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The passage argues that flexibility is valuable but not costless. Preserving options may delay learning, prevent specialization and weaken the confidence required for coordinated investment. Commitment can create capabilities and opportunities, but excessive rigidity can also be harmful. The author therefore advocates balancing flexibility and commitment according to uncertainty, reversibility, learning requirements

The passage distinguishes the formal availability of a choice from the practical ability to exercise it. A person may theoretically have many career or business opportunities, but without the necessary skills, savings or relationships, those alternatives may have little practical value. The distinction is therefore between apparent possibility and genuine feasibility, not between legal and informal choices or between

Statements 2 and 3 are correct. The passage explains that learning sometimes requires action and that credible commitments can induce others to make complementary investments. Statement 1 is incorrect because preserving nominal choices without developing capabilities may reduce their practical value. Statement 4 is incorrect because reversibility can be influenced by design choices such as modular infrastructure and