This infrastructure has also been used to move food to needy communities during emergencies (HLPE, 2012). In Ethiopia, households with access to both the PSNP as well as complementary packages of agricultural support were found more likely to be food-secure, to borrow for productive purposes, to use improved agricultural technologies, to operate their own non-farm 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 non-participating adults in the same household (Webb, 1995, cited in HLPE, 2012). 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.