The annual effective yield on its money market account is 5.44 percent.

For the first five weeks, the effective yield is 8.89 percent, more than a full percentage point higher than a conventional bond.

In any event, the higher the purchase price for a fund, the lower the effective yield.

This brings the effective yield to around 15 percent, analysts said.

The fund bought them last month for a price that gives an effective yield to the call date of 4.8 percent.

The added value from the warrants increases the effective yield to around 15 percent, analysts said.

First, the proven effective yield on these tax-credit partnerships is between 14 and 16 percent.

You're getting an effective annual yield of twenty-one and a half percent.

The effective yield rises to 15 percent or more if the value of the warrants is included, analysts say.

The difference - $1,495.25 - provides the effective yield of 17.5 percent.