Tonghui Wang

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In traditional statistics, we process crisp data – usually, results of measurements and/or observations. Not all the knowledge comes from measurements and observations. In many real-life situations , in addition to the results of measurements and observations, we have expert estimates, estimates that are often formulated in terms of natural language, like "(More)
In this paper, we propose a natural model describing competition between two research groups of the same average research strength. The analysis of this model enables us to conclude that a more diverse group has an advantage: namely, the more diverse the group, the higher the average quality of its publications.
—To properly gauge the extent of poverty in a country or in a region, economists use semi-heuristic poverty measures such as the Foster-Greer-Thorbecke (FGT) metric. These measures are used because it was empirically shown that they capture the commonsense meaning of the extent of poverty better than previously proposed measures. However, the fact that(More)