A time series model is estimated to identify the interrelation among prices on the international and the EU domestic market for butter. Although the findings were not derived from a causal model, the inspection of the data provides economically reasonable and important insights in structural...

A time series model is estimated to identify the interrelation among prices on the international and the EU domestic market for butter. Although the findings were not derived from a causal model, the inspection of the data provides economically reasonable and important insights in structural...

The availability of efficiency estimation software –freely distributed via the internet and relatively easy to use –recently inflated the number of corresponding applications. The resulting efficiency estimates are often used without a critical assessment with respect to the literature on...