UPHESC Assistant Professor Agricultural Economics 2025 PYQs

Concept: In a push supply chain, goods are produced on long-term forecasts and pushed through the channel to retailers.

1. Large, planned production and shipment runs give economies of scale in manufacturing, transport and warehousing — the aim is low distribution cost.
2. Product development cost is not what push targets; quality/responsiveness to customers is the strength of the pull (demand-driven) approach.
3. Trade-off: push risks excess inventory if forecasts fail.

Short trick: Push = forecast + scale ⇒ cheaper distribution; Pull = actual demand ⇒ responsiveness.

Concept: Marketing mix (Borden; McCarthy's 4 Ps) is the combination of Product, Price, Promotion and Place (distribution) a firm uses to reach its market.

1. Segmentation divides buyers into groups.
2. Market conduct and performance are parts of the Structure–Conduct–Performance framework of market analysis.
3. Combining pricing, promotion and distribution = marketing mix.

Short trick: 4 Ps: Product, Price, Promotion, Place.

Concept: e-NAM (National Agriculture Market) is a pan-India electronic trading portal linking APMC mandis.

1. Launched on 14 April 2016 with 21 mandis in 8 states.
2. Implemented by SFAC under the Ministry of Agriculture & Farmers Welfare.
3. Aim: ‘One Nation, One Market’ — transparent online price discovery.

Short trick: e-NAM: 14 April 2016 (Ambedkar Jayanti).

Concept: The non-negativity restriction says the decision variables (activity levels) cannot be negative: $x_j\ge 0$.

1. A farmer cannot grow −2 ha of wheat.
2. It says nothing about coefficients in the objective function or constraints — they may be negative (e.g. costs).
3. Resource availability (RHS) is a separate matter; the assumption is about activities, so none of (A)–(C) states it.

Short trick: Non-negativity = $x_j\ge 0$ for activities.

Concept: Coefficient of alienation $k=\sqrt{1-r^2}$ — the part of association not explained by correlation.

1. $r^2=0.64$ (coefficient of determination).
2. $1-r^2=0.36$ (coefficient of non-determination).
3. $k=\sqrt{0.36}=0.60$.

Short trick: r² = determination, 1 − r² = non-determination, √(1 − r²) = alienation.

Concept: Specification errors: omitting relevant variables, including irrelevant ones, or choosing the wrong functional form.

1. Omitted variables bias the coefficients and standard errors, so t-tests may wrongly reject a true null (Type I) or fail to reject a false one (Type II).
2. Adding irrelevant, inter-correlated regressors creates multicollinearity and inflates variances.
3. Hence all the listed problems can follow.

Short trick: Wrong model ⇒ biased/inefficient estimates ⇒ wrong inferences of every kind.

Concept: Match each test with the problem it detects.

1. Farrar–Glauber (1967) — multicollinearity (chi-square, F and t tests on the correlation matrix).
2. Breusch–Godfrey — autocorrelation (higher-order serial correlation).
3. Glejser and White — heteroscedasticity.
4. Other multicollinearity checks: VIF, condition index, Klein's rule.

Short trick: FG = multicollinearity; BG = autocorrelation; Glejser/White = heteroscedasticity.

Concept: Shadow (accounting) prices reflect the true opportunity cost to society when market prices are distorted.

1. Used in social cost–benefit analysis of projects (Little–Mirrlees, UNIDO guidelines, Squire–van der Tak).
2. E.g. shadow wage of surplus rural labour below the market wage; shadow exchange rate for foreign exchange.
3. In LP the dual values (shadow prices) show the value of an extra unit of a scarce resource.

Short trick: Shadow price = social opportunity cost ⇒ project appraisal.

Concept: $Z_j-C_j$ is the net loss in the objective from bringing one unit of activity j into the solution.

1. In maximization, a negative $Z_j-C_j$ means that activity would raise profit — the solution can still be improved (it becomes the entering variable).
2. Optimality is reached when all $Z_j-C_j\ge 0$ (positive or zero).
3. For minimization the rule reverses: all $Z_j-C_j\le 0$.

Short trick: Max: stop when no negative $Z_j-C_j$ remains.

Concept: The regression coefficient $b_{yx}=\frac{\text{cov}(x,y)}{{\sigma }_x^2}$ is the change in y per unit change in x and depends on units of measurement.

