This paper proposes an endogenous growth model to study whether innovation activities generate business cycles. We find that fishing-out and learning-by-doing effects, which are common properties in innovation activities, generate inverted U-shaped cycles. In this paper, primary and secondary...

We propose an open-source model with leaders and followers to study the electric vehicles (EV) industry theoretically. Our model finds that immaturity of technology and technological competition are the two main reasons EV giants like Tesla and Toyota choose to open-source. Open source has...

The development of urban digital platforms has changed its entrepreneurial environment and affected regional innovation vitality. We calculated the development index of digital platforms of 294 prefecture-level cities in China between 2013 and 2020 using the principal component analysis method....