Price volatility in Niger millet markets

Research output: Contribution to journalArticlepeer-review


Price volatility of food staples is one of the most complex factors affecting food security. Recent food price crises have raised academic interest in improved volatility assessment. The widely held assumption in econometric volatility models that long-run volatility is constant, has been recently questioned and partly blamed for these crises. A multiplicative MGARCH model recently proposed by Bauwens et al. is used in this article to model price volatility transmission along the Niger millet marketing chain. Results suggest important volatility links between consumer and producer prices, as well as noteworthy differences between short and long-run price dynamics.

Original languageEnglish (US)
Pages (from-to)489-502
Number of pages14
JournalAgricultural Economics (United Kingdom)
Issue number4
StatePublished - Jul 1 2015


  • Millet
  • Multiplicative MGARCH
  • Niger

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Economics and Econometrics


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