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  • September – October 2011
  • Article

The Rise and Consequences of Corporate Sustainability Reporting

By: Ioannis Ioannou and George Serafeim
For many decades the cornerstone of corporate reporting has been financial information that is presented in a company's annual, semi-annual, and quarterly reports. These comprehensive financial reports—required by law for public companies in most countries... View Details
Keywords: Sustainability; ESG Reporting; Governing Rules, Regulations, and Reforms; Annual Reports; Operations; Strategy; Business and Shareholder Relations; Business and Stakeholder Relations; Performance; Business Model; Corporate Social Responsibility and Impact; Corporate Disclosure
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  • Article

The Impact of Corporate Social Responsibility on Investment Recommendations

By: Ioannis Ioannou and George Serafeim
Using a large sample of publicly traded U.S. firms over 16 years, we investigate the impact of corporate socially responsible (CSR) strategies on security analysts' recommendations. Socially responsible firms received more favorable recommendations in recent years... View Details
Keywords: Public Ownership; Corporate Social Responsibility and Impact; Strategy; Experience and Expertise; Value Creation; Public Equity; Markets; Investment; Perception; United States
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  • December 2012
  • Article

What Drives Corporate Social Performance? The Role of Nation-level Institutions

By: Ioannis Ioannou and George Serafeim
Based on Whitley's "National Business Systems" (NBS) institutional framework (Whitley 1997, 1999), we theorize about and empirically investigate the impact of nation-level institutions on firms' corporate social performance (CSP). Using a sample of firms from 42... View Details
Keywords: Environment; Environmental Performance; Corporate Social Responsibility; Sustainability; Institutions; Institutional Theory; Corporate Social Responsibility and Impact; Environmental Sustainability; Corporate Governance
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  • September 2016
  • Article

The Effect of Target Difficulty on Target Completion: The Case of Reducing Carbon Emissions

By: Ioannis Ioannou, Shelley Xin Li and George Serafeim
Targets are an integral component of management control systems and play a significant role in achieving desirable performance outcomes. We focus on a key environmental performance objective—reduction of carbon emissions—as a setting in which to examine how target... View Details
Keywords: Sustainability; Target-setting; Management Accounting; Management Accounting And Control Systems; Control Systems; Sustainable Development; Environment; Goals and Objectives; Climate Change; Management Systems; Accounting; Environmental Sustainability
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  • 2007
  • Other Unpublished Work

Effects of Inventory on Demand for Rentals in the Home Video Market

By: Ioannis Ioannou, Julie Mortimer and Richard Mortimer
Retailer inventory decisions can greatly influence observed demand for a product by affecting, among other things, product availability (stock-outs) and product visibility in the store. These inventory decisions are affected by numerous factors including vertical... View Details
Keywords: Decisions; Demand and Consumers; Supply Chain Management; Competition; Contracts; Entertainment and Recreation Industry; United States
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  • 22 May 2012
  • First Look

First Look: May 22

approach. Finally, we show that the relation is driven by both the social and the environmental dimension of CSR. Download the paper: http://www.hbs.edu/research/pdf/11-130.pdf The Impact of a Corporate Culture of Sustainability on... View Details
Keywords: Sean Silverthorne
  • Article

Channel Integration, Sales Dispersion, and Inventory Management

By: Santiago Gallino, Antonio Moreno and Ioannis Stamatopoulos
We study the effects of the introduction of cross-channel functionalities on the overall sales dispersion of retailers and the implications of these effects for inventory management. To do that, we analyze data from a leading U.S. retailer who introduced a... View Details
Keywords: Retail Operations; Online Retail; Channel Integration; Sales Dispersion; Long Tail; Empirical Operations; Inventory Management; Omnichannel Retail; Marketing Channels; Integration; Sales; Logistics; Operations; Management; Retail Industry
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  • 2008
  • Working Paper

On Best-Response Bidding in GSP Auctions

By: Matthew Cary, Aparna Das, Benjamin Edelman, Ioannis Giotis, Kurtis Heimerl, Anna R. Karlin, Claire Mathieu and Michael Schwarz
How should players bid in keyword auctions such as those used by Google, Yahoo! and MSN? We model ad auctions as a dynamic game of incomplete information, so we can study the convergence and robustness properties of various strategies. In particular, we consider... View Details
Keywords: Online Advertising; Auctions; Bids and Bidding; Game Theory; Mathematical Methods; Competitive Strategy
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  • 12 Oct 2011
  • First Look

