Explanation:

• Option 1: A high rate of saving
• Saving is crucial for capital formation. Increased savings can lead to more investments.
• Option 2: A low ICOR
• ICOR (Incremental Capital Output Ratio) measures investment efficiency. A low ICOR implies higher efficiency, meaning less investment is needed for growth.
• Option 3: A sound and broad financial and banking system
• Allows efficient mobilization and allocation of savings for productive investments. Supports economic growth.
• Option 4: A high ICOR
• A higher ICOR means more capital is required for growth, indicating lower investment efficiency.
• Correct Answer: Option 1: A high rate of saving