According to Schumpeter (1934), entrepreneurs are driven to innovate not for the fruits of success but for success itself. This description of entrepreneurship echoes Weber’s (1958 ) description of the “spirit of capitalism,” which states that people enjoy the accumulation of wealth...

We develop a knowledge-based endogenous growth model to address the issue of directed technological change, in which skilled workers are used both in innovation and consumer goods production. Using the model, we investigate how the direction of technological change influences scale effect and...