The mobile applications (apps) industry has exhibited rapid entry and growth in the midst of a recession. Using unique data from the iPhone application ecosystem, we examine how the development of "killer apps" (apps appearing in the top grossing rank) varies by market and app characteristics....

This paper proposes tests to empirically examine whether auction prices aggregate information away from the limit. These tests are applied to a unique dataset containing winning bids and measures of the value and dispersion of information signals in eBay auctions for computers. Results suggest...