1. It is not bounded — it can take any value from −∞ to +∞.
2. Only the correlation coefficient r is bounded between −1 and +1.
3. Link: $r=\pm \sqrt{b_{yx}{b}_{xy}}$, so both b's cannot exceed 1 together, but one can.

Short trick: r bounded (−1, +1); b unbounded.

Concept: Line managers have command authority; staff specialists advise. Conflict arises from overlapping roles and mistrust.

1. Remedies: clear definition of authority and responsibility, mutual respect, consultation and a congenial (cooperative) organisational climate.
2. Removing staff (B) loses expert advice; giving staff authority over line (D) breaks unity of command.
3. Merely loading responsibility on line managers (C) does not remove the friction.

Short trick: Cooperation, not domination, solves line–staff conflict.

Concept: A skill inventory is a record of each employee's profile used for internal staffing and promotion.

1. Contains: personal data, education, skills, training received, job and salary history, performance, potential and career preferences.
2. The organisation's training schedule is a company-level plan, not information about an employee.

Short trick: Skill inventory = data about people, not about the company's calendar.

Concept: Training is short-term and job-specific (often manual/technical skills for operatives); management development is a long-term process for managers.

1. It develops a broad set of conceptual, human and technical skills — decision making, leadership, communication.
2. Hence it is concerned with multi-skill development, not specific or manual job skills.

Short trick: Training = specific job skill; Development = many skills for the future.

Concept: Managerial Grid (1964) — Robert Blake and Jane Mouton.

1. Two axes, 1–9: concern for production and concern for people; styles such as 1,1 impoverished, 9,1 task, 1,9 country club, 5,5 middle road, 9,9 team management (best).
2. Reddin — 3-D theory of leadership effectiveness; Likert — four systems of management; Mayo — Hawthorne studies.

Short trick: Grid = Blake & Mouton; 9,9 = team management.

Concept: Porter (Competitive Strategy, 1980): the fundamental determinant of a firm's profitability is industry attractiveness, shaped by the five competitive forces.

1. Five forces: rivalry, threat of new entrants, threat of substitutes, bargaining power of buyers and of suppliers.
2. Bargaining power is only one of these forces; economies of scale is an entry barrier.
3. The ‘diamond’ explains national competitive advantage, not a firm's profitability. The second determinant is the firm's relative position within the industry.

Short trick: Profitability = industry attractiveness (5 forces) + competitive position.

Concept: Standard limitations of SWOT (e.g. Hill & Jones / Wheelen–Hunger):

1. Strengths need not translate into competitive advantage.
2. It is a static, one-shot view of a moving target.
3. It may over-emphasise a single dimension of strategy.
4. Its external focus is criticised as too narrow — not too broad and integrative. So (C) is not a limitation as stated.

Short trick: SWOT criticism: static, narrow, single-dimension; never ‘too broad’.

Concept: A portfolio entrepreneur owns and runs several businesses at the same time.

1. Serial entrepreneur — starts businesses one after another.
2. Intrapreneur — acts entrepreneurially as an employee inside an existing organisation.
3. Corporate entrepreneurship — new ventures created by an established company.

Short trick: Portfolio = many at once; serial = one after another.

Concept: A feasibility study tests whether a proposed venture is viable — technically, commercially, financially, legally and organisationally.

1. Its overall purpose is to find out whether there are obstacles that would prevent success before resources are committed.
2. Finding customers and estimating sales are only parts of the market-feasibility component.

Short trick: Feasibility = ‘Can it work, and what could stop it?’

Concept: Policies are general statements that guide thinking and decision making, leaving room for discretion (Koontz).

1. Procedures — chronological sequence of steps for doing a task.
2. Rules — specific required action, no discretion.
3. Projects/programmes — specific one-time plans.

Short trick: Policy guides, procedure sequences, rule commands.

Concept: Schumpeter: the entrepreneur is an innovator who carries out ‘new combinations’.

1. Five types of innovation: new product, new method, new market, new source of supply, new organisation of industry.
2. Invention is creating something new; innovation is putting it to commercial use — the entrepreneur's role.
3. Routine management is not entrepreneurship.

Short trick: Inventor creates; entrepreneur innovates (Schumpeter).