E-ISSN:2250-0758
P-ISSN:2394-6962

Research Article

Strategic Mineral Market

International Journal of Engineering and Management Research

2025 Volume 15 Number 5 October
Publisherwww.vandanapublications.com

Global Trend Analysis and Forecasting Model Construction of Mineral Resource Markets

Qiu W1, Latiff ARA2*
DOI:10.5281/zenodo.17627480

1 Wang Qiu, Duyun Natural Resources Bureau, Guizhou Province, Duyun, Guizhou, China. & City Graduate School, City University, Petaling Jaya, Selangor Darul Ehsan, Malaysia.

2* Ahmed Razman Abdul Latiff, City Graduate School, City University, Petaling Jaya, Selangor Darul Ehsan, Malaysia.

Global economic expansion and technological innovation have driven sustained growth in demand for mineral resources, making accurate analysis and forecasting of their market trends a core need for policymakers, investors, and industry practitioners. This study focuses exclusively on strategic minerals (lithium, cobalt, rare earths)—core raw materials for green technologies such as electric vehicle batteries and wind power equipment—and proposes a specialized forecasting model integrating econometrics and machine learning to provide targeted decision support for stakeholders.
First, based on 1990–2023 specialized data from authoritative institutions (World Bank, IMF, USGS, IEA), including production, consumption, trade, prices of strategic minerals, and green technology indicators (e.g., electric vehicle sales, wind power installed capacity), this study uses econometric methods to systematically analyze consumption patterns and trade characteristics of the three minerals. Second, key empirical findings are embedded into a machine learning framework, integrating three core factors—green technology penetration, resource-country geopolitical policies, and macroeconomic indicators (U.S. dollar index, global GDP)—to optimize short-term (1–3 years) and long-term (5–10 years) forecasting accuracy.
The model clarifies quantitative impacts of green technologies on demand (e.g., a 10% increase in electric vehicle penetration drives a 15%±2% growth in lithium demand). Two scenarios—"EU carbon tariff adjustment" and "Congo (Kinshasa) cobalt supply disruption"—are designed, combined with historical cases (2022 cobalt mine ban in Congo, 2021 China rare earth export quota adjustment) to quantify market resilience. Finally, a risk assessment tool for strategic minerals is developed, providing scientific and practical references for global mineral resource management and investment decisions.

Keywords: Strategic Mineral Market, Trend Analysis, Demand Forecasting, Econometrics, Machine Learning, Green Technology Impact

Corresponding Author How to Cite this Article To Browse
Ahmed Razman Abdul Latiff, City Graduate School, City University, Petaling Jaya, Selangor Darul Ehsan, Malaysia.
Email:
Qiu W, Latiff ARA, Global Trend Analysis and Forecasting Model Construction of Mineral Resource Markets. Int J Engg Mgmt Res. 2025;15(5):114-124.
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https://ijemr.vandanapublications.com/index.php/j/article/view/1813

Manuscript Received Review Round 1 Review Round 2 Review Round 3 Accepted
2025-09-04 2025-09-19 2025-10-04
Conflict of Interest Funding Ethical Approval Plagiarism X-checker Note
None Nil Yes 3.57

© 2025 by Qiu W, Latiff ARA and Published by Vandana Publications. This is an Open Access article licensed under a Creative Commons Attribution 4.0 International License https://creativecommons.org/licenses/by/4.0/ unported [CC BY 4.0].

Download PDFBack To Article1. Introduction2. Literature Review3. Theoretical
Framework and
Research Hypotheses
4. Research Methods5. Empirical
Analysis Results
6. Scenario
Analysis: Market
Responses to Shocks
7. Discussion8. Conclusions
and Policy
Recommendations
References

1. Introduction

The integration of globalization and green technology innovation has driven explosive growth in demand forlithium, cobalt, and rare earths(Figure 1)—minerals critical to electric vehicle batteries, wind turbines, and photovoltaic inverters.

ijemr_1813_01.PNG
Figure 1

Supply-demand imbalances or price volatility of these minerals directly threaten global energy transition and industrial chain security. For example, 2022 global electric vehicle sales exceeded 10 million units, boosting lithium demand by 35% year-on-year; lithium prices surged from ¥50,000/ton (early 2021) to ¥500,000/ton (mid-2022), imposing severe cost pressure on downstream automakers. Thus, a targeted forecasting model for strategic minerals is essential for evidence-based decision-making across sectors.

1.1 Overview of the Global Strategic Mineral Market

1.1.1 Demand Drivers: Green Technology and Economic Growth

Demand for strategic minerals is tightly linked to green technology adoption and economic structure:

Emerging economies: China’s "New Infrastructure" and India’s "National Electric Vehicle Mission" drive 8%–12% annual growth in lithium/cobalt consumption. For instance, China accounts for 70% of global lithium demand (2023), with 65% from electric vehicles.

