Is there an absence of a logical link between 'More to the point, even as the major airlines have been reaping large profits over the last four years, their productivity has not risen at all, suggesting that consolidation is not improving efficiency.' and 'Airlines don't produce much profit but have become highly productive. '
More to the point, even as the major airlines have been reaping large profits over the last four years, their productivity has not risen at all, suggesting that consolidation is not improving efficiency.###Airlines don't produce much profit but have become highly productive. 