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Abstract
This paper aims to analyze the milk prices transmission along the food chain in Portugal,
temporally and spatially. The results show that the volatility on retail prices is
small but happens after 2008. The farm gate price does not change when the price of
package milk changes. In mainland, price transmission does not happen but for Azores
the transmission is effective. In the intensive systems, the risk to collapse is bigger than
in the extensive systems, where the volatility of prices reflects the process of markets
adjustment.