Albert Waterston, David Williams, and Robert F. Skillings
to relatively trivial economic problems or to fragments of problems of greater import. Alternatively, at the risk of deviating greatly from reality, they may define economic problems in ways which allow them to apply simplified, static, or linear techniques (for, alas! the state of the art is still primitive) to highly complex, dynamic, and curvilinear relationships. And since the purposesofeconomists very according to their lights, their approach to the problems of economic development vary greatly.
Until recently, at least, most authors of textbooks available