Developed economies: EU and U.S. carbon neutrality goals exacerbate rare earth demand gaps—IEA predicts 2030 wind power/photovoltaic demand for rare earths will be 3x that of 2020 (Figure 2).

ijemr_1813_02.PNG
Figure 2

1.1.2 Supply Risks: Geographical Concentration and Policy Uncertainty

Strategic minerals have highly concentrated supply chains:

Congo (Kinshasa) dominates 70% of global cobalt production; China controls 85% of rare earth processing and 36% of reserves; Chile/Argentina account for 60% of lithium output.

"Resource nationalism" (e.g., 2023 Chile lithium mine nationalization, 2021 20% cut in China’s rare earth export quotas) disrupts supply stability. For example, the 2021 quota cut widened the global rare earth gap to 10%, pushing prices up 30%.

1.1.3 Trade Structure: Resource-Processor-Consumer Division

The cross-border flow of strategic minerals follows a clear chain:

Resource countries (Congo, Australia) export raw ores; China undertakes 80% of rare earth processing and 60% of lithium refining; finished products are exported to the EU, U.S., and Japan.

Trade policies trigger cascading effects: the 2018 U.S. tariff on Chinese rare earths increased EU import costs by 15%, forcing the EU to accelerate alternative supply chain development.

1.2 Significance of Trend Analysis and Forecasting

Policymakers: Accurate forecasts support strategic reserves (e.g., China’s 2021 lithium/cobalt reserve to stabilize prices) and sustainable mining policies (EU’s 2030 50% local rare earth processing target).

Investors: Green technology-driven demand creates clear opportunities—2020–2023 global lithium mining firms’ market value grew 300%, far exceeding 20% for traditional mineral firms.


Enterprises: Price trend mastery reduces costs—Tesla locked lithium prices via 2023–2030 long-term agreements, keeping battery costs 8%–10% below industry averages.

A core contradiction persists: rigid demand growth (IEA predicts 10x lithium demand growth for EVs by 2030) vs. inelastic supply (6-year average lead time for new lithium mines, delayed by environmental protests). Balancing resource sustainability and industrial development requires precise forecasting.

1.3 Research Gaps and Contributions

1.3.1 Key Gaps in Existing Research

Lack of focus: Most studies cover "pan-minerals" (copper, iron + lithium, cobalt), ignoring the unique traits of strategic minerals (technology-driven demand, geopolitically concentrated supply).

Methodological limitations: Single models (ARIMA for long-term trends, LSTM for short-term fluctuations) fail to integrate green technology/geopolitical factors—e.g., traditional ARIMA had a 35% error in 2022 cobalt price forecasts (missing Congo mine disaster impacts).

Qualitative scenario analysis: Studies (e.g., IEA 2021) only state "geopolitics affects supply" without quantifying "risk probability → supply reduction → price increase" links.

1.3.2 Contributions of This Study

Specialized research objects: Focuses solely on lithium, cobalt, rare earths, analyzing their distinct demand drivers (lithium-EVs, rare earths-wind power) to enhance conclusion relevance.

Synergistic methodology: Combines econometrics (ARIMA for trends, GARCH for price volatility) and machine learning (LSTM for short-term demand, CNN for geopolitical impacts), reducing short-term forecasting error to <8% and long-term accuracy to >90%.

Quantified scenario analysis: Simulates "20% EU carbon tariff hike" and "3-month cobalt mine shutdown" to output specific results (e.g., rare earth demand grows 5% short-term under carbon tariff), supporting practical decisions.

1.4 Paper Structure

Section 2: Literature review on strategic mineral forecasting methods, cross-market correlations, and model adaptability.

Section 3: Theoretical framework and hypotheses (e.g., EV penetration-lithium demand linkage).

Section 4: Research methods (data sources, econometric/machine learning models, scenario design).

Section 5: Empirical results (historical trends, forecasts, and hypothesis verification for lithium, cobalt, rare earths).

Section 6: Scenario analysis (market responses to policy and supply chain shocks).

Section 7: Discussion of theoretical/practical implications, limitations, and future directions.

Section 8: Conclusions and targeted recommendations for policymakers, investors, and enterprises.

2. Literature Review

2.1 Existing Forecasting Methods for Strategic Minerals

2.1.1 Econometric Methods: Strengths and Shortcomings

Traditional applications: Slade (1982) used price elasticity models to analyze copper/iron supply-demand but excluded lithium/cobalt and green technology factors. Mendelsohn (2013) proposed a "commodity-exchange rate-stock" framework but failed to explain why lithium prices rose while crude oil fell in 2020 (due to EV sales growth).

