Chris Oberbeck, chairman and chief executive officer at Saratoga Investment Corp., says that the structure of business-development companies -- which allows assets to increase in value when interest rates rise, while keeping liabilities fixed, thereby raising spreads -- makes them particularly attractive to investors looking for better real yields in a rising-rate environment. Oberbeck explains, generally, how BDCs will be able to weather the first rate increase, whenever it happens, with much less impact than most income investments will experience.