How many pairs of sneakers do you own? Josh Luber of Campless and StockX talks with EconTalk host Russ Roberts about the world of sneakerheads--people passionate for collecting and trading sneakers. Each week people line up to buy classic sneaker models Nike re-releases. Luber has collected millions of transactions from Ebay on these sneakers and others and has analyzed the return to investing in various sneaker models. The conversation includes a discussion of how Nike has helped to create this market and Luber's work creating a stock market for sneakers and other goods.