According to research firm Nielsen, global advertising spend lifted 3.2% over the first three quarters of 2013. However in Europe it fell by 3.8%. Most of the growth was driven by the Asia-Pacific region, where advertising spend shot up 7% during the same period. "With signs of optimism spreading within the global economy and Asia Pacific's ad market gaining increased momentum, Nielsen will be watching to see if the global advertising market continues to pick up speed through the end of the year," said Nielsen.