 Modelling the effect of buyer and seller power on the margins of commodity plasticsP. R. Cowley Strategic Management Journal, 1985, vol. 6, issue 3, 213-222 Abstract: In the last decade, large sectors of the chemical and plastics industries in the U.S.A. and West Europe have suffered drastic declines in price and gross margin during periods of low use of industry capacity. This paper shows that the major changes in gross margin observed for some commodity plastics can be modelled successfully in terms of the balance between buyer power and seller power. These industries have visibility of prices and industry occupacity and comparable concentrations of sellers and important buyers. The modelling follows Burgess (1982) in expressing buyer and seller power as simple functions of buyer and seller concentrations, industry occupacity and ‘cohesion’ between sellers. This work provides a first practical test of this new approach. It is shown that the model fits the observed data best if the ‘cohesion’ declines as occupacity declines. It is suggested that the approach would be useful in understanding the behaviour of other ‘near‐commodity’, capital‐intensive businesses, and in helping to distinguish between those businesses where margins are likely to remain relatively stable and those which might face drastically declining margins if the industry occupacity declines or new entrants change the balance between sellers and buyers. Date: 1985 Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:bla:stratm:v:6:y:1985:i:3:p:213-222 Ordering information: This journal article can be ordered from Access Statistics for this article More articles in Strategic Management Journal from Wiley Blackwell |
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