Carbon Tax and Industrial Competitiveness: Insights from Nordic Empirical Evidence for Germany's Energy-Intensive Industries

Carbon Tax and Industrial Competitiveness: New Logic of Climate Policy Revealed by Nordic Empirical Evidence

Introduction: The Carbon Pricing Question for German Industry

As the EU Carbon Border Adjustment Mechanism (CBAM) is gradually implemented and domestic carbon prices in Germany continue to rise, an old yet sharp question has resurfaced: Will climate ambition come at the cost of industrial competitiveness? For the German economy, which relies on energy-intensive basic materials and high-end manufacturing, such concerns are particularly acute. The steel, chemical, machinery, and automotive supply chains are all under dual pressure from rising costs and the green transition. However, a recent empirical study focusing on the Nordic region offers another possible answer to this debate: under certain conditions, carbon taxes have not only failed to weaken exports but have instead become a driver of competitiveness upgrading.

Background: The Nordics as a Global "Stress Test" for Carbon Taxes

In this study published in *Frontiers in Sustainability*, the researchers used panel data from Nordic economies from 2000 to 2024 to systematically examine the complex relationship among carbon taxes, energy consumption, and industrial competitiveness. The Nordic countries have long had the highest carbon tax levels in the world—Sweden's carbon tax intensity, for example, ranks among the highest globally—while these economies are also highly dependent on manufacturing exports. This unique combination of policy and trade structure makes them a natural "stress test" for observing the interaction between climate policy and industrial competitiveness.

The study employed multiple econometric methods, including quantile regression, panel-corrected standard errors, Driscoll-Kraay standard errors, system GMM, and panel ARDL, in an attempt to answer a core question: Does high carbon pricing inevitably lead to industrial relocation or export contraction?

Analysis of Deeper Causes: How Carbon Taxes Reshape the Logic of Competition

1. The Positive Association Between Carbon Taxes and Exports: The Induced Innovation Effect

Contrary to intuition, the research findings show a positive association between carbon tax levels and manufacturing exports. This is not to say that carbon taxes can directly create exports, but rather that sustained and predictable carbon prices send a long-term signal to enterprises: high-carbon production methods are no longer economically rational. Faced with institutional cost pressure, firms are compelled to shift toward energy efficiency improvement, process upgrading, and low-carbon product development. These mechanisms—what scholars call "induced innovation" and "efficiency improvement"—ultimately translate into competitiveness in global markets. The carbon tax thus plays a role not merely as a cost item, but as a catalyst for industrial upgrading.

2. The Double-Edged Sword of Fossil Fuels

The study also finds that fossil fuel consumption supports export performance in the short run.The study also found that fossil fuel consumption actually supported export performance in the short term. This is not surprising, since many manufacturing sectors still rely on fossil energy for stable, low-cost heat and power. Especially in areas where production processes cannot yet be fully electrified, the relative availability of fossil fuels still constitutes a comparative advantage. However, this finding also implies that countries overly dependent on traditional energy will face long-term vulnerability in a global environment of tightening carbon constraints. For the German economy, which is trying to move away from fossil fuel dependence, this conclusion is both a warning and an opportunity.

3. The Negative Effects of Electricity Costs and Carbon Intensity

In contrast to fossil fuels, electricity consumption has a significant negative effect on exports. The basic reality behind this is that in countries with high carbon taxes, electricity prices often include a large share of carbon emission costs, putting energy-intensive manufacturing at a cost disadvantage. At the same time, the higher the carbon intensity (embedded emissions per unit of output) of a product, the weaker its competitiveness in international markets. This finding is particularly noteworthy because it foreshadows the far-reaching impact of the Carbon Border Adjustment Mechanism—high-carbon products will face additional cost barriers in the EU market in the future.

4. Manufacturing Value Added: The Core Variable for Stable Competitiveness

The study further finds that manufacturing value added makes a clear positive contribution to export competitiveness. This means that a country's position in global value chains is far more critical than the sheer scale of trade. Industries that can achieve higher manufacturing premiums through technological upgrading, specialization, and high-value-added activities can maintain or even strengthen their export performance even under carbon tax pressure. The Nordic experience shows that industrial policy and climate policy are not a zero-sum game; industrial upgrading is precisely an effective way to absorb the shock of carbon costs.

