TV 18 and Infosys BPO have decided to launch Source 18, a media process outsourcing (MPO) company, jointly. Infosys BPO will provide the technological support while TV 18 would bring in domain knowledge and expertise to the alliance. Both companies have decided to pool in their resources to tap the booming MPO industry. But with the rising rupee, one wonders whether the cost arbitrage model will work. Further, the cost arbitrage benefit may erode if the meagre productivity of IT staff is factored in.