I’m doing some research in to oil and gas companies and integral to this is establishing the market cap of the company. However I have discovered a discrepancy between the market cap of BHP Billiton listed on the LSE and the company’s market cap on the Australian Stock Exchange. This is not accounted for in currency conversion rates and there is a massive difference. As far as I’m aware the market cap should be consistent across all markets a company is listed on. Please help?
On February 21, 2010, In analysis market, by admin
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This digital document is a journal article from Decision Support Systems, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
Kohonen’s self-organizing map (SOM) network is an unsupervised learning neural network that maps an n-dimensional input data to a lower dimensional output map while maintaining the original topological relations. The extended SOM network further groups the nodes on the output map into a user specified number of clusters. In this research effort, we applied this extended version of SOM networks to a consumer data set from American Telephone and Telegraph Company (AT&T). Results using the AT&T data indicate that the extended SOM network performs better than the two-step procedure that combines factor analysis and K-means cluster analysis in uncovering market segments.
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