in recent years, artificial neural networks (anns) have become one of the most promising tools in order to model complex hydrological processes such as the rainfall-runoff process. in many studies, anns have demonstrated superior results compared to alternative methods. anns are able to map underlying relationship between input and output data without prior understanding of the process under in...

This paper argues that Levi’s account of preference reversals is only a limited success. Levisucceeds in showing that an agent acting in accord with his theory may exhibit reversals.Nevertheless, the specific account that Levi presents in order to accommodate the behaviorof experimental subjects appears to be disconfirmed by available evidence. BIOGRAPHICAL NOTEErik Angner i...

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Dementia is an increasing problem for an aging population, with a lack of available treatment options, as well as expensive patient care. Early detection is critical to eventually postpone symptoms and to prepare health care providers and families for managing a patient’s needs. Identification of diagnostic markers may be possible with patients’ clinical records. Text portions of clinical recor...

This paper presents and discusses findings from a study where the use of enterprise modeling has been empirically investigated in eight combined process change and information technology initiatives. Artifacts, guidelines and tools used in enterprise modeling practice are identified. We identify three types of barriers to enterprise modeling: Challenges, Resistance and Moderators. We compare th...

What are the determinants of consumer choice over payment mechanisms? The answer to this question is important for a variety of reasons. Every government has the responsibility of supporting an efficient and effective payment system. Doing so is an explicit mandate of the Federal Reserve Bank in the United States. In addition, nothing is more central to private sector commerce than collecting p...

Recent financial research has provided evidence on the predictability of asset returns. In this paper we consider the results contained in Pesaran-Timmerman(1995), which provided evidence on predictability over the sample 1959-1992. We show that the extension of the sample to the nineties weakens considerably the statistical and economic significance of the predictability of stock returns based...