Sentence:  When we look at countries like Iran , Iraq , Pakistan , and Burma , where substantial progress has been made in creating a minimum supply of modern men and of social <WSD>overhead</WSD> capital , and where institutions of centralized government exist , we find a second category of countries with a different set of problems and hence different priorities for policy . 
Meaning of the word marked with <WSD> tags:  the expense of maintaining property (e.g., paying property taxes and utilities and insurance); it does not include depreciation or the cost of financing or income taxes