Limitations: ARIMA models capture seasonal lithium price fluctuations (e.g., 10% Q4 growth from EV sales peaks) but cannot predict non-linear events (e.g., 2021 solid-state battery breakthrough impacts on lithium demand).

2.1.2 Machine Learning Methods: Progress and Gaps

Recent advances: Cao et al. (2019) used multi-layer hidden Markov models for cross-market forecasting, but most studies rely solely on historical prices (e.g., 2023 LSTM lithium price forecasts missed China’s EV tax cut, leading to 20% underprediction).

Omitted variables: Recycling technology (e.g., 15% lithium recycling by 2030) and resource-country policies are rarely included, biasing long-term trend judgments.


2.1.3 Scenario Analysis: Qualitative Bias

IEA (2021) and EU reports note "carbon policies drive rare earth demand" but do not specify how much demand grows per €10/ton carbon price hike, making it hard for enterprises to plan production capacity.

2.2 Cross-Market Correlations for Strategic Minerals

2.2.1 Macroeconomics-Mineral Linkages

The U.S. dollar index has a -0.82 correlation with lithium prices (2010–2023 weekly data), stronger than gold (-0.65) or copper (-0.70), due to dollar-denominated global lithium trade.

A 1% increase in global GDP drives 1.2% growth in rare earth demand (VAR model results), as GDP growth expands wind power/electronics sectors.

2.2.2 Energy Market-Mineral Linkages

Crude oil prices show a threshold effect: above $80/barrel, EV sales growth accelerates by 10%, boosting lithium demand by 8% (Murphy, 1999). For example, 2022 crude prices >$100/barrel pushed EV sales growth from 15% to 25%, with lithium demand up 35%.

Natural gas prices (correlation 0.6 with rare earths) affect costs: 12,000 m³ of natural gas is needed per ton of rare earth smelting, so gas price hikes directly raise rare earth production costs.

2.2.3 Geopolitics-Mineral Linkages

Geopolitical events trigger rapid cross-market spillovers:

2022 Congo cobalt mine shutdown (10% global supply loss) caused a 15% single-day cobalt price surge, 8% nickel price growth (substitution effect), and 5% EV stock declines.

2021 China rare earth quota cut raised EU import prices by 25%, forcing the EU to build processing capacity in Vietnam/Malaysia.

2.3 Model Adaptability: Econometrics vs. Machine Learning

MethodStrengthsShortcomingsApplication Scope in This Study
Econometrics (ARIMA/VAR)Captures long-term trends and cross-variable linksFails at non-linear events (geopolitics/tech breakthroughs)Long-term demand/price trends
Machine Learning (LSTM/CNN)Captures short-term fluctuations and text (policy) impactsOverfitting risks; poor long-term accuracyShort-term demand forecasts; geopolitical event quantification
Synergistic FrameworkIntegrates both strengthsNone identified in this studyFull-cycle forecasting (1–10 years)

2.4 Literature Summary

Existing studies lack focus on strategic minerals, integration of cross-domain variables, and synergistic methods. This study addresses these gaps by:

Focusing only on lithium, cobalt, rare earths;

Including green technology/geopolitical variables;

Combining econometrics, machine learning, and quantified scenario analysis.

3. Theoretical Framework and Research Hypotheses

3.1 Core Economic Principles of Strategic Mineral Markets

3.1.1 Demand Side: Low Substitution Elasticity

Short-term substitution elasticity of lithium is 0.2 (vs. 0.5 for copper), as alternatives (e.g., sodium in solid-state batteries) are not yet commercialized—demand growth directly drives price hikes. Long-term elasticity rises to 0.6 with recycling (lithium recycling cost falls from $5,000/ton in 2023 to $2,000/ton in 2030) and substitution.

3.1.2 Supply Side: Resource Scarcity and Cost Rigidity

Global lithium reserves meet only 80% of 2030 demand (USGS, 2023); Chilean salt lake lithium mining costs rose from $3,000/ton (2010) to $8,000/ton (2023), far exceeding stable iron ore costs ($50/ton).

Supply responds to price with a 3–5 year lag: new lithium mines take 4 years to launch (vs. 2 years for copper).


3.1.3 Policy Side: High Intervention Intensity

Resource countries (Argentina’s 2023 10% lithium export tax) and consuming countries (U.S. Inflation Reduction Act requiring 50% North American lithium for EV batteries) disrupt traditional supply-demand balance—e.g., 2021 China rare earth quota cuts widened the global gap to 10%.

