We explore how firms grow by adding products. In contrast to most earlier work on the topic, our conceptual and empirical framework allows for separate treatment of product innovation (vertical differentiation) and diversification (horizontal differentiation). The market context is Japan's...

We explore how firms grow by adding products. In contrast to most earlier work on the topic, our conceptual and empirical framework allows for separate treatment of product innovation (vertical differentiation) and diversification (horizontal differentiation). The market context is Japan's...

We analyze the emergence and spatial evolution of the German laser systems industry. Regional knowledge in the related field of laser sources, as well as the presence of universities with physics or engineering departments, is conducive to the emergence of laser systems suppliers. The regional...

E-commerce has grown considerably in recent decades and has had a disruptive impact on the retail industry. In this context, Amazon, one of the major players in (online) retailing and beyond, has been able to expand its business activities continuously in many countries. The present case study...

We analyze the emergence and spatial evolution of the German laser systems industry. Regional knowledge in the related field of laser sources, as well as the presence of universities with physics or engineering departments, is conducive to the emergence of laser systems suppliers. The regional...

In this paper we bridge a gap between innovation economics and the human development approach by analyzing positive and negative effects of different types of economic diversification on social welfare. Economic variety is a driver and outcome of economic development. However, diversification...