Grier Eliasek, president ofProspect Capital ( PSEC ), a business development company in New York City, explains the ins and outs of his industry and his outlook for the year. At a time when inflation erodes gains from paltry interest paid on savings accounts, investors have warmed up to alternative sources of income, such as business development companies, some of which offer double-digit yields. Eliasek: Most of the 42 publicly traded BDCs have small balance sheets with limited capability to serve as the sole lender for many private companies.