"The authors of the bestselling Competing on Internet Time (a Business Week top 10 book) analyze the strategies, principles, and skills of three of the most successful and influential figures in business--Bill Gates, Andy Grove, and Steve Jobs--offering lessons for all managers and entrepreneurs...

We present a model of research joint ventures in which if firms have highly complementary skills and resources then they prefer to cooperate in areas where the technology is highly appropriable, as in applied research. The model also indicates that large firms have a greater incentive to...