Labor

• "Workers vary enormously in their characteristics, their strength, their intelligence, skill, cheerfulness, industry, and reliability." - Samuelson and Nordhaus
• "Business unionism pertains to unions that exist primarily for economic improvement of workers, rather than to engage in a class struggle to alter the form of government or to pursue socialism." - Samuelson and Nordhaus
• "Human resources pertain to the quantity and quality of nation's labor force." - Todaro