New transit capital expenditures are typically evaluated in isolation from the transit/transport systems to which they belong. Problems with reporting performance elements such as ridership and costs are discussed. A focus on evaluating the total transport systems impact of new transit project implementation is called for. On this basis, new US rail transit systems have generally performed poor...

A major emphasis of research in informing science and its contributing disciplines is the development of theory. As it is most commonly used, the term theory refers to our attempt to describe—in symbolic terms—some underlying truth. Through developing such descriptions, we seek to improve our understanding of phenomena that occur in the natural or social world and, perhaps, enhance our ability ...

The articles by Kees van Kersbergen and Daniele Caramani constitute an impressive joint plea in favour of descriptive analyses within comparative politics. They also warn, less convincingly, against an alleged obsession of the discipline with variation that, according to them, does not do justice to the similarity of many cases. This response demonstrates that limiting the analysis to similar c...

ACENTURY FROM NOW, social and demographic historians may be pondering the question of why the topic of teenage childbearing suddenly became so prominent in America during the last several decades of the twentieth century. The issue emerged from social invisibility during the 1950s and early 1960s, when rates of childbearing among teens reached historical peaks, and rose to a level of public obs...