We analyze the relation between patents and the different business models available to firms in the software industry. The paper builds on Cusumano's work defining the differences among firms that sell products, those that provide services, and the hybrid firms that fall between those polar...

Software patents have been controversial since the days when "software" referred to the crude programs that came free with an IBM mainframe. Different perspectives have been presented in judicial, legislative, and administrative fora over the years, and the press has paid as much attention to...

This paper uses data from the 2008 Survey of Consumer Payment Choice to discuss the adoption, use, and discarding of various common payment instruments. Using a nationally representative sample of individual-level data, it presents evidence in unparalleled detail about how consumers use...