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Show Results For
- All HBS Web
(3,098)
- People (13)
- News (791)
- Research (1,893)
- Events (16)
- Multimedia (13)
- Faculty Publications (1,218)
- December 2021
- Article
Trade Policy Uncertainty and Stock Returns
By: Marcelo Bianconi, Federico Esposito and Marco Sammon
A recent literature has documented large real effects of trade policy uncertainty (TPU) on trade, employment, and investment, but there is little evidence that investors are compensated for bearing such risk. To quantify the risk premium associated with TPU, we exploit... View Details
Keywords: Trade Policy; Uncertainty; Stock Returns; Risk Premium; Tariff Rates; Portfolio Analysis; Trade; Policy; Risk and Uncertainty; Stocks; Investment Return
Bianconi, Marcelo, Federico Esposito, and Marco Sammon. "Trade Policy Uncertainty and Stock Returns." Art. 102492. Journal of International Money and Finance 119 (December 2021).
- Research Summary
International Trade
Economists believe that there is substantial “missing trade” due to trade barriers, such as tariffs and transport costs, that constrain the global activities of firms. Professor Steinwender goes a step farther by studying indirect trade barriers, notably information... View Details
- 2014
- Working Paper
Poverty and Crime: Evidence from Rainfall and Trade Shocks in India
By: Lakshmi Iyer and Petia Topalova
Does poverty lead to crime? We shed light on this question using two independent and exogenous shocks to household income in rural India: the dramatic reduction in import tariffs in the early 1990s and rainfall variations. We find that trade shocks, previously shown to... View Details
Keywords: Rainfall; Weather; Crime; Trade Liberalization; India; Crime and Corruption; Poverty; India
Iyer, Lakshmi, and Petia Topalova. "Poverty and Crime: Evidence from Rainfall and Trade Shocks in India." Harvard Business School Working Paper, No. 14-067, April 2014. (Revised August 2014.)
- 06 Apr 2018
- News
Trade War or a War of Words?
- July 2005
- Exercise
Insider Trading Quiz
By: Lynn S. Paine and Christopher Bruner
Designed to test understanding of basic theories of insider trading under U.S. law. Presents six scenarios based on actual situations in which insider trading was alleged to have violated U.S. law, as well as a seventh scenario that took place in Italy, permitting... View Details
Keywords: Crime and Corruption; Stock Shares; Governing Rules, Regulations, and Reforms; Law; Theory; Europe; Italy; United States
Paine, Lynn S., and Christopher Bruner. "Insider Trading Quiz." Harvard Business School Exercise 306-016, July 2005.
- 2019
- Article
Time Series Experiments and Causal Estimands: Exact Randomization Tests and Trading
By: Iavor I Bojinov and Neil Shephard
We define causal estimands for experiments on single time series, extending the potential outcome framework to dealing with temporal data. Our approach allows the estimation of a broad class of these estimands and exact randomization based p-values for testing causal... View Details
Bojinov, Iavor I., and Neil Shephard. "Time Series Experiments and Causal Estimands: Exact Randomization Tests and Trading." Journal of the American Statistical Association 114, no. 528 (2019): 1665–1682.
- 2025
- Working Paper
Exports in Disguise? Trade Rerouting During the U.S.-China Trade War
By: Ebehi Iyoha, Edmund Malesky, Jaya Wen and Sung-Ju Wu
This paper introduces a new measure of tariff evasion through rerouting and applies it to the
2018 U.S.–China trade war, focusing on Vietnam as a transit country. We use transaction-level trade data and define rerouting as the flow of a granular eight-digit Harmonized... View Details
Iyoha, Ebehi, Edmund Malesky, Jaya Wen, and Sung-Ju Wu. "Exports in Disguise? Trade Rerouting During the U.S.-China Trade War." Harvard Business School Working Paper, No. 24-072, May 2024. (Revised March 2025.)
- April 1995 (Revised August 1995)
- Case
World Trade Organization, The: Toward Free Trade or World Bureaucracy?
By: George C. Lodge and Jack High
In January 1995, the General Agreement on Tariffs and Trade (GATT) evolved into the World Trade Organization (WTO), which faced the task of implementing the recently approved Uruguay Round of international trade agreements. This case describes the development of GATT,... View Details
Keywords: Trade; Agreements and Arrangements; Negotiation Process; Business and Government Relations
Lodge, George C., and Jack High. "World Trade Organization, The: Toward Free Trade or World Bureaucracy?" Harvard Business School Case 795-149, April 1995. (Revised August 1995.)
