Microcredit programs provide a two-tiered approach to poverty alleviation: credit for the purchase of capital inputs in order to promote self-employment and noncredit services and incentives. These noncredit aspects may be an important component of the success of microcredit programs. However, because they are costly to deliver and their contribution to the success of the programs is difficult to measure, they may not be properly valued. This paper uses primary data on household participants and nonparticipants in Grameen Bank and two similar microcredit programs to measure the total and noncredit effects of microcredit program participation on productivity. The total effect is measured by estimating a profit equation and the noncredit effect by estimating the profit equation conditional on productive capital. Productive capital and program participation are treated as endogenous variables in the analysis. I find large positive effects of participation and the noncredit aspects of participation on self-employment profits.