Why does writing up the target's assets in a stock acquisition create a deferred tax liability?
- Worked example: equity purchase price 1,000; target book equity 400; PP&E written up by 100; new identifiable intangibles of 200; tax rate 25%. Compute the goodwill created (stock deal).
- How is contingent consideration (an earnout) treated in purchase accounting, and what is the counterintuitive earnings effect after close?
- What is a contingent value right (CVR), and when do you see one in a deal?
- What is a collar in a stock-for-stock deal, and what are the two basic designs?
- How is contribution analysis used to set the exchange ratio in a merger of equals?
- A deal has 100 of run-rate pre-tax cost synergies, but only 50% phase in during year 1, and there are 60 of one-time integration costs in year 1 (tax 25%). How does this shape the accretion story?
- How do you determine the maximum cash consideration a buyer can fund? Illustrate: the buyer holds 500 of cash but needs 200 to run the business; pro forma EBITDA is 300; it will not lever beyond 3.0x total debt/EBITDA and already carries 400 of debt.
- Worked example: acquirer earns net income 500 on 200 shares (EPS 2.50) at a 50 share price. It buys a target earning 120 for 1,800 of equity value, funded 50% stock and 50% new debt at 6% (tax 25%). Accretive or dilutive?
- State the general accretion/dilution screen for a mixed cash/stock/debt deal, without building the model.
- Compare the tax consequences of an asset sale versus a stock sale for the buyer and the seller.
- Is goodwill amortization tax-deductible? Explain the book versus tax treatment.
- What is a Section 338(h)(10) election, conceptually?
- After signing a merger agreement with a no-shop, how can a target board still end up accepting a superior proposal? Walk through the mechanics.
- How do antitrust regulators screen a horizontal merger's effect on market concentration, and what remedies can resolve concerns?
44
- An all-cash deal: when is it accretive?
- A deal is dilutive before synergies but accretive after. What metric do bankers cite for this, and why does it matter?
- Why can accretion/dilution be a misleading way to judge whether a deal is 'good'?
- Does goodwill created in an acquisition affect accretion/dilution? Why or why not?
- How does the write-up and amortization of intangible assets affect accretion/dilution?
- What is 'cash EPS' accretion/dilution and why do acquirers prefer to quote it?
- If the acquirer's stock price rises after announcement, how does that change a fixed-exchange-ratio stock deal's accretion/dilution?
- Explain the difference between a fixed exchange ratio and a fixed value (floating ratio) deal and which party bears price risk.
- How does the acquirer's marginal tax rate influence accretion/dilution in a debt-funded deal?
- Target net income is 100, acquirer pays 1,500 in an all-debt deal at 5% pre-tax interest, tax rate 25%. Roughly accretive or dilutive on the target side alone?
- In a stock deal, why do you use the acquirer's fully diluted share count, and how do options/RSUs factor in?
- How do transaction and financing fees affect accretion/dilution, and are they treated differently?
- What happens to accretion/dilution if the acquirer refinances the target's existing debt at close?
- All-stock deal, no synergies: acquirer EPS 4.00 on 100 shares (NI 400), target NI 100 acquired for 1,500 of acquirer stock at price 40. Compute pro forma EPS and accretion/dilution.
- How does buying a higher-growth target affect the accretion/dilution profile over time?
- What's the difference between accretion/dilution measured on EPS versus on a cash-flow metric, and when would an interviewer push you toward the latter?
- Your model shows a deal is accretive. What three follow-up questions should you anticipate from a senior banker or board?
- When might a financial buyer actually outbid a strategic buyer?
- Why are revenue synergies generally worth less than an equal dollar of cost synergies?
- How are cost synergies modeled to flow through the income statement and ultimately to value?
- A target trades at a $1.0bn standalone equity value. A strategic pays a $300m premium and expects $50m of after-tax run-rate synergies. Roughly how should you think about whether the deal creates value?
- What is a bolt-on (add-on) acquisition and why do PE sponsors pursue a buy-and-build strategy?
- What is multiple arbitrage (or multiple expansion) as a deal rationale?
- What are 'costs to achieve' synergies and how are they typically handled in a model?
- How do you decide whether to give a buyer credit for synergies when justifying a takeover premium?
- How can tax considerations be a synergy or rationale in an acquisition?
- Is diversification a good standalone rationale for an acquisition? How would an interviewer want you to answer?
- How does antitrust/regulatory risk shape buyer dynamics between strategics and financial sponsors?
- A combined company eliminates $100m of duplicate SG&A but expects $20m of revenue dis-synergy from customer overlap. At a 25% tax rate, what is the net after-tax synergy to EBIT? State assumptions.
- How would you sanity-check whether an acquirer is overpaying for a target?
- What is a 'fairness opinion' and who relies on it?
- In an auction, why does a sell-side banker want as many credible bidders as possible into the second round — and what's the downside of too many?
- What is a go-shop provision and how does it differ from a no-shop?
- What is a break-up fee (termination fee), and roughly how large is it typically?
- What is a stalking horse bid in a distressed/Section 363 sale?
- Why does a write-up in an asset acquisition (or a 338(h)(10) deal) NOT create a deferred tax liability, while the same write-up in a stock deal does?
- How is a target's deferred revenue treated in purchase accounting, and how did the rules recently change?
- Show with numbers how an all-debt deal can be EPS-accretive yet destroy value.
- Walk through the mechanics of a 'flip-in' poison pill, and the special case of an NOL pill.
- Why is a poison pill combined with a staggered board considered the most potent takeover-defense pairing?
- Illustrate with numbers how a fixed-exchange-ratio deal with a symmetrical collar and walkaway right can work.
- How does Section 382 limit the use of a target's NOLs after an acquisition?
- In a proposed merger of equals, net income contribution is 60/40 in Company A's favor, but the at-market exchange ratio implies only 55/45 ownership for A. How do you interpret this and advise?
- Worked example: acquirer earns 600 on 150 shares (EPS 4.00) with a 48 share price (12x P/E). It buys a target earning 150 for 2,400 of stock (16x). Compute year-1 dilution and the pre-tax synergies needed to break even (tax 25%).
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