On the other hand, certain costs associated with international integration, especially if they are concentrated in specific population groups, are more salient. There has been a growing perception that the benefits of this process have been unevenly distributed in advanced countries.
  First, food items excluding oilseed products (weight in WPI: 24.2 per cent): Prices of this group of commodities are largely determined by domestic factors and, in the event of supply shortage, imports influences international prices too.