However, several important factors distinguish a stock and cash dividend. "Overall, the aim of the tax law is to impose a tax on "dividends" when assets representing corporate earnings are transferred to the shareholders. Stock dividends, however, merely give the shareholders additional pieces of paper to represent the same equitable interest; they do not transfer assets or create new priorities among the security-holders. The total value of the common shares, though now spread out over a larger number of units, is left unchanged from its previous level. In effect, nothing of substance has occurred."