Summary This paper develops an example beyond traditional microeconomic theory that provides a new explanation of Giffen behaviour. Maslow’s hierarchy of needs suggests that an individual’s preferences are not fixed but, rather, depend on purchasing power. A decrease in purchasing power with...

Purpose – The purpose of this article is to examine the purchasing power at the bottom of the pyramid (BOP), i.e. of low‐income consumers. Design/methodology/approach – The authors analyze secondary data on income, population, and expenditure at the BOP from different countries, and apply...

Purpose – Despite the critical role of the industrial buying situation in shaping buyer behavior and seller response, little research has been conducted to augment extant knowledge on the subject. To fill this gap, this article focuses on influence strategies that industrial buyers exert on...

Purpose The purpose of this research is to develop an understanding of how purchasing can become meaningfully involved in complex business-to-business service purchases. Design/methodology/approach A single in-depth case study method of an exemplar organization was applied to better understand...

Purpose – In what seems as an infinitely ongoing debate regarding the purchasing power parity (PPP) theory, this paper seeks to question the strength of the scientific “evidence” put forward by the PPP revisionists Design/methodology/approach – In this paper, the validity of the PPP...

Purpose – The purpose of this paper is to revisit the evidence for purchasing power parity (PPP) using long, low‐frequency data (over 100 years) for 23 organization for economic co‐operation and development (OECD) countries against each of four different base currencies – the Deutsch...

Purpose – The aim of this paper is to examine the relationship between relative population growth and purchasing power parity (PPP) exchange rate for a panel of 80 countries. Design/methodology/approach – Panel unit root and panel cointegration tests have been used to investigate the above...

Purpose – The objective of this paper is to study the relationship between information technology (IT) investments and performance in the purchasing function. A study is made not only of whether this relationship exists, but also of the mediating role played by both purchasing practices and...

Purpose – The purpose of this paper is to understand the impact of cooperative purchasing on buyers’ purchasing power. Purchasing in the humanitarian sector has traditionally been characterized by a low level of coordination due to inter-agency competition for funding, diverging mandates and...

Purpose – Project cost is normally a key performance indicator for all projects, and therefore features prominently in benchmarking exercises aimed at identifying best practice. However, projects in different locations first require all costs to be expressed in equivalent units. Failing to do...