Canonical Sectors and Evolution of Firms in the US Stock Markets

20 Mar 2015Lorien X. HaydenRicky ChachraAlexander A. AlemiPaul H. GinspargJames P. Sethna

A classification of companies into sectors of the economy is important for macroeconomic analysis and for investments into the sector-specific financial indices and exchange traded funds (ETFs). Major industrial classification systems and financial indices have historically been based on expert opinion and developed manually... (read more)

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