Numerous studies have tried to provide a better understanding of firm-level investment behaviour using econometric models. The model specification of more recent studies has been based on two main approaches. The first, the real options approach, focuses on irreversibility and uncertainty in...

Low investment rates are a puzzling phenomenon particularly in transition economies with an urgent need for modernisation. The literature offers two alternative explanations: imperfect capital markets and investment reluctance due to real options effects. In this paper, we develop a generalised...