Investors are still worried about the global market, which has been in a volatile mood since a long period of time due to the European debt crisis. However, experts feel that the market condition will improve in a couple of years from now. In an exclusive interview to NDTV Profit, Robert Parker, Senior Adviser - Credit Suisse, said that the first half of 2012 is going to remain very difficult globally, but economic conditions are likely to improve in 2013.