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- April 2021
- Case
The Clean Network and the Future of Global Technology Competition
By: Meg Rithmire and Courtney Han
In May 2019, amidst of an ever-worsening trade war between the U.S. and China, President Donald Trump added Chinese telecom giant Huawei to the Department of Commerce’s “entity list,” essentially forbidding American firms from doing business with the company. Huawei,...
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Keywords:
5G;
Telecommunications;
Information Technology;
Internet and the Web;
Mobile and Wireless Technology;
Trade;
Competition;
International Relations;
Telecommunications Industry;
China
Rithmire, Meg, and Courtney Han. "The Clean Network and the Future of Global Technology Competition." Harvard Business School Case 721-045, April 2021.
- January 2021 (Revised October 2021)
- Case
eToro: Building the World's Largest Social Trading Network
By: Elie Ofek and Danielle Golan
Social trading platform eToro was preparing for the launch of its expanded offering in the U.S. The company faced critical decisions regarding product-market fit, go-to-market strategy, positioning and monetization. Moreover, it faced the challenge of how best to make...
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Keywords:
Social Trading Platform;
Investment;
Social and Collaborative Networks;
Marketing Strategy;
Expansion
Ofek, Elie, and Danielle Golan. "eToro: Building the World's Largest Social Trading Network." Harvard Business School Case 521-057, January 2021. (Revised October 2021.)
- January 2021
- Article
Chain Stability in Trading Networks
By: John William Hatfield, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky and Alexander Westkamp
We show that in general trading networks with bilateral contracts, a suitably adapted chain stability concept (Ostrovsky, 2008) is equivalent to stability (Hatfield and Kominers, 2012; Hatfield et al., 2013) if all agents' preferences are fully substitutable and...
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Keywords:
Matching;
Trading Networks;
Chain Stability;
Stability;
Competitive Equilibria;
Full Substitutability;
Laws Of Aggregate Supply And Demand;
Contracts;
Market Design;
Balance and Stability
Hatfield, John William, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky, and Alexander Westkamp. "Chain Stability in Trading Networks." Theoretical Economics 16, no. 1 (January 2021): 197–234.
- Summer 2020
- Article
Is It Time to Rethink Globalized Supply Chains?: The COVID-19 Pandemic Should Be a Wake-up Call for Managers and Prompt Them to Consider Actions That Will Improve Their Resilience to Future Shocks
By: Willy C. Shih
The COVID-19 pandemic has exposed the complex interdependencies of globalized supply chains. While these global multistage production networks had spread during a relatively benign environment of falling trade barriers and increasing interdependencies among countries,...
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Keywords:
Supply Chains;
Pandemic;
Resilience;
Supply Chain Management;
Supply Chain;
Global Range;
Health Pandemics;
Disruption;
System Shocks;
Crisis Management;
Manufacturing Industry;
United States;
Asia;
Europe;
China
Shih, Willy C. "Is It Time to Rethink Globalized Supply Chains? The COVID-19 Pandemic Should Be a Wake-up Call for Managers and Prompt Them to Consider Actions That Will Improve Their Resilience to Future Shocks." MIT Sloan Management Review 61, no. 4 (Summer 2020): 16–18.
- January 2020
- Case
SK Group: Social Progress Credits
By: George Serafeim, Ethan Rouen and David Freiberg
SK Group was one of the largest companies South Korea. A family-run conglomerate consisting of around 120 subsidiaries and employing more than 100,000, SK was tightly knit into the fabric of Korean society. SK viewed their future success as contingent upon the strength...
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Keywords:
Impact;
Impact Investing;
Impact Measurement;
Social Value;
Social Development;
Conglomerates;
Measurement Of Purpose;
ESG;
ESG (Environmental, Social, Governance) Performance;
Capital Markets;
Innovation;
Environmental Impact;
Collaboration;
Social Enterprise;
Social and Collaborative Networks;
Social Issues;
Measurement and Metrics;
Value Creation;
Cooperation;
Environmental Sustainability;
Employment;
Accounting;
Energy Industry;
Telecommunications Industry;
Chemical Industry;
South Korea
Serafeim, George, Ethan Rouen, and David Freiberg. "SK Group: Social Progress Credits." Harvard Business School Case 120-071, January 2020.
- November 2019
- Article
The Relevance of Broker Networks for Information Diffusion in the Stock Market
By: Marco Di Maggio, Francesco Franzoni, Amir Kermani and Carlo Sommavilla
This paper shows that the network of relationships between brokers and institutional investors shapes information diffusion in the stock market. We exploit trade-level data to show that central brokers gather information by executing informed trades, which is then...