Implications for German Industry: From Cost Burden to Innovation Driver

There are significant differences between Germany and the Nordic countries in industrial structure, but this study offers several key considerations for German industry.

First, carbon pricing should not be viewed simply as a "punitive tool." German industry is already accustomed to high environmental standards, and its manufacturing sector has a first-mover advantage in environmental technology, energy efficiency engineering, and high-end products. If carbon taxes are designed as a predictable, long-term institutional framework, they could accelerate breakthroughs by German companies in low-carbon materials, circular processes, and green smart manufacturing.

Second, Germany needs to guard against the erosion of industrial competitiveness by electricity costs. The Nordic study shows that electricity consumption is negatively correlated with export performance, reminding Germany that while advancing its electrification strategy, it must simultaneously ensure the international competitiveness of industrial electricity prices. Otherwise, the so-called "green electricity" advantage may be offset by high energy costs.

Third, the importance of manufacturing value added is particularly pronounced in Germany. The core strength of German industry lies in complex engineering, systems integration, and high-quality manufacturing. By embedding themselves in the high-end segments of global value chains, German companies can convert carbon costs into differentiated competitiveness. For example, low-carbon steel, green chemicals, and energy-efficient equipment are precisely the product categories for which multinational corporations will be willing to pay a premium in the future.## Europe and Global Impact: New Rules of Carbon Competition

The value of the Nordic empirical research extends beyond the region itself. It provides theoretical support for the Carbon Border Adjustment Mechanism currently being implemented by the EU: as long as carbon pricing systems are well designed and accompanied by policies that support innovation and industrial upgrading, Europe does not have to make an either-or choice between climate goals and industrial survival.

However, this also means that global manufacturing competition is entering a new phase. Carbon efficiency is becoming a new source of comparative advantage in international trade. Economies with low-carbon energy structures, energy-efficient production systems, and technological innovation capabilities will occupy favorable positions in the future global market. For major manufacturing countries such as China and the United States, the Nordic experience shows that carbon costs do not necessarily weaken manufacturing; on the contrary, they may give rise to a new round of industrial technology competition.

Long-Term Trend Assessment: Low-Carbon Competitiveness in the Next 3–10 Years

Looking ahead three to ten years, carbon pricing will almost certainly become a standard policy tool in the world's major economies. The gradual implementation of the EU Carbon Border Adjustment Mechanism will embed carbon emission costs into international trade price signals. The positive transmission mechanism of "carbon tax—innovation—exports" revealed by the Nordic research is expected to be validated in more high-income economies.

For German industry, the trends most worthy of attention include:

• Industrial electrification integrated with green electricity: Companies will re-evaluate their energy structures, and regions and sectors with access to low-cost zero-carbon electricity will gain new advantages.
• Circular economy and material efficiency upgrades: The negative effect of carbon intensity indicators will push more companies to adopt recycled materials and closed-loop processes to reduce emissions per unit of product.
• Restructuring of global value chains: High-carbon segments may accelerate their shift to regions with looser carbon constraints, but low-carbon high-end manufacturing will further concentrate in technologically advanced countries.
• Carbon finance and carbon asset management: Carbon taxes and emissions trading systems will give rise to new corporate capabilities, and carbon risk will become an important parameter in investment decisions.

Conclusion

The empirical experience of the Nordic countries offers a sobering conclusion: carbon taxes and industrial competitiveness are not naturally opposed, but their positive effects are not automatically realized. They depend on clear long-term policy signals, effective energy cost management, and continuously deepening industrial upgrading. German industry is at a critical juncture in its own transformation. Rather than viewing carbon pricing as a threat, it is better to regard it as institutional pressure that forces the industrial system to accelerate its evolution. The new race in global advanced manufacturing has already begun, and low-carbon capability is the core endurance metric on the track.

(This article is based on the academic study "Carbon taxes and industrial competitiveness: evidence from energy-intensive industries in the Nordic region" and aims to provide in-depth industrial analysis from the perspective of German industry.)