Human Resource Management

The People Pipeline

HRM manages the full arc of a person's relationship with the firm — a pipeline whose stages are easy to name and hard to run well.

Planning: forecast the people the strategy needs — headcount, skills, timing — against what attrition will leave.

Recruitment fills the funnel's top. Internal recruitment (promotion, transfer) is cheap, fast, motivating, and pre-validated — but recycles the same DNA. External recruitment imports fresh skills and perspectives at the price of cost, risk, and onboarding time. Weak-tie referral programs sit profitably between the two.

Selection narrows the funnel. Every tool is a predictor with a measurable validity: structured interviews and work-sample tests predict performance well; unstructured 'chat' interviews — the most popular tool — predict little beyond the interviewer's confidence. The funnel is multiplicative: 200 applicants × 30% passing screening × 25% passing interviews × 40% accepting offers = 6 hires. Improve any stage's rate and the whole pipeline widens.

$$\text{hires} = \text{applicants} \times p_{\text{screen}} \times p_{\text{interview}} \times p_{\text{accept}}$$

Training and development convert potential into capability — onboarding, technical upskilling, leadership development. The evaluation question is transfer: did behavior on the job change, or did people merely enjoy the course?

Performance appraisal closes the feedback loop: management by objectives (results against agreed goals), behavioral scales, and 360-degree feedback (boss, peers, reports, self). Known raters' diseases: halo (one trait colors all), leniency, recency (last month outweighs the year).

Compensation aligns effort with strategy: base pay for the role's value, variable pay for results, benefits for retention. The design constraint is internal equity versus external competitiveness — paying fairly inside while matching the market outside.

The strategic claim of modern HRM: in service and knowledge businesses, the people pipeline is the production line.

Internal vs external recruitment

Tip: Judge every selection tool by its validity — how well it predicts actual job performance. Structured interviews and work samples rank high; the unstructured 'let's chat' interview, beloved everywhere, ranks near the bottom and mostly measures rapport.