Final answer:
The statement is true; proper execution is crucial for the success of business strategies and capabilities, as it turns plans into measurable results.
Step-by-step explanation:
The statement 'The best-designed strategies and the best-developed capabilities are useless unless they are effectively executed' is true. Without proper execution, even the most carefully crafted strategies and capabilities will not yield the desired outcomes.
This concept is critical in business, where execution is key to turning plans into tangible success. Implementation requires adequate resources, good management, and a clear action plan. For example, a company might have an innovative product and a strategic marketing plan, but if the product launch is poorly executed due to inadequate distribution channels or untrained staff, the product may fail to reach the market effectively.