Startup accelerator programs are running rampant around the world, but it remains unclear how effective they are, especially in emerging markets. Anne Field writes about the new $2.3 million three-year partnership that ANDE and Emory University, supported by the U.S. Global Development Lab at USAID, Omidyar Network, The Lemelson Foundation, and the Argidius Foundation, that will explore the impact and effectiveness of accelerators.