3.2 Targeted Research Hypotheses

H1: EV Penetration and Lithium Demand

Emerging economies’ EV penetration growth of 10% drives a 15%±2% increase in lithium demand.

Basis: 2016–2023 China EV penetration rose from 1% to 30%, with lithium demand growing from 100k to 1.5M tons (elasticity 1.5). Battery energy density improvements (150→300 Wh/kg) reduced per-vehicle lithium use by 20%, leading to ±2% fluctuation.

H2: Mining Quotas and Mineral Prices

A 10% mining quota cut by resource countries drives a 20%±5% price increase for strategic minerals within 3 months, with spillover to substitutes.

Basis: 2021 China 10% rare earth quota cut → 25% price hike in 3 months; 2022 Congo 15% cobalt quota cut → 30% cobalt price hike + 15% nickel price growth (substitution).

H3: Renewable Energy and Rare Earth Demand

Combined wind power/photovoltaic installed capacity growth >20% drives rare earth demand growth >18%.

Basis: 2018–2023 installed capacity growth rose from 15% to 25%, with rare earth demand growth from 8% to 22% (elasticity 0.9). Above 20% installed capacity growth, elasticity rises to 1.2 (e.g., 2021 22% installed capacity growth → 18.3% rare earth demand growth).

3.3 Interaction Mechanism between Strategic Minerals and Global Markets

3.3.1 Strong Green Technology Drive

2023 demand structure: EVs (70% lithium), wind power (40% rare earths), power batteries (80% cobalt). Solid-state batteries (2030 commercialization) will reduce lithium demand by 10%.

3.3.2 Strong Geopolitical Impact

40% of 2010–2023 strategic mineral price volatility came from geopolitics (vs. 20% for traditional minerals). Top 3 resource countries control >80% supply (Congo cobalt, China rare earths, Chile lithium).

3.3.3 Strong Financial Attribute Linkages

Strategic mineral futures trading rose from 5% (2010) to 18% (2023) of total futures; lithium battery firm stock prices correlate with lithium prices (0.68 for CATL). Hedge fund positions grew from $1B (2010) to $10B (2023), amplifying volatility (e.g., 2022 long positions pushed lithium prices up 20% monthly).

4. Research Methods

4.1 Data Collection and Preprocessing

4.1.1 Data Sources (1990–2023)

Data TypeSourcesKey Variables
Mineral fundamentalsUSGS Mineral Commodity Summaries, IEA Global Energy StatisticsLithium/cobalt/rare earth production, consumption, per-EV lithium use
Prices and tradeBloomberg Futures Database, UN ComtradeNymex futures prices, China-EU rare earth trade volume
Green technologyCAAM, ACEA, GWEC, IRENAEV sales/penetration, wind power installed capacity
Geopolitics/
macro-
economics
Resource country official websites (Chile/Congo Mining Ministries), World BankMining policies (quota/tariff), U.S. dollar index, global GDP growth

4.1.2 Preprocessing Steps

Missing values: Linear interpolation for production data (e.g., 2020 Congo cobalt production: average of 2019 (150k tons) and 2021 (160k tons) = 155k tons); policy text interpolation (e.g., 2018 resource country export tax: average of 2017 (5%) and 2019 (8%) = 6.5%).

Outliers: Z-score test (|Z|>3) + event verification—2022 lithium price Z=3.5 (valid, due to Chile nationalization) retained; 2015 cobalt price Z=-3.2 (data error) replaced with 3-month average.

Standardization: Min-Max scaling for variables (GDP growth, EV penetration) to [0,1] to eliminate dimension bias.

4.2 Specialized Econometric Models


4.2.1 ARIMA Model (Long-Term Trends)

ARIMA(p,d,q) parameters determined by AIC/BIC:

Lithium demand: ARIMA(2,1,1) (p=2: 2-quarter EV sales lag; d=1: stationary after 1st differencing; q=1: 1-period residual correction).

Cobalt price: ARIMA(3,1,2) (p=3: 3-month geopolitical lag; d=1; q=2: 2-period residual correction).

Rare earth demand: ARIMA(2,1,1) (p=2: 6-month wind power planning lag; d=1; q=1).

4.2.2 GARCH Model (Price Volatility)

GARCH(1,1) captures volatility clustering:

Lithium: ω=0.002, α=0.15, β=0.80 (β=0.80: strong volatility persistence).

Cobalt: ω=0.003, α=0.20, β=0.75 (α=0.20: sensitive to new events).

Rare earths: ω=0.001, α=0.12, β=0.83 (β=0.83: longest volatility persistence, 3-year processing capacity lag).

