CHSE Odisha Business Economics study materials
CHSE Odisha Business Economics study resources

CHSE Odisha Business Economics common mistakes

CHSE Odisha Business Economics · Understand the traps and how to avoid them.

Mistake 1

Treating business economics as identical to general microeconomics and writing only abstract theory answers, ignoring the business/firm decision-making angle the question asks for.

Candidates revise from standard micro notes and default to textbook definitions of scarcity and choice without connecting them to the firm's pricing, output, or resource-allocation decisions.

What to do instead

For every basic-concept answer, add one sentence translating the theory into a business decision (e.g., how scarcity and opportunity cost shape a firm's choice between two production plans). Practise rewriting definitions so they end with a firm-level implication.

Mistake 2

Confusing a movement along the demand curve with a shift of the demand curve, and labelling a price change as a change in demand.

The two ideas are taught together and share vocabulary; candidates memorise 'demand changes' without attaching it to a specific cause (own price versus non-price factors like income, tastes, or substitute prices).

What to do instead

Use a two-column checklist: own-price change = movement along the curve (change in quantity demanded); any other determinant = shift (change in demand). Before answering, name the cause in the question and match it to the column.

Mistake 3

Computing elasticity with the wrong base (dividing by the new value instead of the original) or ignoring the negative sign and mislabelling the good as elastic or inelastic.

Candidates rush the arithmetic and forget the formula convention, and they treat the minus sign as an error rather than as information about the inverse price-quantity relationship.

What to do instead

Always write the formula first with original price and quantity in the denominator, substitute, then take the absolute value only when classifying elasticity. State explicitly '|E| > 1 elastic, < 1 inelastic' as a final check line.

Mistake 4

Mixing up total utility and marginal utility, and claiming total utility falls as soon as marginal utility starts falling.

The two curves peak at different points, and candidates collapse them into one 'utility goes down' story instead of tracking that total utility rises while marginal utility is positive.

What to do instead

Memorise the rule 'total utility rises while marginal utility is positive and peaks where marginal utility is zero'. Draw both curves side by side once per revision session and mark the peak of total utility against the zero-crossing of marginal utility.

Mistake 5

Confusing the law of variable proportions with returns to scale, and describing diminishing marginal returns using a fixed-scale language.

Both describe output behaviour as inputs change, but one holds at least one input fixed (short run) while the other changes all inputs (long run); the distinction is glossed over in quick revision.

What to do instead

Tag every production question as short run or long run before answering. Short run with one variable input = law of variable proportions; long run with all inputs scaled = returns to scale. Write the tag at the top of the answer.

Mistake 6

Describing perfect competition and monopoly with the same price-output diagram, or asserting a monopolist charges the highest possible price.

Candidates memorise 'firms maximise profit where MR = MC' and apply it mechanically without noting that under perfect competition price equals marginal revenue while under monopoly price exceeds marginal revenue.

What to do instead

For each market structure, first state the relationship between price, average revenue, and marginal revenue, then apply MR = MC. For monopoly, add that the profit-maximising price lies on the demand curve above MR = MC, not at the highest price on the curve.

Mistake 7

Double counting while computing national income, for example adding transfer payments, second-hand sales, or intermediate goods to GDP.

Candidates add every money flow they can identify rather than filtering for payments against current production of final goods.

What to do instead

Apply a three-question filter to every item: is it payment for currently produced output, is it a final good or service, and is it earned by a factor of production? Exclude transfers, second-hand sales, intermediate goods, and purely financial transactions before summing.

Mistake 8

Treating the money multiplier as fixed and ignoring reserve requirements, or confusing the central bank's functions with those of commercial banks.

The multiplier is memorised as a single number rather than as 1/reserve ratio, and bank functions are listed without sorting by institution.

What to do instead

For every banking question, state the multiplier formula and show how a change in the reserve ratio alters it. Keep a two-column list of central bank versus commercial bank functions and check the institution named in the question before writing.

Mistake 9

Classifying every government receipt as revenue and every payment as expenditure, so that borrowing and repayment of loans are misreported in the budget.

Candidates overlook the capital-versus-revenue distinction, so capital receipts such as borrowings and disinvestment are lumped with tax revenue.

What to do instead

Sort each budget item into a four-cell grid: revenue receipts, capital receipts, revenue expenditure, capital expenditure. Check whether the item creates or extinguishes an asset or liability; if it does, it is capital.

Mistake 10

Confusing balance of trade with balance of payments, or assuming a trade deficit is automatically a crisis.

The two terms sound similar and both involve exports and imports, but the balance of payments includes invisibles, capital flows, and reserve changes that the trade balance excludes.

What to do instead

Define balance of trade as goods only and balance of payments as all external transactions including services, income, transfers, and capital account. In evaluation answers, state whether a trade deficit is offset by invisibles or capital inflows before judging it a problem.