this research aims at analyzing and investigation of role of brand and guerrilla marketing in keeping and increasing purchasing portfolio of customer in iran’s sme and in this respect three hypothesizes are developed. for doing of this research after exploration of models and approaches in brand questionnaire and guerrilla marketing were used for customers of company. the conceptual model based...

Purchasing portfolio models have received great attention during the last two decades. The simplicity of application and the focus on power-dependence balancing has been appreciated by practitioners and academics alike. In this paper we argue that the starting point in 'given' products in addition to a dyadic perspective on purchasing management may be counteractive when purchasing efficiency i...

Summary Kraljic's purchasing portfolio approach has inspired many academic writers to undertake further research into purchasing portfolio models. Although it is evident that power and dependence issues play an important role in the Kraljic matrix, scant quantitative research has been undertaken in this respect. In our study we have filled this gap by proposing quantitative measures for ‘relati...

This article investigates international stock market integration in largest (based on nominal GDP and purchasing power parity GDP) four developed namely USA, EMU, Japan and UK and two Asian emerging namely China and India international stock markets over the period June 1994 to June 2009. To model stock market integration we estimate a dynamic version of international capital asset pricing mode...

This paper considers a multi-objective portfolio selection problem imposed by gaining of portfolio, divided yield and risk control in an ambiguous investment environment, in which the return and risk are characterized by probabilistic numbers. Based on the theory of possibility, a new multi-objective portfolio optimization model with gaining of portfolio, divided yield and risk control is propo...

Purpose The impact of supply disruptions from unplanned events can cause goods shortage, limited responsiveness and high opportunity cost thus compromising development aid programmes' achievement targets. These situations force humanitarian agencies to develop new strategies for effectively managing their supplies. purpose this paper is illustrate the foundation chain resilience through an adap...

As global public health events and regional conflicts have greater influence on supply chains nowadays, supplier default in procurement becomes more common practice. However, there is less research portfolio purchasing decisions the case of fixed-term contract default. This paper focuses optimal decision buyers by using a combination contracts spot transactions, which beneficial extension class...