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Strategy

See the latest research, articles and faculty on the Strategy Area of Expertise at Columbia Business School.

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Latest on Strategy

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Strategy Faculty

CBS Faculty Research on Strategy

The Role and Impact of Reviewers on the Marketing Discipline

Authors
Donald Lehmann and Russell Winer
Date
September 1, 2017
Format
Journal Article
Journal
Journal of the Academy of Marketing Science

Since John Lynch’s presidential address at the 1998 annual meeting of the Association for Consumer Research (Lynch 1998), a large number of articles have appeared in the marketing literature pertaining to the review process in our field. Almost every new journal editor makes some statement about the standards and etiquette that reviewers should adopt during his or her editorial regime. For some good examples, see Shugan (2003), Desai (2011), and Kumar (2016). Other useful discussions of the review process also exist (e.g., Holbrook’s 1986 paper with seven suggestions for reviewers).

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Shareholder Activism and Voluntary Disclosure

Authors
Thomas Bourveau and Jordan Schoenfeld
Date
September 1, 2017
Format
Journal Article
Journal
Review of Accounting Studies

We examine the relation between shareholder activism and voluntary disclosure. An important consequence of voluntary disclosure is less adverse selection in the capital markets. One class of traders that finds less adverse selection unprofitable is activist investors who target mispriced firms whose valuations they can improve. Consistent with this idea, we find that managers issue earnings and sales forecasts more frequently when their firm is more at risk of attack by activist investors, and that these additional disclosures reduce the likelihood of becoming an activist's target.

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Adolescents' Perceived Brand Deprivation Stress and Its Implications for Corporate and Consumer Well-Being

Authors
Carmen-Maria Albrecht, Nicola Stokburger-Sauer, David Sprott, and Donald Lehmann
Date
August 1, 2017
Format
Journal Article
Journal
Psychology and Marketing

Stress can impact various aspects of a person's well-being. While some researchers have suggested that consumption-related activities may cause stress, no research has yet explored such stress among vulnerable, younger consumers. To better understand this phenomenon, the concept of adolescents' perceived brand deprivation stress (BDS) is introduced as a state of tension perceived negatively by a young consumer when he or she does not have specific brands from a particular product category.

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Mobile Apps and Financial Decision Making

Authors
Bruce Carlin, Arna Olafsson, and Michaela Pagel
Date
July 1, 2017
Format
Journal Article
Journal
Review of Finance

We exploit the release of a mobile application for a financial aggregation platform to analyze how technology adoption changes consumer financial decision making. The app reduced the cost of accessing personal financial information, and we find that this led to a drop in non-sufficient fund (NSF) fees. Because of the manner in which these fees are incurred, this represents an unambiguous welfare improvement for users of the platform. The leading explanation for this result appears to be mistake avoidance due to easier access to information.

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Policy Intervention in Debt Renegotiation: Evidence from the Home Affordable Modification Program

Authors
Sumit Agarwal, Gene Amromin, Zahi Ben-David, Souphala Chomsisengphet, Tomasz Piskorski, and Amit Seru
Date
June 1, 2017
Format
Journal Article
Journal
Journal of Political Economy

We evaluate the effects of the 2009 Home Affordable Modification Program (HAMP) that provided intermediaries with sizeable financial incentives to renegotiate mortgages. HAMP increased intensity of renegotiations and prevented substantial number of foreclosures but reached just one-third of its targeted indebted households. This shortfall was in large part due to low renegotiation intensity of a few large intermediaries and was driven by intermediary-specific factors.

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Expectations-Based Reference-Dependent Life-Cycle Consumption

Authors
Michaela Pagel
Date
April 1, 2017
Format
Journal Article
Journal
The Review of Economic Studies

This study incorporates a recent preference specification of expectations-based loss aversion, which has been applied broadly in microeconomics, into a classic macro model to offer a unified explanation for three empirical observations about life-cycle consumption. First, loss aversion explains excess smoothness and sensitivity — that is, the empirical observation that consumption responds to income shocks with a lag. Intuitively, such lagged responses allow the agent to delay painful losses in consumption until his expectations have adjusted.

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Bank Resolution and the Structure of Global Banks

Authors
Patrick Bolton
Date
February 7, 2017
Format
Working Paper

We study the efficient resolution of global banks by national regulators. Single-point-of-entry (SPOE) resolution, where loss-absorbing capacity is shared across jurisdictions, is efficient in principle, but may not be implementable. First, when expected transfers across jurisdictions are too asymmetric, national regulators fail to set up an efficient SPOE resolution regime ex ante. Second, when required ex-post transfers across jurisdictions are too large, national regulators ring-fence local banking assets instead of cooperating in a planned SPOE resolution.

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The Carry Trade: Risks and Drawdowns

Authors
Kent Daniel, Robert Hodrick, and Zhongjin Lu
Date
January 1, 2017
Format
Journal Article
Journal
Critical Finance Review

We find important differences in dollar-based and dollar-neutral G10 carry trades. Dollar-neutral trades have positive average returns, are highly negatively skewed, are correlated with risk factors, and exhibit considerable downside risk. In contrast, a diversified dollar-carry portfolio has a higher average excess return, a higher Sharpe ratio, minimal skewness, is unconditionally uncorrelated with standard risk-factors, and exhibits no downside risk.

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Investments and Risk Transfers

Authors
Tim Baldenius and B. Michaeli
Date
Forthcoming
Format
Journal Article

We demonstrate a novel link between relationship-specific investments and risk in a setting where division managers operate under moral hazard and collaborate on joint projects. Specific investments increase efficiency at the margin. This expands the scale of operations and thereby adds to the compensation risk borne by the managers. Accounting for this investment/risk link overturns key findings from prior incomplete contracting studies.

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