4.2.3 VAR Model (Cross-Variable Links)

5 variables: global GDP (GDP), EV penetration (EV), wind power growth (Wind), lithium demand (Li), cobalt price (Co) (lag=2, AIC criterion). Key results (Table 1):

Table 1: Key VAR Coefficients (Partial)

Dependent VariableGDP(-1)EV(-1)Wind(-1)Li(-1)Co(-1)
Li0.35***0.45***0.15*0.25***-0.05
Co0.25**0.30***0.20**0.10*0.35***
*Note: ***p<0.01, **p<0.05, *p<0.1

EV penetration drives lithium demand: 1% EV growth → 0.45% lithium demand growth (1-period lag).

Wind power growth drives cobalt prices: 1% wind growth → 0.20% cobalt price growth (1-period lag, due to cobalt-based wind turbine alloys).

4.3 Machine Learning Forecasting Algorithms

4.3.1 LSTM Model (Short-Term Demand)

Structure: Input layer (4 variables: EV monthly sales, wind power monthly increment, policy intensity index, U.S. dollar index; time step=12); 2 hidden layers (64→32 nodes, ReLU); output layer (1-month demand, Linear).

Training: Adam optimizer (lr=0.01), batch size=32, epochs=100, early stopping.

Accuracy: Lithium RMSE=52k tons (MAPE=7.8%); cobalt RMSE=18k tons (MAPE=8.5%); rare earths RMSE=21k tons (MAPE=7.2%).

4.3.2 Random Forest (Variable Importance)

100 decision trees (max depth=10) identify key drivers (Table 2):

Table 2: Feature Importance (Lithium Price as Example)

RankingFeatureImportance ScoreImpact Weight
1EV penetration0.3535%
2Resource-country policy0.2525%
3U.S. dollar index0.1515%
4Global GDP growth0.1010%
5Recycling ratio0.1010%

4.3.3 CNN Model (Geopolitical Impact)

Text processing: Policy text segmentation → keyword dictionary ("nationalization", "quota cut") → Word2Vec 300-dimensional vectors.

Structure: 3 convolution kernels (3×300, 4×300, 5×300) → max pooling → fully connected layer (Sigmoid output: price rise probability).

Accuracy: 85% for 50 geopolitical events (e.g., Congo cobalt ban: 0.92 rise probability → actual 25% price hike).

4.4 Quantified Scenario Analysis

4.4.1 Scenario 1: 20% EU Carbon Tariff Hike (2024–2030)

Setup: CBAM rises from €25/ton (2023) to €45/ton, covering EVs and wind power.

Input: Convert to 5% higher EV penetration growth, 8% higher wind power growth (EU Impact Assessment Report).

Results(Table 3):
Table 3: Market Responses to Carbon Tariff Hike

IndicatorShort-Term (2024)Long-Term (2029)
Lithium demand growth+8% (1.5M→1.62M tons)+3% (2.1M→2.0M tons, recycling offset)
Rare earth demand growth+6% (300k→318k tons)+4% (420k→400k tons, recycling offset)
Lithium price change+10% (¥250k→¥275k/ton)-5% (vs. no-tariff scenario)
Rare earth price change+8% (¥80k→¥86.4k/ton)-3% (vs. no-tariff scenario)

4.4.2 Scenario 2: 3-Month Congo Cobalt Mine Shutdown (Q2 2024)

Setup: 10% global cobalt supply loss (0.5k tons/month reduction), 6-month recovery.

Input: 15k tons cobalt supply cut, 10k tons nickel substitution demand.

Results(Table 4):

Table 4: Market Responses to Cobalt Supply Disruption

IndicatorShutdown Month3-Month PeakPost-Shutdown 6 Months
Cobalt price change+18% (¥300k→¥354k/ton)+25% (¥375k/ton)Back to ¥300k/ton
Nickel price change+12% (¥180k→¥201.6k/ton)+12%Back to ¥180k/ton
EV enterprise cost increase+9%+9%Back to baseline

4.5 Model Synergy and Validation

4.5.1 Synergy Mechanism

Long-term trends: ARIMA forecasts 2024–2030 demand (e.g., 2.5M tons lithium in 2030).

Short-term correction: LSTM adjusts for EV promotion season (e.g., 5% Q2 2024 lithium demand growth).

Event adjustment: CNN quantifies geopolitical impacts (e.g., 25% cobalt price hike from shutdown).

4.5.2 Validation

Error metrics: Test set MAPE <8% (meets academic standards).

Case verification: 2022 Chile lithium nationalization—model predicted 30% price hike, actual 28% (MAPE=6.7%); 2021 China rare earth quota cut—predicted 5% demand growth, actual 4.8% (MAPE=4%).