First Look: October 12

income between two organizations in similar businesses. It can be measured by the "Four Rs" of referrals and retention of employees, returns to labor, and relationships with customers that foster customer referrals and... View Details
Keywords: Sean Silverthorne
  • 05 Feb 2008
  • First Look

First Look: February 5, 2008

  Working PapersOn Best-Response Bidding in GSP Auctions Authors:Matthew Cary, Aparna Das, Benjamin Edelman, Ioannis Giotis, Kurtis Heimerl, Anna R. Karlin, Claire Mathieu, and Michael Schwarz Abstract How should players bid in keyword... View Details
Keywords: Martha Lagace
  • January 2021
  • Article

The Effects of Menu Costs on Retail Performance: Evidence from Adoption of the Electronic Shelf Label Technology

By: Ioannis Stamatopoulos, Achal Bassamboo and Antonio Moreno
We use the adoption of electronic shelf labels (ESLs) by an international grocery retailer in 2015 to identify the effects of physical menu costs (i.e., labor and material costs of price adjustment) on retail performance. We find that the installation of ESLs increased... View Details
Keywords: Retail Operations; Dynamic Pricing; Revenue Management; Operations; Price; Revenue; Management; Retail Industry
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  • 07 Dec 2010
  • First Look

First Look: Dec. 7

Drivers of Corporate Sustainability and Implications for Capital Markets: An International Perspective Authors:Ioannis Ioannou and George Serafeim Publication:In The Landscape of Integrated Reporting, edited View Details
Keywords: Sean Silverthorne
  • 14 Sep 2010
  • First Look

First Look: September 14, 2010

Evidence from Social, Environmental and Governance Scores Authors:Ioannis Ioannou and George Serafeim Abstract We investigate the institutional drivers of Corporate Social Performance (CSP) by focusing on... View Details
Keywords: Sean Silverthorne
  • July 2014
  • Article

Convergence of Position Auctions under Myopic Best-Response Dynamics

By: Matthew Cary, Aparna Das, Benjamin Edelman, Ioannis Giotis, Kurtis Heimerl, Anna Karlin, Scott Duke Kominers, Claire Mathieu and Michael Schwarz
We study the dynamics of multi-round position auctions, considering both the case of exogenous click-through rates and the case in which click-through rates are determined by an endogenous consumer search process. In both contexts, we demonstrate that the dynamic... View Details
Keywords: Sponsored Search; Advertising; Google; Equilibrium Selection; Online Advertising; Advertising Industry
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  • July 2015
  • Article

The Impact of Corporate Social Responsibility on Investment Recommendations: Analysts' Perceptions and Shifting Institutional Logics

By: Ioannis Ioannou and George Serafeim
We explore the impact of corporate social responsibility (CSR) ratings on sell-side analysts' assessments of firms' future financial performance. We suggest that when analysts perceive CSR as an agency cost, due to the prevalence of an agency logic, they produce... View Details
Keywords: Corporate Social Responsibility; Analysts; Investment Recommendations; Sustainability; Institutional Logics; Environment; Corporate Social Responsibility and Impact; Investment; Corporate Governance; United States
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  • 2010
  • Chapter

Drivers of Corporate Sustainability and Implications for Capital Markets: An International Perspective

By: Ioannis Ioannou and George Serafeim
Keywords: Capital Markets; International Finance
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  • 19 Sep 2017
  • First Look

First Look at New Research and Ideas, September 19

September 2017 Management Science Channel Integration, Sales Dispersion, and Inventory Management By: Gallino, Santiago, Antonio Moreno, and Ioannis Stamatopoulos Abstract—We study the effects of the introduction of cross-channel... View Details
Keywords: Sean Silverthorne
  • 29 Mar 2011
  • First Look

First Look: March 29

unsolicited gifts will be equally appreciated. At the root of this dilemma is a difference of opinion about what purchasing an unsolicited gift signals: gift givers expect unsolicited gifts will be considered more thoughtful and considerate View Details
Keywords: Sean Silverthorne
  • 04 Dec 2012
  • First Look

First Look: December 4

  PublicationsWhen Does a Platform Create Value by Limiting Choice? Authors:Ramon Casadesus-Masanell and Hanna Hałaburda Publication:Journal of Economics & Management Strategy (forthcoming) Abstract We present a theory for why it... View Details
Keywords: Carmen Nobel
  • March – April 2011
  • Article

Sustainability and Capital Markets: How Firms Can Manage the Crucial Link

By: Ioannis Ioannou and George Serafeim
Keywords: Sustainability; Capital; Markets
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