IFoA CB1 common mistakes
IFoA CB1 · Understand the traps and how to avoid them.
When asked to value a bond or equity, the candidate writes down the correct formula (e.g. discounted cash flow, dividend growth model) but substitutes the nominal coupon where the redemption yield or market discount rate was required, or forgets to convert an annual coupon to a semi-annual basis before discounting.
Under time pressure candidates pattern-match the familiar coupon rate from the question stem and skip the step of identifying which rate is the discount rate; semi-annual conventions are learned in isolation and not rehearsed on mixed questions.
What to do instead
Before calculating, write a one-line 'given / required' table listing every rate and its compounding basis, then explicitly convert all rates to the same basis (e.g. (1+i)^(1/2)-1 for semi-annual) and show that conversion in the answer. Practise ten mixed bond/equity valuation questions where the discount rate must be derived from a yield curve or from CAPM rather than being handed over directly.
The candidate computes a ratio (ROE, gearing, interest cover, P/E) correctly but then interprets it without reference to the sector, the accounting policies used, or the trend, and draws a firm conclusion such as 'the company is over-leveraged' from a single year's figure.
Ratio calculation is mechanical and feels like the 'real' work, so interpretation is rushed into the last sentence; candidates also lack a mental checklist of comparators (peers, history, policy choices) to structure commentary.
What to do instead
Adopt a fixed three-comparator template for every interpretation: versus prior year, versus a named peer or sector norm, and versus the accounting/valuation basis that produced it. Write the interpretation before the arithmetic in exam answers so the ratio is presented as evidence for a stated conclusion, not as an end in itself.
When asked about capital structure or dividend policy, the candidate asserts 'debt is cheaper than equity so more debt lowers WACC' and stops there, ignoring financial distress costs, tax shield limits, agency costs and the Modigliani-Miller assumptions that make the statement conditional.
The trade-off theory headline is memorable and easy to recall, while the assumptions and the distress-cost curve require active reconstruction; candidates under exam pressure reproduce the slogan rather than the argument.
What to do instead
For every capital structure answer, explicitly name the MM assumptions being relaxed and state the direction of each effect (tax shield raises value, distress and agency costs lower it), then conclude that an optimum exists where marginal benefits equal marginal costs. Keep a one-page assumption sheet for MM, pecking order and trade-off theories and rehearse applying it to a scenario with concrete numbers.
The candidate answers a risk management question by listing risk types (market, credit, liquidity, operational) without linking each to a measurement method, a limit, and a mitigating action, so the answer never reaches the 'so what' of how the risk is controlled.
Classification feels like the substance of the topic and is easy to produce; the applied control layer requires knowing specific instruments (VaR, duration, credit limits, hedging) and candidates are less confident there.
What to do instead
Structure risk answers as a grid with columns 'risk type / metric / limit or appetite / mitigation / residual risk'. Force every row to be filled before writing prose. Practise with a short scenario (e.g. a bank with a fixed-rate loan book) and identify which metric and hedge apply to each risk.
On governance and ethics questions the candidate describes what a well-governed company 'should' look like in general terms, but fails to name the specific mechanism (board independence, audit committee composition, separation of CEO and chair, shareholder rights, remuneration structure) or to apply the relevant principle or code provision to the facts given.
Governance material is often learned as broad principles rather than as named mechanisms with defined roles, so recall produces generalities; candidates also conflate 'good practice' with the specific requirement being tested.
What to do instead
Build a mechanism table (body, composition, key duties, reporting line) covering board, audit, remuneration and nomination committees, plus the role of external audit and the AGM. In answers, quote the mechanism by name, apply it to the named director or committee in the scenario, and state the consequence of the weakness rather than a generic recommendation.
In behavioural finance questions the candidate names a bias (anchoring, overconfidence, herding, loss aversion, framing) but cannot explain the decision context in which it arises, the market outcome it produces, or the debiasing mechanism, so the answer is a definition with no application.
Bias lists are easy to memorise and are often learned as vocabulary; the link from cognitive mechanism to market anomaly to practical remedy is the harder, less rehearsed part.
What to do instead
For each bias, memorise a three-part card: trigger situation, observed behaviour or market effect, and a specific control (e.g. pre-commitment rules, independent challenge, reference-point framing, structured checklists). In exam answers, name the bias, describe the trigger from the scenario, state the effect, then prescribe the control.
The candidate confuses the roles of financial institutions and markets, for example describing a commercial bank as if it performed investment-banking underwriting, treating a money market instrument as a capital market instrument, or misstating what a central bank or a pension fund actually does in the flow of funds.
Institutional material is descriptive and easy to skim; candidates learn function labels without mapping each institution to its balance sheet role, its regulator, and the market segment in which it operates.
What to do instead
Draw a one-page map linking each institution (retail bank, investment bank, insurer, pension fund, asset manager, central bank) to its funding source, its main assets, its market segment and its regulator. Test yourself by writing, for each institution, one sentence on how it transforms maturity, credit or liquidity risk, and check against the map.
In strategy and planning questions the candidate applies a framework (SWOT, PESTLE, Porter's five forces, BCG matrix) as a list of headings and populates it with generic statements, rather than using it to reach a decision or to identify the one or two forces that dominate the case.
Frameworks are taught as structures to fill, and candidates equate a complete-looking grid with a complete answer; they also run out of time and stop before the synthesis step.
What to do instead
Always finish a framework answer with an explicit 'therefore' sentence naming the dominant force and the resulting strategic choice, and justify why the other forces are secondary. Practise converting each framework into a decision by writing the conclusion first, then the two or three pieces of evidence that support it.
The candidate treats the discount rate, the cost of capital and the project hurdle rate as interchangeable, using a company-wide WACC to appraise a project in a different risk class, or forgetting to adjust for the project's own beta and gearing.
WACC is the most rehearsed number in corporate finance and candidates default to it without checking whether the project's risk profile matches the firm's; the relevering formula is often learned but not practised end to end.
What to do instead
Before discounting, state the project's risk class and, if it differs from the firm, unlever a comparable's beta, relever at the project's target gearing, and use that project-specific cost of equity in the WACC. Rehearse the full chain (comparable beta, ungear, relever, CAPM, WACC) at least five times with different gearing assumptions.
The candidate runs out of time because they spend too long on a long calculation or a descriptive question and leave a whole later section unattempted, or they write long prose answers where the marks were allocated to a short calculation with a stated assumption.
Marks per minute are not actively managed; candidates follow question order rather than mark value, and calculation questions can absorb disproportionate time when a single arithmetic slip forces a restart.
What to do instead
Before starting, allocate minutes in proportion to marks and write the allocation on the script; do a first pass answering every question at least partially, then return to extend. In calculations, carry forward an error with a stated correction rather than restarting, and keep prose answers to the number of points the marks imply (roughly one substantive point per mark).