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  • August 2009
  • Article

Rewriting History

By: Alexander Ljungqvist, Christopher J. Malloy and Felicia Marston
We document widespread ex post changes to the historical contents of the I/B/E/S analyst stock recommendations database. Across a sequence of seven downloads of the entire I/B/E/S recommendations database, obtained between 2000 and 2007, we find that between 6,594... View Details
Keywords: Competency and Skills; Stocks; Profit; Market Transactions; Reputation; Financial Services Industry
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  • 2008
  • Working Paper

Rewriting History

By: Alexander Ljungqvist, Christopher J. Malloy and Felicia Marston
We document widespread ex post changes to the historical contents of the I/B/E/S analyst stock recommendations database. Across a sequence of seven downloads of the entire I/B/E/S recommendations database, obtained between 2000 and 2007, we find that between 6,594... View Details
Keywords: Competency and Skills; Stocks; Profit; Market Transactions; Reputation; Financial Services Industry
Related
  • 24 Apr 2008
  • Working Paper Summaries

Bank Accounting Standards in Mexico: A Layman’s Guide to Changes 10 Years after the 1995 Bank Crisis

Keywords: by Gustavo A. Del Angel, Stephen Haber & Aldo Musacchio; Banking
  • February 2018 (Revised June 2021)
  • Case

New Constructs: Disrupting Fundamental Analysis with Robo-Analysts

By: Charles C.Y. Wang and Kyle Thomas
This case highlights the business challenges associated with a financial technology firm, New Constructs, that created a technology that can quickly parse complicated public firm financials to paint a clearer economic picture of firms, remove accounting distortions,... View Details
Keywords: Fundamental Analysis; Machine Learning; Robo-analysts; Financial Statements; Financial Reporting; Analysis; Information Technology; Accounting Industry; Accounting Industry; Accounting Industry; North America; Tennessee
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  • March–April 2023
  • Article

Pricing for Heterogeneous Products: Analytics for Ticket Reselling

By: Michael Alley, Max Biggs, Rim Hariss, Charles Herrmann, Michael Lingzhi Li and Georgia Perakis
Problem definition: We present a data-driven study of the secondary ticket market. In particular, we are primarily concerned with accurately estimating price sensitivity for listed tickets. In this setting, there are many issues including endogeneity, heterogeneity in... View Details
Keywords: Price; Demand and Consumers; AI and Machine Learning; Investment Return; Entertainment and Recreation Industry; Entertainment and Recreation Industry
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  • January 2001
  • Background Note

Country Analysis in a "Global Village"

By: Bruce R. Scott
Substantially rewritten to establish the relevance of countries in the global context. It does so in terms of their differing economic performance in recent decades, and also by contrasting those that have "converged" toward the rich country norm (as theory would... View Details
Keywords: Globalized Economies and Regions; Macroeconomics; Trade; Business Strategy; Performance Evaluation; Industry Growth; Currency; Policy; Development Economics
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  • January 2015 (Revised August 2016)
  • Case

Chateau Pontet-Canet

By: Daniel Malter
This case discusses the situation of Chateau Pontet-Canet in early 2000. Alfred Tesseron was the director and son of the owner of Chateau Pontet-Canet, a red wine producing estate in Pauillac (Bordeaux, France) and member of the fifth class of the ancient grand cru... View Details
Keywords: Plant-Based Agribusiness; Alignment; Strategy; Competition; Food and Beverage Industry; France
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  • 2017
  • Working Paper

The Need for Speed: Effects of Uncertainty Reduction in Patenting

By: Mike Horia Teodorescu
Patents are essential in commerce to establish property rights for ideas and to give equal protection to firms that develop new technologies. Young firms especially depend on the protection of intellectual property to bring a product from concept to market. However,... View Details
Keywords: Startups; Natural Language Processing; Machine Learning; Patents; Business Startups; Risk and Uncertainty; Outcome or Result; Green Technology Industry
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  • 2024
  • Article

Beyond the 510(k): The Regulation of Novel Moderate-Risk Medical Devices, Intellectual Property Considerations, and Innovation Incentives in the FDA’s De Novo Pathway

