Given that attitudes and values can be judged fairly early on in a relationship, couples with differences can chose whether to stay together despite or becauseofthesedifferences.
It represents a perception that such differences have some social significance-primarily becauseof perceived cultural differences though these are frequently associated with forms of structural differentiation.
There is much talk of cost synergies, but these often fail to materialise because cultural differences between the different personalities of the merging organisations clash and subvert the process.
However, because there is such a strong contrast in the preference for menthol by race and sex and because there are large differences in the rates ofthese cancers also by race and sex, we felt that this was a case in which an ecologic approach could be informative.