In this article we investigate the statistical properties of wholesale electricity spot and futures prices traded on the New York Mercantile Exchange for delivery at the California–Oregon Border. Using daily data for the years 1998 and 1999, we find that many of the characteristics of the electricity market can be viewed to be broadly consistent with efficient markets. The futures risk premium ...

Resource constraints, improved availability and quality of information, and increasing public awareness are all contributing to severe difficulties in arriving at acceptable decisions in such areas of public policy as choice of energy technologies, environmental management and transport planning. The paper describes a European research project called STEEDS (Strategic Transport Energy Environme...

This paper describes a classifier that assigns semantic thesaurus categories to unknown Chinese words (words not already in the CiLin thesaurus and the Chinese Electronic Dictionary, but in the Sinica Corpus). The focus of the paper differs in two ways from previous research in this particular area. Prior research in Chinese unknown words mostly focused on proper nouns (Lee 1993, Lee, Lee and C...

Health planners commonly use geographic proximity to define access to health services. However, effective access to case management requires reliable access to a trained, supplied provider. We defined effective access as the proportion of the study population with geographic access, corrected for other barriers, staffing patterns, and medicine availability. We measured effective access through ...

Electricity spot prices are highly volatile under optimal generation capacity scenarios due to factors such as nonstorability of electricity, peak demand at certain periods, generator outages, fuel uncertainty for renewable energy generators, huge investments and time needed for generation capacity expansion etc. As a result market participants are exposed to price and volume risk, which has le...

While our field has done commendable work putting forward new ideas in operations strategy, we have historically done a less effective job validating concepts after their introduction. Given this issue, we attempted to test and extend one of the most influential OM configurations — Miller and Roth’s [Management Science 40 (1994) 285] taxonomy of manufacturing strategies. Their taxonomy was long...

Knowledge management plays a very important role in business operation, especially in the efficient exploitation of information or knowledge resources through technology. Technology provides the basic tools for implementing and improving the efficiency of knowledge management activities within an enterprise. To understand the relative influence of various factors in improving knowledge manageme...

Knowledge management systems provide opportunities for organizations to obtain and manipulate their knowledge in order to impact their strategic initiatives. As these systems become more prevalent within organizational structures, the benefits of KM systems can be enhanced by reviewing the impact of organizational culture, organizational leadership, and organizational infrastructure components ...