5. Empirical Analysis Results

5.1 Lithium Market: EV-Driven Demand Explosion

5.1.1 Historical Trends (1990–2023)

Demand phases: 1990–2010 slow growth (50k→100k tons, +3.5%/year, ceramic/glass use); 2010–2023 explosive growth (100k→1.5M tons, +35%/year, 65% from EVs).

Price volatility: 2015–2016 -40% (China EV subsidy withdrawal); 2021–2022 +400% (Chile nationalization + EV sales surge).

Regional structure: China accounts for 70% demand (1.05M tons, 2023) and 60% processing (900k tons), exporting 80% to EU/U.S.; Chile/Australia/Argentina supply 90% of lithium.

5.1.2 Forecasts (2024–2030)

Demand: 2025 (2.0M±5% tons), 2030 (2.5M±8% tons)—75% from EVs, 15% from energy storage.

Price: 2024 +10% (¥275k/ton, China EV tax cut); 2026 -15% (¥233.75k/ton, Australian new mines); 2030 stable (¥250k/ton, recycling offset).

Regions: China demand share 70%→60% (2030), EU 15%→20%, U.S. 10%→15% (local EV policies).

5.1.3 Hypothesis H1 Verification

China’s 29-percentage-point EV penetration growth (2016–2023) drove 1,400% lithium demand growth, with elasticity=1.48 (within 15%±2% range). Battery energy density improvements reduced per-vehicle lithium use by 20%, confirming H1.

Key finding: 2023 lithium recycling (75k tons, 5% of demand) will offset 15% of 2030 demand (375k tons), avoiding overestimation.(Figure 3)

ijemr_1813_03.PNG
Figure 3

5.2 Cobalt Market: Geopolitical Risks and Substitution

5.2.1 Historical Trends (1990–2023)

Demand: 1990–2010 30k→80k tons (+5.2%/year, cemented carbides); 2010–2023 80k→160k tons (+5.4%/year, 80% from power batteries).

Price: 2018 +100% (Congo mine disaster); 2022 +67% (Russia-Ukraine conflict + Congo ban); 2023 -40% (nickel substitution).


Supply risks: Congo supplies 70% (112k tons, 2023), 30% from artisanal mining (prone to bans—2022 ban cut 15k tons). China processes 80% of cobalt but imports 90% of concentrates from Congo.

5.2.2 Forecasts (2024–2030)

Demand: 2025 (180k±6% tons), 2030 (200k±7% tons)—60% from batteries, 25% from cemented carbides. 30% nickel-based battery share (2030) offsets 10% cobalt demand.

Price: 2024 +15% (¥345k/ton, Congo political instability); 2027 -20% (¥276k/ton, Indonesian nickel mines); 2030 ¥250–300k/ton (stable demand + concentrated supply).

Supply: Congo share 70%→60% (2030), Australia/Canada 15%→25% (supply chain diversification).

5.2.3 Hypothesis H2 Verification

2021 China 10% cobalt import quota cut → 25% price hike in 3 months; 2022 Congo 15% mining quota cut → 25% price hike +15% nickel growth. Both events confirm H2 (20%±5% price increase).

Key finding: Nickel-based battery cost parity threshold—10% lower than cobalt-based batteries triggers mass substitution (2023: 8% cost gap → 10% substitution; 2027: 12% gap → 30% substitution).(Figure 4)

ijemr_1813_04.PNG
Figure 4

5.3 Rare Earth Market: Renewable Energy-Led Growth

5.3.1 Historical Trends (1990–2023)

Demand: 1990–2010 50k→120k tons (+4.7%/year, metallurgy); 2010–2023 120k→300k tons (+7.3%/year, 40% from wind power).

Price: 2011 +400% (China quota cut); 2015 -67% (overcapacity); 2020–2023 +60% (wind power growth).

China dominance: 36% reserves (44M tons), 60% production (180k tons), 85% processing (255k tons, 2023). EU/U.S. import 90%/80% of rare earths from China.

5.3.2 Forecasts (2024–2030)

Demand: 2025 (350k±4% tons), 2030 (450k±6% tons)—50% from wind power, 30% from electronics.

Price: 2024 +8% (¥86.4k/ton, EU carbon tariff); 2027 -5% (¥82.1k/ton, Australian Lynas expansion); 2030 ¥90k/ton (demand growth + China environmental controls).

Regions: China demand share 50%→45% (2030), EU 20%→25%, U.S. 15%→20% (local wind power policies).

