The aim of this article is to provide reader with a comprehensive insight on the theories, empirical findings and models of Product Portfolio Management (PPM) during new product development. This article will allow for an in-depth theoretical approach on PPM and demonstrate to managers the...

The purpose of this paper is to ascertain the perception of management on the benefits of adopting an environmental management accounting (EMA) system as a waste management tool in a paper and pulp manufacturing company. This paper highlights the benefits of an EMA system and the role and...

The aim of this study is to use material flow cost accounting (MFCA) to assess the level at which cleaner production (CP) can improve both environmental and economic performance of an organization. Higher energy and raw material prices are causing CP to grow in relevance and importance. The...

The survival of any industrial organization depends on whether producing goods or services hinge on how innovative they have become in managing their product portfolio to craft new products that changes with the ever-changing tastes and needs of their customers. This study delves in to the...

Katharina Pistor proposed the Legal Theory of Finance (LTF), based on the premise that finance is legally constructed (Pistor, 2013b). In this paper, we apply network science to provide empirical evidence from global financial networks (GFN) to support the argument of the LFT. Using data from...

The field of behavioural finance points out various investor biases and heuristics which inhibit optimal investment choices and are sometimes deemed irrational. Although emotions are often viewed as anathema to sound financial decisions, there is a big emotional component that has to be taken...

This study investigates the existence of chaos on the Johannesburg Stock Exchange (JSE) and studies three indices namely the FTSE/JSE All Share, FTSE/JSE Top 40 and FTSE/JSE Small Cap. Building upon the Fractal Market Hypothesis to provide evidence on the behavior of returns time series of the...

This study seeks to investigate herd behaviour among equity mutual fund managers and the performance of mutual funds that trade against the herd in South Africa. The behaviour of mutual funds has an effect on the stability and volatility of stock markets, the ultimate returns to the investors....

Peters (1994) proposed the fractal market hypothesis (FMH) as an alternative to the efficient market hypothesis (EMH), following his criticism of the EMH. In this study, we analyse whether the fractal nature of a financial market determines its riskiness and degree of persistence as measured by...