South African businesses have been cashing in on the economic crisis in Zimbabwe and need to stop putting profits before ethics and play a greater role in resolving the country's problems, a leading Zimbabwean academic said [Brian Raftopolous, director of research and advocacy for Solidarity Peace Trust]..."They [So. African companies] need to give support to the mediation and speak out against human rights abuses. It is their employees who are the victims," he said...Jerry Vilakazi, chief executive of Business Unity South Africa, dismissed allegations that South African businesses were "cashing in on the crisis."..."Business has to play a constructive role to ensure the difficulties the people of Zimbabwe are going through are minimized through constant supply of food ... (and) jobs," he said.