“The Hourglass Effect” is a white paper written by Frank Rotman from QED Investors in 2015; it provides a historic look at the evolution of the marketplace lending industry and how its growth has coincided with the slowdown in traditional bank lending following the 2008 financial crisis; it outlines ten years of industry growth and includes in-depth details on the economy, marketplace lending and banks; Frank Rotman also presented the white paper in a recorded presentation at LendIt USA 2015. Source