ADDIS ABABA, Ethiopia—A generation ago, this African nation was a magnet for Western charity. Today, some of America’s richest deal makers are delivering something new: investment.
A number of high-profile investors have recently shown up here. KKR Co., the New York-based private-equity firm, last summer bought control of a rose farm, Afriflora, for about $200 million, its first investment in Africa. Blackstone Group plans to…
