Efficiency and Labour Productivity

Improving efficiency and labour productivity is one of the primary goals of operations management. In competitive markets, businesses that produce more output per unit of input — whether that input is labour, capital, or raw materials — can offer lower prices, achieve higher profit margins, or both. This lesson explores strategies for improving productivity, the obstacles businesses face, and the role of technology.

Key Definition: Efficiency is the ability to produce the maximum output from a given set of inputs, minimising waste of resources. Labour productivity is the output per worker in a given period: Total Output ÷ Number of Workers.

---

Why Labour Productivity Matters

Labour costs are typically one of the largest cost categories for businesses, particularly in service industries where labour may account for 50–70% of total costs. Improving labour productivity — getting more output from each worker — has a direct and powerful impact on unit costs and profitability.

Consider two rival call centres:

Metric	Centre A	Centre B
Calls handled per day	8,000	8,000
Number of agents	100	125
Calls per agent per day	80	64
Average hourly wage	£12	£12
Daily labour cost (8-hour shift)	£9,600	£12,000
Labour cost per call	£1.20	£1.50

Centre A's higher productivity means it handles the same volume of calls with 25 fewer staff, saving £2,400 per day — over £600,000 per year. This is a significant competitive advantage.

---

Strategies for Improving Labour Productivity

1. Training and Development

Investing in workforce skills is often the most effective way to improve productivity. Well-trained employees:

• Complete tasks faster and with fewer errors
• Require less supervision
• Can operate more complex machinery
• Are more adaptable when processes change

The Toyota Production System is famous for its emphasis on continuous training. Every Toyota employee is trained in multiple roles and in the principles of kaizen (continuous improvement), creating a highly skilled and flexible workforce.

2. Motivation and Engagement

Motivated workers are more productive. Strategies include:

• Financial incentives — performance-related pay, bonuses, profit-sharing schemes
• Non-financial incentives — job enrichment, empowerment, recognition, team-based working
• Improved working conditions — ergonomic workstations, natural lighting, rest areas

Frederick Herzberg's Two-Factor Theory distinguishes between hygiene factors (which prevent dissatisfaction — pay, conditions, job security) and motivators (which drive satisfaction and performance — achievement, recognition, responsibility). Sustainable productivity improvements require attention to both.

3. Better Management Practices

Productivity often depends more on how work is organised than on the effort of individual workers:

• Clear targets and feedback — workers who know what is expected and how they are performing adjust their behaviour accordingly
• Reducing unnecessary meetings and bureaucracy — freeing up time for productive work
• Effective delegation — matching tasks to the skills of available workers
• Removing bottlenecks — identifying and addressing the stages in a process that constrain overall output

4. Capital Investment

Providing workers with better tools, machinery, and technology can dramatically improve their output:

Investment	Productivity Impact
Faster computers and software	Reduces processing time for administrative tasks
Automated assembly equipment	Increases manufacturing output per worker
Digital communication tools	Reduces time spent on coordination and meetings
Robotics for repetitive tasks	Frees workers for higher-value activities

5. Process Redesign

Restructuring how work is done — the sequence of operations, the layout of the workplace, the flow of materials — can eliminate waste and improve output. Techniques include:

• Value stream mapping — analysing every step in a process to identify those that add value and those that do not
• Standardisation — creating clear, documented procedures for each task to reduce variation and errors
• Cell manufacturing — organising production into self-contained cells, each producing a complete component, rather than using a traditional linear layout

---

Obstacles to Improving Productivity