this infrastructure has also been used to move food to needy communities during emergencies hlpe in ethiopia households with access to both the psnp as well as complementary packages of agricultural support were found more likely to be foodsecure to borrow for productive purposes to use improved agricultural technologies to operate their own nonfarm business activities to achieve higher grain production and to make greater use of fertiliser ifad et al however one evaluation in niger recorded lower body mass index bmi scores for public works participants than for nonparticipating adults in the same household webb cited in hlpe the wage levels set are vitally important for public works as the energy expended performing manual labour reduces the net nutritional impact of the food or cash wages