, and eighty percent for roads. 15 16 The term public works includes government-owned and operated infrastructure as well as public buildings, such as schools and court houses. Eberhard, "Infrastructure Regulation in Developing Countries ppiaf Working Paper. The word infrastructure has been used in English since 1887 and in French since 1875, originally meaning "The installations that form the basis for any operation or system". The second characteristic is the non-availability of infrastructure goods and services. 5 6, the word was imported from. "What is social infrastructure? 11 The goal of personal infrastructure is to determine the quality of the economic agents values. These being schools, parks and playgrounds, structures for public safety, waste disposal plants, hospitals, sports area, etc.