Growth and survival of firms
Key terms
Define each term.
Multiple choice
Circle the correct answer.
A bakery chain buys the flour mill that supplies it. This is best described as:
Which best explains why many small firms survive in an industry where large firms enjoy economies of scale?
Worked problems
Show your working.
Whether a takeover is worth the price. Firm A, with annual profit of $40m, acquires Firm B, which earns $15m, for $180m. The merged firm expects cost savings of $9m a year from combining distribution. Calculate the combined annual profit, the return on the acquisition price, and assess whether the deal makes sense if Firm A could otherwise earn 8% on its money.
Chains of reasoning
The steps are in the wrong order. Write the letters in the order that makes a linked chain.
Why large mergers so often destroy value
- A Realised synergies fall short of the price paid, so value transfers from the acquirer's shareholders to the target's, and the combined firm is worth less than the two were separately.
- B The acquirer therefore pays in advance for synergies that have not yet been delivered.
- C The enlarged firm encounters diseconomies of scale in coordination and communication, so some of the promised savings are offset by new costs.
- D Because managerial pay and status rise with firm size, the incentive to be optimistic about those synergies is strong and the incentive to be sceptical is weak.
- E Integration proves harder than forecast: systems differ, cultures clash, and management attention is diverted from the existing business.
- F Competition between bidders, or the need to persuade the target's shareholders, pushes the price above the target's standalone value.
- G Managers propose an acquisition, projecting cost synergies to justify the price.
Diagrams
Draw a long-run average cost curve that reaches minimum efficient scale at a low level of output and is then flat over a long range. Mark total market demand well to the right. On a second diagram, draw an LRAC where minimum efficient scale occurs at an output close to total market demand.
Extended answer
Plan your answer: list the points you would make in each paragraph.
Discuss whether firms should always seek to grow. (13 marks)
Answers
Organic growth: Growth achieved by expanding a firm's own operations, through reinvesting profits in new capacity, products or markets, rather than by combining with another firm.
B. The mill is at an earlier stage of the same supply chain, so the integration is vertical and backward. The benefits specific to this type are security of input supply, control over input quality and the capture of the margin the mill previously earned. Forward integration would be buying a chain of shops.
C. If the LRAC curve flattens at a low output, a small firm can reach minimum efficient scale and faces no cost penalty relative to a larger rival. Small firms are not inherently more efficient, and while niche preferences and policy support exist, the structural explanation is where minimum efficient scale falls relative to the size of the market.
Step 1. Calculate combined profit. Combined profit = $40m + $15m + $9m of synergies = $64m. The gain to Firm A relative to staying as it was is $15m + $9m = $24m a year.
Step 2. Calculate the return on the price paid. Return = annual gain / price paid x 100 = (24 / 180) x 100 = 13.3%.
Step 3. Compare with the opportunity cost. 13.3% exceeds the 8% available elsewhere, so on these figures the acquisition is worthwhile. The margin is 5.3 percentage points, which is the value the deal creates over the next best use of the money.
Step 4. Question the synergy figure. The $9m is a forecast, not a fact. Studies of merger outcomes consistently find that predicted synergies are overestimated and integration costs underestimated. If synergies come in at $2m rather than $9m, the return falls to (17/180) x 100 = 9.4%, barely above the alternative. If they fail entirely and integration costs $5m a year, the return is 5.6% and the deal destroys value.
Step 5. Name what the arithmetic omits. Culture clash, management distraction, the loss of key staff and customers during integration, and diseconomies of scale in the enlarged firm are all real costs that do not appear in the projection. This is why a majority of large acquisitions are judged, after the event, to have failed to create value for the acquirer's shareholders.
Steps 4 and 5 are where the marks separate. A candidate who computes 13.3% and recommends the deal has done arithmetic; one who stress-tests the synergy assumption has evaluated it.
G, D, F, B, E, C, A
- Managers propose an acquisition, projecting cost synergies to justify the price.
- Because managerial pay and status rise with firm size, the incentive to be optimistic about those synergies is strong and the incentive to be sceptical is weak.
- Competition between bidders, or the need to persuade the target's shareholders, pushes the price above the target's standalone value.
- The acquirer therefore pays in advance for synergies that have not yet been delivered.
- Integration proves harder than forecast: systems differ, cultures clash, and management attention is diverted from the existing business.
- The enlarged firm encounters diseconomies of scale in coordination and communication, so some of the promised savings are offset by new costs.
- Realised synergies fall short of the price paid, so value transfers from the acquirer's shareholders to the target's, and the combined firm is worth less than the two were separately.
Step 2 is the analytical heart and connects this topic to the divorce of ownership from control. The failure is systematic rather than a run of bad luck, because the incentives of those proposing deals differ from the interests of those funding them.
The first case allows many firms to coexist at efficient scale, so small firms survive without any cost disadvantage. The second allows only a few. Drawing both makes the point that the survival of small firms is not sentiment or inefficiency but a consequence of where minimum efficient scale falls relative to the size of the market.
Define and frame: Define growth and distinguish organic from external. State whose interest is being considered, since the answer differs for shareholders, managers, consumers and the owner of a small firm, and say that the test will be whether growth raises long-run profitability. Identify 'always' as the claim under test.
Analysis: the case for growth: Run the mechanism rather than listing motives. Economies of scale lower long-run average cost, which either raises the margin or funds a lower price and greater share; show this as movement along a falling LRAC towards minimum efficient scale. Add market power, cheaper finance, and risk-spreading through diversification. Note that where minimum efficient scale is large, growth is not optional: a firm below it cannot compete on cost.
Analysis: the case against: Diseconomies of scale set a limit, and they are about coordination rather than technology, so they bind hardest in firms that grow fastest. External growth carries the integration risks: overpayment, culture clash and forecast synergies that fail to appear. Growth may be managerial rather than shareholder-driven. And in small or personal markets there is simply no scale advantage to capture, so growth adds cost without benefit.
Evaluation: Weigh the conditions. The shape of the LRAC curve is decisive: where it falls steeply over a wide range, growth is close to compulsory; where it flattens early, growth is optional and may be harmful. The method matters, since organic growth avoids most of the failure modes of acquisition at the cost of speed. The objective matters, since a firm pursuing survival, independence or a social purpose is not failing by declining to grow. And market conditions matter, as growth in a mature market means taking share from rivals who will respond.
Judgement: Reject 'always'. Growth is necessary where minimum efficient scale is large relative to the market and where rivals are already at it; it is optional where the LRAC curve is flat; and it is actively harmful where the firm exceeds the point at which diseconomies set in or overpays for an acquisition. The defensible conclusion specifies the LRAC shape and the growth method as the determining conditions, rather than concluding that growth is generally good.