Relative advantage and perceived usefulness are often used interchangeably in the literature. In this paper, the authors argue that this limits the understanding of the adoption of ICTs, especially when there are multiple alternatives. To address this issue, the authors reexamine relative advantage in relation to perceived usefulness, providing a re-specification of relative advantage and empir...

background and objectivesintercropping or simultaneous growing of two or more crops on the same piece of land has the potential of enhanced ecosystem productivity. in a cereal-legume intercropping system, an increase in cereal and a decrease in legume intercrop yield is reported. several indices such as land equivalent ratio (ler), relative crowding coefficient (k), competitive ratio (cr), aggr...

This paper presents a new method of measuring performance when positives are rare and investigates whether Chomsky-like grammar representations are useful for learning accurate comprehensible predic-tors of members of biological sequence families. The positive-only learning framework of the Inductive Logic Programming (ILP) system CPro-gol is used to generate a grammar for recognising a class o...

Suppose individuals get utilities from the total amount of wealth they hold and from their wealth relative to those immediately below them. This paper studies the distribution of wealth that maximizes an additive welfare function made up of these utilities. It interprets wealth distribution in a control theory framework to show that the welfare maximizing distribution may have unexpected proper...

this study investigated the export status of stone fruits in iran during 1997 to 2010.export trends and revealed comparative advantage of indices, namely, revealedcomparative advantage (rca), revealed symmetric comparative advantage (rsca),and relative export advantage (rxa) as well as trade mapping (tm) were investigatedfor cherries, plums, peaches, and apricots. target markets for these produ...