On Shareable Goods and the Emergence of Sharing as a Modality of Economic Production: The first three Parts are dedicated to defining a particular class of physical goods as “shareable goods” that systematically have excess capacity and to combining comparative transaction costs and motivation analysis to suggest that this excess capacity may better be harnessed through sharing relations than through secondary markets.

This is quite long, but well suited to Instapaper and interesting thought material. I’ve taken the PDF and put up a clean HTML version for those that want to grab it on Instapaper.