Belfast traders will attend a crisis meeting on Wednesday to discuss losses caused by the Union flag protests.
The Confederation of British Industry estimated that £15 million was lost over Christmas because some people avoided the area altogether.
Stormont First Minister Peter Robinson and Northern Ireland Deputy First Minister Martin McGuinness are set to meet with British and Irish governments later this week.
Twenty-nine police officers were injured during sectarian riots between republicans and loyalists in east Belfast today.
The union flag will be raised at dawn over Belfast City Hall for the first time since the dispute began last month.
Police were attacked for a third night, with frontline officers reportedly coming under gunfire as new loyalist trouble erupted in Belfast.