in this research, performance of portfolios formed by use of grid strategy based on new variables (aggressive, indifference and defensive stocks) presented by rahnamaye roodposhti (1388), and traditional ones (growth, growth-value and value stocks), calculated with sharpe and treynor performance measures and tested by an active portfolio management approach to identify the portfolios by perform...

Firms often carry a portfolio of multiple brands within a product category to target different quality tiers in the market. Furthermore, to satisfy heterogeneous consumer preferences within each quality tier, these firms also offer several variants for each brand. A natural outcome of this practice is inter-brand variant overlap which could occur across tiers or within a tier. In this paper, we...

Firms faced with a portfolio of inconsistent design tasks often fail to get the best out of their investment in product design efforts. We present the concept of design focus as a strategic alternative for gaining competitive advantage through product design. The concept is based on the premise that design task homogeneity facilitates effective information processing and efficient utilization o...

Increasing product variety and expanding commercial offering create a challenge for companies in terms of keeping their portfolio profitable managing it through the entire lifecycle products. Effective productization management (PPM) practices, supported by structure considerations, may hold key profitability over lifecycle. This article examines current practices improvement possibilities PPM,...

1. Abstract A product portfolio can be defined as the set of artifacts marketed by a corporation in order to meet its customer’s needs. The proliferation of products in a company’s portfolio can create inefficiencies due to the greater complexity and the corresponding effort required to design and manufacture the set of products. A methodology for efficiently reducing the number of products thr...

This paper analyzes an individual’s post retirement longevity risk management strategy allowing for systematic longevity risk, recent product innovations, and product loadings. A complete-markets discrete state model and multi-period simulations of portfolio strategies are used to assess individual longevity insurance product portfolios with differing levels of systematic and idiosyncratic long...