ENGLISH ABSTRACT: Several studies have shown that abnormal returns can be generated simply by buying past winning stocks and selling past losing stocks. Being able to predict future price behaviour by past price movements represents a direct challenge to the Efficient Market Hypothesis, a...

In today’s business environment it is widely accepted that innovation is key to improving theeconomic performance of companies (Van der Panna et al. 2003) and for achieving andsustaining a competitive advantage in the market place.Based on the definition of radical innovation, a radical...

ENGLISH SUMMARY: The research documents the development of a conceptual framework, the improbable circumstances strategic (ICS) framework, which guides organisations in the preparation for improbable circumstances.Four fields include: strategic management, innovation, systems thinking and...