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In important conflicts such as wars and labor-management disputes, people typically rely on the judgment of experts to predict the decisions that will be made. We compared the accuracy of 106 forecasts by experts and 169 forecasts by novices about eight real conflicts. The forecasts of experts...
Persistent link: https://www.econbiz.de/10009439172
The following hypotheses about long-range market forecasting were examined: Hl Objective methods provide more accuracy than do subjective methods. H2 The relative advantage of objective over subjective methods increases as the amount of change in the environment increases. H3 Causal methods...
Persistent link: https://www.econbiz.de/10009439174
Fildes, Hibon, Makridakis and Meade (1998), which will be referred to as FHMM, extends two important published papers. The idea of taking findings from each study and testing them against the data used in the other study is a good one. Such replications and extensions are important in the effort...
Persistent link: https://www.econbiz.de/10009439247
There has been a substantial amount of interest recently in long-range planning. One necessary component of the long-range plan Is the long-range forecast. In contrast to the emphasis on the planning process, however, little attention has been given to forecasting. This study considers the...
Persistent link: https://www.econbiz.de/10009439256
Research over two decades has advanced the knowledge of how to assess predictive validity. We believe this has value to information systems (IS) researchers. To demonstrate, we used a widely cited study of IS spending. In that study, price-adjusted diffusion models were proposed to explain and...
Persistent link: https://www.econbiz.de/10009484503
Rule-Based Forecasting (RBF) is an expert system that uses judgment to develop and apply rules for combining extrapolations. The judgment comes from two sources, forecasting expertise and domain knowledge. Forecasting expertise is based on more than a half century of research. Domain knowledge...
Persistent link: https://www.econbiz.de/10009484509
In important conflicts such as wars and labor-management disputes, people typically rely on the judgment of experts to predict the decisions that will be made. We compared the accuracy of 106 forecasts by experts and 169 forecasts by novices about eight real conflicts. The forecasts of experts...
Persistent link: https://www.econbiz.de/10013133124
Ray Fair is one of my favorite econometricians. He has an excellent website, fairmodel.econ.yale.edu, where he freely shares his models. He writes clearly and his methods are reported in detail. He is concerned with the proper use of econometric methods. For example, he has long been opposed to...
Persistent link: https://www.econbiz.de/10013133125
We conducted laboratory experiments to analyze the accuracy of three structured approaches (nominal groups, Delphi, and prediction markets) compared to traditional face-to-face meetings (FTF). We recruited 227 participants (11 groups per method) that had to solve a quantitative judgment task...
Persistent link: https://www.econbiz.de/10013133857
Parents do not send their children to school to learn how to speak. How then do children learn to speak? The objective becomes obvious to children due to the frustration of being unable to communicate. Learning tasks allow for practice. Feedback is immediate and clear because adults love to help...
Persistent link: https://www.econbiz.de/10013114056