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Search-Based Peer Firms: Aggregating Investor Perceptions Through Internet Co-Searches
By: Charles M.C. Lee, Paul Ma and Charles C.Y. Wang
Applying a "co-search" algorithm to Internet traffic at the SEC's EDGAR website, we develop a novel method for identifying economically-related peer firms and for measuring their relative importance. Our results show that firms appearing in chronologically adjacent... View Details
Keywords: Peer Firm; EDGAR Search Traffic; Revealed Preference; Co-search; Industry Classification; Perception; Internet and the Web; Investment
Lee, Charles M.C., Paul Ma, and Charles C.Y. Wang. "Search-Based Peer Firms: Aggregating Investor Perceptions Through Internet Co-Searches." Journal of Financial Economics 116, no. 2 (May 2015): 410–431.
- 2014
- Working Paper
Search-Based Peer Firms: Aggregating Investor Perceptions Through Internet Co-Searches
By: Charles M.C. Lee, Paul Ma and Charles C.Y. Wang
Applying a "co-search" algorithm to Internet traffic at the SEC's EDGAR web-site, we develop a novel method for identifying economically-related peer firms and for measuring their relative importance. Our results show that firms appearing in chronologically adjacent... View Details
Keywords: Peer Firm; EDGAR Search Traffic; Revealed Preference; Co-search; Industry Classification; Analytics and Data Science; Internet and the Web; Mathematical Methods; Corporate Finance
Lee, Charles M.C., Paul Ma, and Charles C.Y. Wang. "Search-Based Peer Firms: Aggregating Investor Perceptions Through Internet Co-Searches." Harvard Business School Working Paper, No. 13-048, November 2012. (Revised September 2013, March 2014, June 2014, July 2014.)
- 2016
- Working Paper
The Search for Peer Firms: When Do Crowds Provide Wisdom?
By: Charles M.C. Lee, Paul Ma and Charles C.Y. Wang
In knowledge-based economies, many business enterprises defy traditional industry boundaries. In this study, we evaluate six "big data" approaches to peer firm identifications and show that some, but not all, "wisdom-of-crowd" techniques perform exceptionally well. We... View Details
Keywords: Peer Firm; EDGAR Co-search; Analyst Co-coverage; Wisdom Of Crowds; Performance Benchmarking; Crowd Of Crowds; Internet and the Web; Accounting
Lee, Charles M.C., Paul Ma, and Charles C.Y. Wang. "The Search for Peer Firms: When Do Crowds Provide Wisdom?" Harvard Business School Working Paper, No. 15-032, October 2014. (Revised November 2016.)
- 15 Jul 2014
- First Look
First Look: July 15
http://www.hbs.edu/faculty/Publication%20Files/13-039%20Nov%202012_612ce7e2-7f81-4eea-9126-3c0964f2be2f.pdf August 2013 Journal of Financial Economics Search-Based Peer Firms: Aggregating Investor Perceptions Through Internet Co-Searches... View Details
Keywords: Carmen Nobel
- 17 Jun 2014
- First Look
First Look: June 17
https://www.hbs.edu/faculty/Pages/download.aspx?name=14-070.pdf Search Based Peer Firms: Aggregating Investor Perceptions Through Internet Co-Searches By: Lee, Charles M.C., Paul Ma, and Charles C.Y. Wang Abstract—Applying a... View Details
Keywords: Sean Silverthorne
- 08 Apr 2014
- First Look
First Look: April 8
travel reservation systems, payment card systems, marketplaces, rebate services, search engine advertising, and various types of brokers and agencies. Download working paper: http://ssrn.com/abstract=2373671 Search Based Peer Firms: Aggregating Investor Perceptions... View Details
Keywords: Sean Silverthorne
- 22 Nov 2016
- First Look
November 22, 2016
crowds can be expected to provide wisdom and show, theoretically and empirically, that their efficacy is related to crowd sophistication and task complexity. Consistent with this framework, we find that a "crowd-of-crowds" approach, which combines View Details
Keywords: Sean Silverthorne