This paper presents research and we explain planning of the economic efficiency of new investments with usefulness of such investments. Efficiency as an effective system with its standards and it represents a guideline for policy of new investments. Technical - instrumental dimension of efficiency is stated by standards of that efficiency. Standards of efficiencyare expressed in value to test their appropriateness. The choice of scale, because everyone has to choose suitable standards of efficiency, depends on the methods that can be used to plan the economic success of new investments.Those are standards of the real recent efficiency, standards of methods Prodi - Nodi, profit and earnings from investments. Not any profit, but suitable and maximum profit. Expedient efficiency is in maximum profit and earning and the same is determined by the standards of above methods, rather than the traditional methods that economic planning abandoned.