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Keywords:
Broker Networks;
Institutional Investors;
Asset Prices;
Business and Shareholder Relations;
Institutional Investing;
Information;
Knowledge Dissemination;
Financial Markets;
Asset Pricing
Di Maggio, Marco, Francesco Franzoni, Amir Kermani, and Carlo Sommavilla. "The Relevance of Broker Networks for Information Diffusion in the Stock Market." Journal of Financial Economics 134, no. 2 (November 2019): 419–446.
- 2019
- Chapter
The Republic of Turkey
By: Kristin Fabbe
Situated between Europe and Asia, Turkey occupies a critical geostrategic position in the world. This unique geography, no doubt, has much to do with the complexities and continuities that have characterized the country’s political development. Turkey is anchored to...
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Fabbe, Kristin. "The Republic of Turkey." Chap. 14 in Government and Politics of the Middle East and North Africa: Development, Democracy, and Dictatorship. 9th ed. Edited by Sean Yom. New York: Routledge, 2019.
- August 2019
- Case
Huawei and the U.S.-China Trade War
By: Elie Ofek and John Masko
In 2019, Chinese smartphone maker and telecommunications empire Huawei was preparing to launch its new flagship smartphone series, the Mate 30. After years of explosive growth, the previous 18 months had been a challenge for the company. In early 2018, Huawei’s planned...
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Keywords:
Trade;
Global Strategy;
International Relations;
National Security;
Mobile and Wireless Technology;
Information Infrastructure;
Volatility;
Adaptation;
Telecommunications Industry;
China;
United States;
European Union
Ofek, Elie, and John Masko. "Huawei and the U.S.-China Trade War." Harvard Business School Case 520-017, August 2019.
- 2021
- Working Paper
The Value of Intermediation in the Stock Market
By: Marco Di Maggio, Mark Egan and Francesco Franzoni
We estimate a structural model of broker choice to quantitatively decompose the value that institutional investors attach to broker services. Studying over 300 million institutional equity trades, we find that investors are sensitive to both explicit and implicit...
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Keywords:
Financial Intermediation;
Institutional Investors;
Research Analysts;
Broker Networks;
Equity Trading;
Institutional Investing;
Financial Services Industry
Di Maggio, Marco, Mark Egan, and Francesco Franzoni. "The Value of Intermediation in the Stock Market." Harvard Business School Working Paper, No. 20-016, August 2019. (Revised June 2021. Accepted at the Journal of Financial Economics.)
- 2018
- Working Paper
OTC Intermediaries
By: Andrea L. Eisfeldt, Bernard Herskovic, Sriram Rajan and Emil Siriwardane
Over-the-counter (OTC) markets for financial assets are dominated by a relatively small number of core intermediaries and a large number of peripheral customers. In this paper, we develop a model of trade in a core-periphery network and estimate its key structural...
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Keywords:
OTC Markets;
Intermediaries;
Dealers;
Credit Default Swaps;
Risk Sharing;
Networks;
Price;
Risk and Uncertainty
Eisfeldt, Andrea L., Bernard Herskovic, Sriram Rajan, and Emil Siriwardane. "OTC Intermediaries." Working Paper, August 2018.
- April 2018 (Revised July 2018)
- Case
Maersk: Betting on Blockchain
By: Rajiv Lal and Scott Johnson
In March 2018, international shipping giant Maersk is getting ready to debut a trade digitization platform. Maersk hopes the platform will help streamline global trade since shipping goods internationally is an extraordinarily complicated and inefficient process....
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Keywords:
Maersk;
IBM;
Blockchain;
Shipping;
Shipping Line;
Trade;
Bitcoin;
Digitization;
Container Shipping;
Joint Ventures;
Ship Transportation;
Transportation Networks;
Digital Platforms;
Information Technology;
Technology Adoption;
Applications and Software;
Shipping Industry;
Technology Industry
Lal, Rajiv, and Scott Johnson. "Maersk: Betting on Blockchain." Harvard Business School Case 518-089, April 2018. (Revised July 2018.)
- February 2018
- Article
Heterogeneous Technology Diffusion and Ricardian Trade Patterns
By: William R. Kerr
This study tests the importance of Ricardian technology differences for international trade. The empirical analysis has three comparative advantages: including emerging and advanced economies, isolating panel variation regarding the link between productivity and...
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Keywords:
Exports;
Comparative Advantage;
Technological Transfer;
Innovation;
Networks;
Patents;
Residency;
Technology Adoption;
Trade;
Research and Development;
Immigration;
United States
Kerr, William R. "Heterogeneous Technology Diffusion and Ricardian Trade Patterns." World Bank Economic Review 32, no. 1 (February 2018): 163–182.
- October 2017
- Supplement
Maggie Wilderotter: The Evolution of an Executive: Video Supplement
By: Boris Groysberg, Sarah L. Abbott and Robin Abrahams
In a career that spanned over 30 years, Maggie Wilderotter served as CEO of two publicly traded companies and served on 32 corporate and nine association and non-profit boards of directors. The case looks at the progression of Wilderotter’s career; the decisions she...
