Final answer:
The output control measures most commonly used by global businesses is the quality control option (d). It maintains the consistency of products and services, relates to customer satisfaction, and can impact the company's profitability.
Step-by-step explanation:
The output control measure frequently used by global businesses is d) Quality control. Quality control ensures that the products and services meet specific requirements and maintain a high level of consistency. This system includes a variety of checks and tests at different stages of the production process.
Quality control addresses issues such as defects and faults, and it can directly relate to customer satisfaction, brand reputation, and the company's bottom line.
Productivity, a measure of output per unit of input, can also reflect the efficiency of production, but it is distinct from quality control. While efficiency focuses on reducing waste and maximizing the use of resources, quality control specifically targets the attributes of the final product.
Similarly, employee turnover pertains to the rate at which employees leave a company and is more a measure of human resources management than of output control.