The preconditions to take-off are, to Rostow, that the society begins committing itself to secular education, that it enables a degree of capital mobilization, especially through the establishment of banks and currency, that an entrepreneurial class forms, and that the secular concept of manufacturing develops, with only a few sectors developing at this point. This leads to a take-off in ten to fifty years. At this stage, there is a limited production function, and therefore a limited output.