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Keywords:
Leadership;
Managing People;
Networks;
Strategy And Leadership;
Personal Development and Career;
Personal Characteristics;
Leadership Style;
Social and Collaborative Networks;
Gender;
Power and Influence;
Telecommunications Industry;
United States
Groysberg, Boris, Sarah L. Abbott, and Robin Abrahams. "Maggie Wilderotter: The Evolution of an Executive: Video Supplement." Harvard Business School Multimedia/Video Supplement 418-702, October 2017.
- June 2017
- Case
Maggie Wilderotter: The Evolution of an Executive
By: Boris Groysberg, Sarah L. Abbott and Robin Abrahams
In a career that spanned over 30 years, Maggie Wilderotter served as CEO of two publicly traded companies and served on 32 corporate and 9 association and nonprofit boards of directors. As CEO of Frontier Communications, a U.S. telecom company with over $25 billion in...
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Keywords:
Leadership;
Managing People;
Networks;
Strategy And Leadership;
Personal Development and Career;
Personal Characteristics;
Leadership Style;
Social and Collaborative Networks;
Gender;
Power and Influence;
Telecommunications Industry;
United States
Groysberg, Boris, Sarah L. Abbott, and Robin Abrahams. "Maggie Wilderotter: The Evolution of an Executive." Harvard Business School Case 417-091, June 2017.
- Article
The Value of Trading Relations in Turbulent Times
By: Marco Di Maggio, Amir Kermani and Zhaogang Song
This paper investigates how dealers’ trading relations shape their trading behavior in the corporate bond market. Dealers charge lower spreads to dealers with whom they have the strongest ties and more so during periods of market turmoil. Systemically important dealers...
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Keywords:
OTC Markets;
Network;
Corporate Bonds;
Crisis;
Intermediation Chains;
Leaning Against The Wind;
Networks;
Bonds;
Behavior;
Financial Crisis
Di Maggio, Marco, Amir Kermani, and Zhaogang Song. "The Value of Trading Relations in Turbulent Times." Journal of Financial Economics 124, no. 2 (May 2017): 266–284.
- February 2017
- Article
Resident Networks and Corporate Connections: Evidence from World War II Internment Camps
By: Lauren Cohen, Umit Gurun and Christopher J. Malloy
We demonstrate that simply by using the ethnic makeup surrounding a firm’s location, we can predict, on average, which trade links are valuable for firms. Using customs and port authority data on the international shipments of all U.S. publicly traded firms, we show...
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Keywords:
Information Networks;
Trade Links;
Firm Behavior;
Networks;
Geographic Location;
Ethnicity;
Organizations;
Trade
Cohen, Lauren, Umit Gurun, and Christopher J. Malloy. "Resident Networks and Corporate Connections: Evidence from World War II Internment Camps." Journal of Finance 72, no. 1 (February 2017): 207–248. (Winner of First Prize, the Inaugural Hakan Orbay Research Award, 2015.)
- 2016
- Case
Africa Strategy of China Nonferrous Metal Mining Group
By: F. Warren McFarlan, Jie Jiao, Dayong Yang and Shanshan Cao
Founded in 1983, China Nonferrous Metal Mining (Group) Co., Ltd. ("CNMC") is one of the earliest and largest global Chinese nonferrous metal industrial enterprises. It has investments and projects in 27 countries and trade networks in nearly 100 countries with a...
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Keywords:
Cross-cultural Management;
Global Strategy;
Globalization;
International Business;
Strategy Management;
Africa;
China
McFarlan, F. Warren, Jie Jiao, Dayong Yang, and Shanshan Cao. "Africa Strategy of China Nonferrous Metal Mining Group." Tsinghua University Case, 2016.
- 2015
- Working Paper
Collateral Shortages and Intermediation Networks
By: Marco Di Maggio and Alireza Tahbaz-Salehi
This paper argues that in the presence of trading frictions and agency problems, the interbank market may be overly fragile, in the sense that small changes in the liquidity of assets used as collateral may lead to large swings in haircuts and a potential credit...
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- 2016
- Working Paper
Through the Grapevine: Network Effects on the Design of Executive Compensation Contracts
By: Susanna Gallani
Effective design of executive compensation contracts involves choosing and weighting performance measures, as well as defining the mix between fixed and incentive-based pay components, with a view to fostering talent retention and goal congruence. The variability in...
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Keywords:
Compensation Design;
Board Interlocks;
Compensation Consultants;
Network Centrality;
Homophily;
Quadratic Assignment Procedure;
Blockholders;
Executive Compensation
Gallani, Susanna. "Through the Grapevine: Network Effects on the Design of Executive Compensation Contracts." Harvard Business School Working Paper, No. 16-019, August 2015. (Revised December, 2016.)