Real estate agents have a pretty good grasp of the mortgage market landscape and can distinguish among subprime, reduced-documentation, and other niche lenders, including alternative lenders, according to a new nationwide survey of real estate agents sponsored by Inside Mortgage Finance. The survey, conducted by Washington, DC-based Campbell Communications, is the fourth in a series of annual polls examining the relationship between real estate agents and broker-owners and mortgage lenders. More than 1,780 agents responded