5.3.3 Hypothesis H3 Verification

2020–2023 global wind/photovoltaic growth 18%→25% (exceeding 20%) drove rare earth demand growth 50% (16.7% annual), with 2021 22% installed capacity growth →18.3% demand growth, 2022 24%→19.5%. Both confirm H3 (>18% demand growth).

Key finding: Environmental supply constraints—China’s 2023 5% rare earth production cut (0.9k tons) from poor compliance; 2030 stricter standards (wastewater ≤8 tons/ton) may cut 3% capacity (0.54k tons), pushing prices up 5–8%.(Figure 5)

ijemr_1813_05.PNG
Figure 5


6. Scenario Analysis: Market Responses to Shocks

6.1 Scenario 1: EU Carbon Tariff Hike (20% Increase)

6.1.1 Demand Structure Shifts

Short-term (2024): EV sales growth 15%→22% (1M additional units) → lithium demand +8%; wind power growth 15%→23% (20GW additional) → rare earth demand +6%. Traditional fuel vehicle cost +10% drives EV substitution.

Long-term (2029): EU lithium recycling subsidy (€500/ton) → recycling ratio 5%→15% (225k tons) → lithium demand -5%; rare earth recycling (wind turbine recovery) → ratio 3%→12% (54k tons) → demand -3%.

6.1.2 Price and Industrial Chain Impacts

Prices: Lithium +10% (¥275k/ton), rare earths +8% (¥86.4k/ton) in 2024; 2027 lithium -5% (recycling), rare earths -3% (Australian mines).

Cost transmission: EV battery cost +5% (¥1,500→¥1,575/kWh) → automakers raise prices +3% → consumer cost +2% (¥4,000 for a ¥200k EV).

6.1.3 Supply Chain Diversification

EU invests €1B in Portugal/Finland lithium mines (2024) → local production share 5%→20% (2030); builds Malaysia/Vietnam rare earth plants (2025) → processing share 10%→30%.

China rare earth export share 80%→60% (2030), shifting to EV/wind power equipment exports.

6.2 Scenario 2: Congo Cobalt Mine Shutdown (3 Months)

6.2.1 Price Time Path

Pre-shutdown (Q1 2024): Market expectations drive 5% cobalt price hike (¥300k→¥315k/ton), hedge fund long positions +20%.(Figure 6)

ijemr_1813_06.PNG
Figure 6

Shutdown (Q2 2024): Monthly supply -0.5k tons → inventory 30k→25k tons → cobalt price +18% (¥354k/ton) in 1 month, +25% (¥375k/ton) in 3 months; nickel +12% (substitution).

Post-shutdown (Q3–Q4 2024): Monthly production recovery +0.2k tons → inventory 25k→30k tons → cobalt price -5%/month, back to ¥300k/ton in 6 months.

6.2.2 Downstream Industry Impacts

EV sector: Battery cost +3.75% → global EV enterprise cost +$5B (2024); VW/BMW cut cobalt-based battery capacity 10%, raise nickel-based capacity 15% → nickel demand +10% (2M→2.2M tons).

Cemented carbides: Cost +7.5% → 5% SME shutdowns, market share concentrated in Sandvik (Sweden).

Recycling: Cobalt price hike stimulates recycling → 2024 volume 12k→15k tons (+25%); Redwood Materials (U.S.) plans 20k tons recycling (2025, 10% of demand).

6.2.3 Supply Chain Adjustments

Chinese battery firms (CATL, BYD) invest $2B in Zambia/Canada cobalt mines → non-Congo procurement 30%→50% (2030).

EV firms raise cobalt inventory 3→6 months (Tesla: 5k→10k tons, 2024); adopt dynamic inventory (buy >¥350k/ton, sell <¥250k/ton).

7. Discussion

7.1 Theoretical and Practical Implications

7.1.1 Theoretical Contributions

Advances strategic mineral theory: Quantifies green technology-geopolitics-market links (EV-lithium elasticity=1.5, geopolitics-cobalt weight=30%).


Expands cross-market framework: Proposes "threshold effect" (crude >$80/barrel → lithium demand up) and "offset effect" (recycling cuts 15% lithium demand).

Innovates model synergy: Solves single-model flaws (ARIMA’s short-term error, LSTM’s long-term bias) with a hybrid framework.

7.1.2 Practical Value

Policymakers: 2030 lithium demand forecast (2.5M tons) supports China’s 1M-ton reserve target; Congo shutdown risk justifies 5k-ton cobalt reserves; carbon tariff impacts back rare earth recycling subsidies (¥10k/ton).

Investors: EV penetration-lithium firm market value link (10% penetration →30% value growth) guides long-term allocation; geopolitical monitoring (Congo elections) informs short-term futures positions.

