Following the development of knowledge economies, there has been a rapid expansion of economic analysis of knowledge, both in the context of technological knowledge in particular and the decision theory in general. This paper surveys this literature by identifying the main themes and...

We present a dynamic model of factor demands based on a contemporary cost function and a dynamic version of Shepard's lemma. While making only very mild assumptions on expectations and technology, we are able to present a complete characterization of the factor demand system and the contemporary...

Describes the changing role and function of libraries caused by cuts, new technology, etc. Discusses future directions and challenges, especially with regard to IT. Examines new initiatives for libraries, including training shopkeepers as librarians and having in‐store libraries. Uses the case...