In this article, we examine the universal service obligation for telephone directories. In most countries, this obligation consists of two parts. First, publishers must offer a comprehensive directory, including…
Since the first decades of the 20th century scholarly activity in economics has expanded rapidly. Indeed, the cumulative stock of journal articles in economics has doubled every fourteen years. A century ago,…
The shift toward more open and interconnected innovation activities has been a major topic in recent academic and practitioner discussions. Firms must connect their in-house R&D activities with external…