Why Do Governments Find It So Hard To Control Public Expenditure? Since the 1970's rising public expenditure has become a politically salient issue, with the focus being on the difficulties experienced in trying to control it. In order to answer a question concerning why governments find it hard to control public expenditure it is first necessary to look at the reasons for the growth in public spending. There are three approaches which attempt to give reasons for growing public expenditure which I intend to scrutinise, these are, the societal system approach, the political system approach and the governmental sy