The statement is false. Supposing that transaction costs were zero does not obviate disagreements or problems that can arise. The claim implies that if it cost nothing to buy or to sell something, that no such problems or disagreements would occur, which is silly.
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The statement is false. Supposing that transaction costs were zero does not obviate disagreements or problems that can arise. The claim implies that if it cost nothing to buy or to sell something, that no such problems or disagreements would occur, which is silly.