Finding the best way to optimize the portfolio after Markowitz's 1952 article has always been and will continue to be one of the concerns of activists in the investment management industry. Researchers have come up with different solutions to overcome this problem. The introduction of mathematical models and meta-heuristic models is one of the activities that has influenced portfolio optimizati...

Since the 1980s the concepts of portfolio management have been adopted within the context of understanding business markets. Academics on both sides of the Atlantic have conceptualized and empirically tested a variety of customer and supplier portfolio models. More recently the concept of an indirect portfolio of relationships and its management has also been introduced. This paper reviews the ...

In today’s competitive business environment, it is extremely important to offer customers exactly the products they want. Mass Customization promises to enable companies to offer a large variety of products while still being able to manage the complexity caused by this increased number of products. But offering a large range of variants does not necessarily mean increased profits, as many manuf...

Product line engineering (PLE) is a systems engineering discipline to engineer a portfolio of related products in an efficient manner, taking full and ongoing advantage of the products’ similarities while respecting and managing their differences. Managing a portfolio as a single entity with variation, as opposed to a multitude of separate products, brings enormous efficiencies in production an...

Investment decision making is one of the key issues in financial management. Selecting the appropriate tools and techniques that can make optimal portfolio is one of the main objectives of the investment world. This study tries to optimize the decision making in stock selection or the optimization of the portfolio by means of the artificial colony of honey bee algorithm. To determine the effect...

This article focuses on how the customer portfolios of technology-based entrepreneurial firms affect new product development. Drawing on knowledge-based, resource dependence, and relational theories, the authors argue that the impact of a firm’s customers on new product development depends on the size and relational embeddedness of the customer portfolio and the extent to which the firm is depe...

In this study we present a novel integration between product portfolio management evaluation criteria and product design decisions involving the design of chemical-based configured consumer products.We consider the variance contributionmade by the product’s quality characteristics to the product’s economic performance that is measured via its net present value (NPV). The sensitivity-based time-...

Managers and stakeholders concerned about all sorts of entities often face a complex mixture of threats originating from multiple sources. Traditional management approaches that deal with multiple decisions, such as project portfolio management and risk assessment, are focused on single sources of risk or integrate risks using simplified assumptions (e.g., simple addition). Current challenges –...

Recent years have seen an increasing interest in IT project portfolio management. Consequently, a considerable number of respective practices and approaches have been published. However, these contributions are scattered through a large number of journals and conferences and address very different topics. Therefore, this contribution sets out to locate the relevant body of literature related to...