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Adiel Statman, Liat Rozenberg and Dan Feldman
The k-means problem is to compute a set of k centers (points) that minimizes the sum of squared distances to a given set of n points in a metric space. Arguably, the most common algorithm to solve it is k-means++ which is easy to implement and provides a...
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Fernando Nascimento de Oliveira,Eduardo Lana de Paula
Pág. 439 - 463
This paper has the objective of determining the number of stocks that diversify a portfólio of Bovespa stocks of home brokers investors. We find the number of stocks that diversifies the portfólio by equalizing the benefit with the cost of including one ...
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Wlademir Ribeiro Prates,André Alves Portela Santos,Newton Carneiro Affonso da Costa Jr.
Pág. 351?383
Finance literature has shown evidence of a positive relationship between trading volume and stock returns. This relationship can be explained by the concept of overconfidence within the behavioral finance literature, which postulates that when positive r...
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