期刊-NBER美国国民经济研究局-winter2000-1_52页_4mb

NBER Winter 2000/2001 Reporter Summary

Core Content

The NBER Reporter for Winter 2000/2001 provides an overview of research conducted under the NBER Program on International Trade and Investment (ITI). The report emphasizes empirical studies of trade patterns, the impact of trade on wages, the role of foreign direct investment (FDI), and the influence of trade policies and institutions on international economic interactions.

Main Research Topics

1. Explaining Trade Patterns

• The Heckscher-Ohlin-Vanek (HOV) model is the leading theoretical framework for understanding trade patterns, linking a country's factor endowments to its exports and imports.
• Despite its theoretical success, the HOV model has limited empirical predictive power, and recent studies have extended it to account for different technologies, factor price differences, and increasing returns to scale.
• Increasing returns to scale are important in many industries and lead to agglomeration of production in certain regions or countries. This is referred to as the home market effect.
• Researchers such as Andrew B. Bernard and J. Bradford Jensen show that productivity at the plant level is a key driver of export behavior.
• Nina Pavcnik and James A. Levinsohn highlight the role of firm heterogeneity in trade and the importance of capital, investment, and technology in shaping labor demand.

2. The Gravity Equation

• The gravity equation suggests that trade between two countries is proportional to their GDPs and inversely related to distance and transportation costs.
• It has been shown to be applicable in both increasing returns and homogeneous goods models.
• Jonathan Eaton and Samuel S. Kortum argue that the gravity equation can be justified by a Ricardian model with random technological differences and transportation costs.
• James E. Rauch finds that ethnic networks help reduce trade frictions, while Robert Z. Lawrence emphasizes the role of information and search costs in multinational trade.

3. Immigration and Capital Flows

• Cross-state migration in the U.S. and immigration from Mexico have different impacts on local wages and industrial structure.
• Foreign direct investment (FDI) is influenced by factor endowments, transportation costs, and increasing returns.
• FDI can have both substitutive and complementary effects with imports, depending on the industry.
• Robert E. Lipsey has made long-standing contributions to understanding the impact of FDI on production and capital flows.

4. Globalization and Wages

• Globalization and technological change have contributed to wage inequality, particularly affecting less-skilled workers.
• The 1998 Monterey Conference on trade and wages explored topics such as inter-industry wage differentials, offshore assembly, technological change, and exchange rate effects.
• Bernard and Jensen found that wage inequality has increased in Great Lakes states but decreased in Southeastern states, suggesting regional differences in the impact of trade.
• Linda S. Goldberg and Nina Pavcnik show that exchange rate sensitivity and technological inputs influence wage changes.

5. Trade Policies

• Antidumping duties are believed to have a more anti-competitive effect than tariffs, as they can lead to higher import prices.
• Market access requirements (MAR) are used to increase imports, but their efficacy is questioned due to potential domestic price increases.
• Merger policy and trade liberalization interact in complex ways, with Levinsohn investigating this relationship.
• The political economy basis for trade policies is explored, with Grossman and Helpman focusing on industry lobbying and consumer interests.
• Baldwin and Feenstra apply this framework to China, using foreign investment acceptance to estimate state planners' objectives.

6. International Institutions

• GATT and WTO rules are examined for their economic rationale, including reciprocity and non-discrimination.
• These rules help prevent trade manipulation and ensure efficient outcomes in international trade.
• Rules of origin are critical in free trade areas, such as the North American Free Trade Agreement (NAFTA), to prevent trade diversion.
• Environmental concerns are increasingly included in international trade negotiations, with Copeland and Whalley analyzing the impact of trade and environment policies.

Key Information

• The HOV model has been extended to include differentiated goods and increasing returns to scale, leading to more accurate explanations of trade patterns.
• Ethnic networks and information costs are significant in facilitating trade and affecting wages.
• FDI is influenced by factor endowments and technological advantages, and can have mixed effects on local wages and trade.
• Trade policies such as antidumping duties and market access requirements are analyzed for their economic impact and political motivations.
• International institutions like GATT and WTO are essential for maintaining fair trade practices and preventing trade manipulation.
• Globalization has wider implications beyond trade, including wage inequality and technological diffusion.

NBER Structure and Funding

• The NBER is a private, nonprofit research organization founded in 1920.
• It is governed by a Board of Directors and includes directors by university appointment and directors by other organizations.
• The NBER depends on funding from individuals, corporations, and private foundations to maintain independence and flexibility in research.

Conclusion

The report highlights the complexity of international trade and investment, emphasizing the importance of empirical research and policy analysis. It underscores the interplay between economic theory, data, and policy implications, especially in the context of globalization, wage dynamics, and international institutions.