Marketing and pricing dynamics in the presence of structural breaks - the Hungarian pork market
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The study of marketing margins and price transmission on various commodity markets has
been a popular research topic of the past decades (see MEYER, VON CRAMONTAUBADEL,
2004, for a recent survey), however with a few exceptions these studies
focused on developed economies. In this paper we examine the above phenomena on the:
Hungarian pork market. The Johansen (maximum likelihood) or Engle and Granger (two step)
cointegration tests do not reject the no-cointegration null hypothesis between the Hungarian
pork producer and retail price series. Therefore we apply the Gregory and Hansen procedure
with recursively estimated breakpoints and ADF statistics, and found that the prices are
cointegrated with a structural break occurring in April 1996. Exogeneity tests reveal the
causality running from producer to retail prices both on long and short run. Homogeneity tests
are rejected, suggesting a mark-up pricing strategy. Price transmission modelling suggests
that, price transmission on the Hungarian pork meat market is symmetric on the long, but
asymmetric on the short-run, i.e. processors, wholesalers or retailers might take temporary
advantage should price changes occur.