As the global advertising industry attempts to predict the effect of the terrorist attack on the US, the Media Edge, a US media planning agency, has charted advertising expenditure in the US before, during and after the 1991 Gulf War. The study came up with the following lists of sectors that showed a decrease in ad spend: business propositions and employment recruiting: -55 per cent; retail: -21 per cent; jewellery: -18 per cent; airlines: -23 per cent; petrol: -21 per cent; soft drinks and snacks: -17 per cent; drugs and remedies: -14 per cent. categories showing increases were: computers and office equipment: +42 per cent; beer and wine: +26 per cent; building materials: +25 per cent.