Price dynamics of polypropylene and its feedstocks in Asia and North West Europe

Research output: Contribution to journalMeeting abstract


Purpose: To investigate the spot price dynamics of the polypropylene (PP) value chain in the Far East and North West Europe and discusses some of the main drivers of PP prices. Originality: The paper is motivated by the recent and growing debate on whether PP prices are cost or demand driven and we test this by looking at the lead-lag relationship between the prices of PP and its feedstocks. This relationship has not been tested previously. Key literature / theoretical perspective: To date, no published study is available that investigates the price dynamics of upstream and downstream value chains in the olefins, aromatics and downstream plastic and polymer industries. The relation between upstream and downstream prices is evident in several studies that model the dynamics between crude oil prices and refined petroleum products. Design/methodology/approach: The methodology is an extension of the Johansen cointegration methodology based on the ‘long-run structural modelling of Pesaran and Shin (Econometric Reviews 2002). Findings: The within-sample error-correction model results tend to indicate that PP prices in North West Europe appear to have been driven by the movements in upstream prices, namely propylene, naphtha and crude oil. In contrast to the above, PP prices in the Far East appear to have been driven by downstream demand where PP is used in various automotive, building and construction, industrial and household products. Research limitations/implications: Further research into the price dynamics can be tested by looking at any asymmetric effects between upstream and downstream movements in PP value chain. Since propylene is also used as an input in the gasoline market the influence of prices in these markets needs investigating. Practical and Social implications: The dynamics is important to PP producers and consumers as they are better able to gauge if the relationship is stronger between immediate feedstocks or further upstream prices.
Original languageEnglish
Pages (from-to)25-26
Number of pages2
JournalExpo 2010 Higher Degree Research : book of abstracts
Publication statusPublished - 2010
EventHigher Degree Research Expo (6th : 2010) - Sydney
Duration: 19 Nov 201019 Nov 2010


  • oil prices
  • polypropylene prices
  • long-run structural modelling
  • generalised variance decompositions
  • generalised impulse response functions


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