mechanism, we develop a theory of an economy where firms with heterogeneous demands use labor and knowledge to produce …. Entrepreneurs decide the number of layers of management and the knowledge and span of control of each agent. As a result, in the …

proportion of knowledge workers in employment, depending on the response of the overall demand for knowledge to the implied … reduction in the cost of acquiring it. In my model, knowledge (in a broad sense) is an input into the production function of … knowledge input in the production of human capital. An improvement in IT is modelled as an increase in the number of people who …