『WIKINOMICS』でRonald Coaseの「取引コスト」の話がでてきて非常に興味深かった。 All this leads to what we and our colleagues call "Coase's Law":A firm will tend to expand until the costs of organizing an extra transaction within the firm become equal to the costs of carrying out the same transaction on the open market. As long as it is cheaper to perform a transaction inside your firm, keep it there. But if it is cheaper to g