In this paper we present a methodological proposal of the way integration and cointegration analysis can best be used to test if the level of aggregation of an index is adequate. Using this proposal, we enquire the extent to which a Spanish aggregate farm price index captures the behavior of its...

The general decline in per capita consumption of wine worldwide over recent decades reveals the need to apply effective marketing strategies to capture segments of the population, such as young people or women, who tend to consume wine sporadically and in small amounts, even among traditional...