The present work (a) proposes the establishment of an information system at national level and (b) promotes the adoption of an 'objective oriented' monitoring system at project level. The establishment of a national database is proposed to improve the PIM information at national level. Such database should contain periodical evaluations of the PIM programs. The paper advocates that the main objective should be the improvement of the performance of the concerned system rather than the comparison of results. For this purpose the proposed monitoring and evaluation system consists of three levels of information. The first is of very general nature to feed information into the national system and to allow the comparison of results among different projects. The second level is integrated by a number of indicators that respond to general objectives that should be of interest to all managers; the third level is made of indicators that respond to the specific objectives the manager of a given system has established.