- April 2011
- Module Note
Financing International Trade
By: C. Fritz Foley
This module note summarizes the key insights covered in the Financing International Trade module of the International Financial Management course. It also provides a framework that guides decisions about which financing terms should be used in which situations. View Details
Keywords: Trade; International Finance; Decisions; Situation or Environment; Framework; Globalization
Foley, C. Fritz. "Financing International Trade." Harvard Business School Module Note 211-089, April 2011.
- 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... View Details
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 1987 (Revised August 1989)
- Background Note
United States Trade Law
By: David B. Yoffie
Examines the manner in which U.S. trade law and policy has evolved, with emphasis on trade in manufactured goods and services as well as the relationship between the executive and the legislature. The structure and content of U.S. trade law is discussed including a... View Details
Keywords: Trade; Machinery and Machining; Policy; Law Enforcement; Outcome or Result; Business and Government Relations; United States
Yoffie, David B. "United States Trade Law." Harvard Business School Background Note 387-137, February 1987. (Revised August 1989.)
- March 2016
- Article
Trade Credit and Taxes
By: Mihir Desai, C. Fritz Foley and James R. Hines Jr.
This paper analyzes the extent to which firms use trade credit to reallocate capital in response to tax incentives. Tax-induced differences in pretax returns encourage the use of trade credit to reallocate capital from firms facing low tax rates to those facing high... View Details
Desai, Mihir, C. Fritz Foley, and James R. Hines Jr. "Trade Credit and Taxes." Review of Economics and Statistics 98, no. 1 (March 2016): 132–139.
- September 2002
- Case
World Trade Organization, The
By: David A. Moss and Nick Bartlett
Explores the origins and workings of the World Trade Organization (WTO), focusing particular attention on the special challenges of trade liberalization at the dawn of the 21st century. View Details
Moss, David A., and Nick Bartlett. "World Trade Organization, The." Harvard Business School Case 703-015, September 2002.
- Web
Commodities, Currencies, and Balancing of the Trade Deficit - A Chronicle of the China Trade
of the China Trade Introduction Doing Business with China Augustine Heard & Co. The Canton Trade Commodities & Currencies Treaty Ports & Compradors Clippers & Steamships... View Details
The Value of Trading Relationships in Turbulent Times
Our recent work investigates dealers' trading behavior and pricing strategy in the corporate bond market to shed new light on the role of the network of existing relationships among dealers in shaping the transmission of risk and influencing market liquidity. We show... View Details
- 2025
- Working Paper
Trade Within Multinational Boundaries
By: Laura Alfaro, Paola Conconi, Fariha Kamal and Zachary Kroff
We leverage newly linked data from the U.S. Census Bureau and the U.S. Bureau of Economic Analysis to study transactions within U.S. multinational enterprises (MNEs). We show that using administrative data on intrafirm trade allows us to correct for measurement error... View Details
Keywords: Multinational Enterprise; Input-output Linkages; Multinational Firms and Management; Trade; Supply Chain
Alfaro, Laura, Paola Conconi, Fariha Kamal, and Zachary Kroff. "Trade Within Multinational Boundaries." Harvard Business School Working Paper, No. 25-058, May 2025.
- September – October 2007
- Article
Trading Patterns and Excess Comovement of Stock Returns
By: Robin Greenwood and Nathan Sosner
n April 2000, 30 stocks were replaced in the Nikkei 225 Index. The unusually broad index redefinition allowed for a study of the effects of index-linked trading on the excess comovement of stock returns. A large increase occurred in the correlation of trading volume of... View Details
Greenwood, Robin, and Nathan Sosner. "Trading Patterns and Excess Comovement of Stock Returns." Financial Analysts Journal 63, no. 5 (September–October 2007): 69–81.
- June 1996 (Revised November 1996)
- Background Note
Economic Gains from Trade, The: Theories of Strategic Trade
The theory of competitive advantage is one of the most widely accepted economic principles among economists. The theory, as well as substantial historical evidence, suggest that free trade raises national income, while government intervention in trade relations... View Details
Kennedy, Robert E. "Economic Gains from Trade, The: Theories of Strategic Trade." Harvard Business School Background Note 796-184, June 1996. (Revised November 1996.)
- September 1993 (Revised October 1994)
- Case
Environment and International Trade
During the 1990s, environmental activists became interested in trade issues for the first time. Whereas GATT, the General Agreement on Tariffs and Trade, had previously been the province of trade specialists, a new poster popular among environmentalists depicted the... View Details
Keywords: Trade; Environmental Sustainability; Science-Based Business; Policy; Government and Politics; Agreements and Arrangements; Alliances; Globalization; International Relations; Conflict of Interests
Reinhardt, Forest L. "Environment and International Trade." Harvard Business School Case 794-018, September 1993. (Revised October 1994.)
- 23 Feb 2018
- Working Paper Summaries