By: Mateo Aboy, Cristina Crespo and Ariel Stern
Moderate-risk medical devices constitute 99% of those that have been regulated by the U.S. Food and Drug Administration (FDA) since it gained authority to regulate medical technology nearly five decades ago. This article presents an analysis of the interaction between... View Details
Keywords: Governing Rules, Regulations, and Reforms; Health Care and Treatment; Technology Adoption; Technological Innovation; Safety; Medical Devices and Supplies Industry; United States
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  • 17 Jun 2014
  • First Look

First Look: June 17

dominate GICS6 industry peers in explaining cross-sectional variations in base firms' out-of-sample (a) stock returns, (b) valuation multiples, (c) growth rates, (d) R&D expenditures, (e) leverage, and (f) profitability ratios. We... View Details
Keywords: Sean Silverthorne
  • 11 Apr 2023
  • Research & Ideas

Is Amazon a Retailer, a Tech Firm, or a Media Company? How AI Can Help Investors Decide

companies. Portfolio managers and analysts have been using the Global Industry Classification Standard, or GICS—a taxonomy of 11 sectors, 25 industry groups, and additional... View Details
Keywords: by Danielle Kost; Consumer Products; Real Estate; Financial Services; Retail
  • Fast Answer

Target List: screen for companies by industry, location, and size

industry.  Select Industry Classification to limit to particular SIC, NAICS, or NACE codes.  Or, select Activity text search to search business descriptions using keywords. Click OK after... View Details
  • Web

Leadership Initiative - Leadership

businesses such as Thomson Reuters Indices, Classifications and Expert Polling. Sunand holds an M.Sc and B.Sc in Chemical Engineering from Delft University in the Netherlands, and an M.B.A. from the Harvard Business School. Research Our... View Details
  • 27 Feb 2019
  • Research & Ideas

The Hidden Cost of a Product Recall

Evidence from Medical Device Firms, released in January. Bigger recalls, bigger reactions Using 13 years of US Food and Drug Administration data and a novel set of competitor classification algorithms, the team created a detailed history... View Details
Keywords: by Danielle Kost; Manufacturing; Consumer Products; Auto; Medical Devices & Supplies
  • 15 Jul 2014
  • First Look

First Look: July 15

and (f) profitability ratios. We show that SBPs are not constrained by standard industry classification and are more dynamic, pliable, and concentrated. We also show that co-search intensity captures the... View Details
Keywords: Carmen Nobel
  • 17 Aug 2021
  • Op-Ed

Dispensing Justice: The Case for Legalizing Cannabis Nationally

of the harm caused to mostly young people of color during the “war on drugs.” The proposal has also been lauded for reflecting public sentiment in removing cannabis’s classification as a Schedule I drug. "The legal cannabis View Details
Keywords: by Ashish Nanda and Tabatha Robinson
  • 03 Feb 2015
  • First Look

First Look: February 3

field and other business fields complements the contributions from industrial organization economics (IO). These business fields also offer theoretical and empirical challenges to the IO paradigm, which dominates antitrust analysis. The... View Details
Keywords: Sean Silverthorne
  • 12 Jun 2018
  • Research & Ideas

In a Landscape of 'Me Too' Drug Development, What Spurs Radical Innovation?

ubingruo New research finds that large pharmaceutical companies, typically conservative in their pursuit of novel drug development, are more willing to undertake radical innovation after receiving an unexpected cash windfall. The pharmaceutical View Details
Keywords: by Rachel Layne; Health; Pharmaceutical
  • Web

Natalie Margulies | MBA

Natalie Margulies COMPUTER SCIENCE/STATISTICS CURRIER 2021 Cohort 2 We cannot change what we are not aware of, and once we are aware, we cannot help but change. - Sheryl Sandberg Tech areas of interest Data Analytics, Data Privacy, Algorithm View Details
  • Fast Answer

Patent search: Cortellis

How can I begin a patent search in Cortellis and can I search by therapeutic areas, e.g.? Cortellis for Competitive Intelligence combines a collection of pharmaceutical industry data and life science related content into a single platform... View Details