Publications·January 30, 2011
Critics of free trade have raised the specter of a "race to the bottom," in which environmental standards collapse because polluters threaten to relocate to "pollution havens" in the developing world. Proponents of this view advocate high, globally uniform standards enforced by punitive trade measures that neutralize the cost advantage of would-be pollution havens. To test the race-to-the-bottom model, the author analyzes recent air quality trends in the United States and in Brazil, China, and Mexico, the three largest recipients of foreign investment in the developing world. The evidence clearly contradicts the model's central prediction. The most dangerous form of air pollution--suspended particulate matter--has actually declined in major cities in all four countries during the era of globalization. Citing recent research, the author argues that the race-to-the-bottom model is flawed because its basic assumptions misrepresent the political economy of pollution control in developing countries. He proposes a more realistic model, in which low-income societies serve their own long-run interests by reducing pollution. He concludes with recommendations for international assistance measures that can improve environmental quality without counterproductive enforcement of uniform standards and trade sanctions.
The paper challenges the popular “race-to-the-bottom” narrative, which argues that globalisation and foreign direct investment (FDI) entice low-income countries to slash environmental standards, forcing richer economies to follow suit lest industries relocate. Wheeler asks two empirical questions:
Do real-world air-quality trends show a universal deterioration compatible with a global regulatory “race”?
If not, what political-economy mechanisms better explain the observed relationship between trade, investment and pollution?
2 Data and simple test of the hypothesis
To keep the test transparent, Wheeler selects the pollutant most strongly associated with premature mortality—suspended particulate matter (SPM/PM₁₀)—and the four countries receiving the largest FDI inflows in the late-1990s: China, Mexico, Brazil and the United States. He juxtaposes:
Urban particulate trends (1980-1998) for >50 Chinese cities, Mexico City, Cubatão in São Paulo State, and five U.S. metros (Los Angeles, Houston, Chicago, Atlanta, New York).
National or provincial FDI series over the same period.
Key finding: Particulate concentrations fell sharply or steadily in all locations while FDI soared, refuting the model’s core prediction of simultaneous regulatory collapse. For example:
China’s average urban SPM declined from ≈ 500 µg m⁻³ in 1987 to ≈ 320 µg m⁻³ in 1995.
Mexico City’s fraction of days above the national SPM limit dropped after NAFTA took effect.
Cubatão’s PM₁₀ fell from 180 µg m⁻³ (1984) to ≈ 80 µg m⁻³ (1998).
Los Angeles cut PM₁₀ by 32 % between 1988 and 1997.
3 Why the “race-to-the-bottom” model fails
Flawed assumption Counter-evidence presented
Pollution-control costs dominate location decisions. Empirical studies show abatement costs are a few percent of total costs; scale economies and cheaper local labour often make control cheaper in developing countries.
Poor communities accept any pollution for jobs. Case studies from Indonesia, India, Brazil and Mexico reveal vigorous informal regulation—community protests, NGO litigation, even plant blockades or arson when damage is severe.
Governments in poor countries won’t regulate. Cross-country regressions display a tight positive link between GDP per capita and regulatory stringency; sub-national income gradients predict local enforcement strength.
Multinationals exploit weak rules. A survey of 89 U.S. MNCs found 60 % apply uniform OECD-level standards abroad; stock-market penalties for bad environmental news give firms financial incentives to stay clean.
Open trade always raises pollution intensity. Technology transfer, cleaner capital equipment and investor/consumer scrutiny make many export-oriented plants less polluting than domestic peers.
4 Alternative (“realistic”) political-economy model
Wheeler proposes that income growth, information transparency and community empowerment create reinforcing feedbacks that push standards up, not down:
Income effect: rising welfare elevates environmental quality on the public agenda.
Institutional maturation: richer states finance monitors, labs and trained inspectors.
Social pressure: education and media expose polluters; informal sanctions bite even where formal fines lag.
Market discipline: investors, banks and brand-conscious consumers penalise dirty firms, rewarding early adopters of clean technology.
5 Policy prescriptions
Rather than impose globally uniform standards backed by trade sanctions (which would cost jobs without addressing local capacity gaps), the paper recommends:
Information disclosure: low-cost public reporting of emissions, monitor data and health impacts (e.g., Indonesia’s PROPER, Mexico’s RETC) to empower citizens and markets.
Regulatory capacity building: sustained donor support for laboratories, QA/QC protocols, and inspector training.
Clean-technology diffusion: promote technology leap-frogging via concessional finance and technical assistance.
Targeted assistance, not sanctions: use climate-finance or pollution-control trust funds to help poorest regions avoid short-term “pollution spikes” during rapid industrial booms.
Integrate environment in macro-reform: ensure World Bank/IMF adjustment packages include environmental risk mitigation.
6 Significance
The study was among the first to marshal long-run, multi-country monitoring evidence against the race-to-the-bottom thesis. Its conclusions underpin subsequent World Bank support for public-disclosure programmes across Asia and Latin America and inform today’s emphasis on governance, transparency and local empowerment rather than punitive trade measures. The paper remains a touchstone for balancing trade liberalisation with environmental stewardship in development discourse.
7 Key words
Race to the bottom; foreign direct investment; PM₁₀/SPM trends; informal regulation; community enforcement; pollution-control costs; public disclosure; World Bank Policy Research; China; Mexico City; Cubatão; U.S. cities.