This article explores new methods for gathering and analyzing spatially rich demographic data using mobile phones. It describes a pilot study (the Human Mobility Project) in which volunteers around the world were successfully recruited to share GPS and cellular tower information on their...

To what extent do firms engage in product line actions simultaneously with actions in other marketing variables? What are the determinants of product line actions? To what extent are product line actions proactive? To what degree are they reactive? How can a firm's product line action elasticity...

Many young firms use strategic actions to attract partners who help them increase the size of their operations quickly. This article examines the use of strategic actions to attract partners and increase system size in the context of franchising. We build on research in entrepreneurship,...