Putting labour values to work

Putting Ricardo to Work

Presented with the opportunity to trade, countries bene…t by specializing in the activities they do relatively better. This …nding, the principle of comparative advantage, is one of the …rst analytic results in economics. While Adam Smith (1776) made a much earlier case for free trade, he based it on increasing returns to scale, and provided no formal demonstration. In contrast, David Ricardo (...

Putting Metaphors to Work

Metaphor has proven to be one of the richest and most robust ideas in the design of computer applications and user interfaces. The basic idea is very simple: present functionality in such a way that the user can access and apply specific prior knowledge while learning and using a novel tool. But the practical and theoretical ramifications of this idea both in the brief history of humancomputer ...

Putting Metaclasses to Work

ha R. Forman works for IBM in Austin. As a member of IBM’s Object Technology Products Group, which has produced the SOMobjects Toolkit, he worked on the SOM Metaclass Framework. He started working in the area of object-oriented programming in 1984, when he worked at ITT Programming Technology Center. Forman received his Ph.D. in Computer Science from the University of Maryland, where he studied...

Putting ethnography to work

Putting Knowledge to Work

The University of Georgia and Ft. Valley State College, the U.S. Department of Agriculture and counties of the state cooperating. The Cooperative Extension service officers educational programs, assistance and materials to all people without regard to race, color, national origin, age, sex or disability An equal opportunity/affirmative action organization committed to a diverse work force.. The...