%0 Journal Article %T Instanton Effects in Matrix Models and String Effective Lagrangians %A R. Brustein %A M. Faux %A B. Ovrut %J Physics %D 1994 %I arXiv %R 10.1016/0550-3213(94)00387-T %X We perform an explicit calculation of the lowest order effects of single eigenvalue instantons on the continuous sector of the collective field theory derived from a $d=1$ bosonic matrix model. These effects consist of certain induced operators whose exact form we exhibit. %U http://arxiv.org/abs/hep-th/9406179v1