The Bush Administration hopes that by eliminating the dividend tax, investors will be encouraged to buy more stocks. This, they believe, will cause a rise in the value of the market. The main question is: where will investors find the money to buy more stocks? Incomes are not likely to increase a lot in the short-term. Thus, if investors are buying more stocks, they must, necessarily, be buying less of something else. It is likely that consumers will buy less of the good that is the closest substitute to stocks, and for most consumers that good is bonds.
Bonds are, in essence, a loan taken out by a government or corporation, with the promise to pay back, to holder of the bond, a fixed amount at a later date. Bonds are a close substitute for stocks, because the two goods share many attractive qualities. Both stocks and bonds tend to appreciate in value over time. Also, unlike investments like