This paper analyzes the for-profit transformation of health care, with emph
asis on Internet start-ups, physician practice management firms, insurance
plans, and hospitals at various stages in the industry life cycle. Venture
capital, conglomerate diversification, publicly traded equity, convertible
bonds, retained earnings, and taxable corporate debt come with forms of fin
ancial accountability that are distinct from those inherent in the capital
sources available to nonprofit organizations, The pattern of for-profit con
versions varies across health sectors, parallel with the relative advantage
s and disadvantages of for-profit and nonprofit capital sources in those se
ctors.