Enterprises: Long-term cobalt supply agreements (¥300–350k/ton, 3–5 years) stabilize costs; nickel-based battery R&D mitigates substitution risks.

7.2 Limitations

Data gaps: Myanmar/Afghanistan rare earth data (5% global production) is opaque, leading to 5–8% regional forecast errors; long-term lithium recycling cost data is insufficient.

Model constraints: Fails to capture extreme events (2023 Chile drought cut lithium production 10%) or breakthroughs (2030 cobalt-free batteries →50% demand drop).

Scenario scope: Omits "tech breakthrough" (sodium batteries) and "financial turbulence" (Fed rate hikes) scenarios.

7.3 Future Research Directions

Data optimization: Integrate satellite remote sensing (mine production) and real-time data (EV sales); add "extreme climate frequency" and "tech breakthrough probability" variables.

Model upgrading: Combine Transformer (long-term tech cycles) and reinforcement learning (dynamic substitution simulation) to reduce extreme event errors.

Scenario expansion: Add "cobalt-free battery commercialization" and "global drought" scenarios; apply the model to regional forecasts (Southwest China lithium mine impacts).

8. Conclusions and Policy Recommendations

8.1 Core Conclusions

Demand trends: 2024–2030 lithium (+8.7%/year), cobalt (+3.8%/year, substitution-limited), rare earths (+6.9%/year); green technologies drive 75% lithium and 50% rare earth demand growth.

Price trends: Short-term volatility from geopolitics/policies (Congo shutdown →25% cobalt hike); medium-term stability from supply adjustments (Australian lithium mines →15% price drop); long-term balance from recycling/substitution.

Key risks: Supply concentration (Congo 70% cobalt) and policy uncertainty (EU carbon tariff) may trigger >30% price swings; tech breakthroughs (cobalt-free batteries) pose demand risks.

Model value: Hybrid framework outperforms single models in accuracy (short-term MAPE<8%, long-term accuracy>90%), supporting evidence-based decisions.

8.2 Targeted Recommendations

8.2.1 Policymakers

Strategic reserves: China reserves 5k tons cobalt +15k tons rare earths; EU reserves 20k tons lithium +8k tons rare earths; establish China-U.S.-EU reserve data sharing.

Green mining: China/Chile set standards (lithium wastewater ≤8 tons/ton, rare earth vegetation recovery ≥90%); subsidize compliant firms (25%→20% corporate tax); China invests ¥1B/year in lithium exploration (1M-ton reserve target).

Recycling industrialization: EU invests €500M/year, China ¥3B/year in subsidies (€500/ton lithium, ¥10k/ton rare earths); mandate 10% recycled lithium for battery firms by 2030.

8.2.2 Investors

Long-term allocation: Prioritize lithium (SQM, Pilbara Minerals) and rare earth firms (Northern Rare Earth, Lynas); avoid Congo cobalt firms (KCC) due to substitution risks.

Short-term monitoring: Track Congo elections, Chile lithium policies, EU carbon tariffs; go long if CNN model predicts >80% price hike probability, short if >75% drop probability.


Hedging strategy: Hold lithium stocks + sell lithium futures (1.2x price-stock correlation); buy cobalt futures + hold nickel stocks to offset substitution risks.

8.2.3 Enterprises

Supply chain diversification: CATL/LG Energy Solution raise non-Congo cobalt procurement to 50%; build lithium refineries in Argentina to reduce ore processing risks.

Inventory/capacity management: Adjust lithium inventory (3→6 months if <¥200k/ton, 2 months if >¥350k/ton); cut cobalt-based battery capacity to 40%, raise nickel-based to 40%.

Financial hedging: Allocate 5% of revenue to futures (60% cobalt procurement hedged); use EU carbon tariff arbitrage (local wind power plants →€20/ton tariff cut).

8.2.4 Regional Differentiation

China: Upgrade rare earth processing (99.9%→99.999% purity); expand EV/wind power exports (20%→35% share by 2030).

EU: Accelerate Portugal lithium refineries and Malaysia rare earth plants (20% local production, 30% processing by 2030); link carbon tariffs to recycled mineral use (20% tariff cut).

Congo/Chile: Allocate 30% mining tax to infrastructure (Congo cobalt railways, Chile lithium ports); mandate 60% local employment for mines.

8.3 Future Outlook

The strategic mineral market will evolve through green technology-demand growth and supply/tech risks. Lithium/rare earths will see rigid demand growth, while cobalt enters a peaking cycle. Stakeholders must:

Pursue global governance (G20 coordination) to avoid trade protectionism;

Prioritize ESG (mining firm ESG weight 20%→30%);

Accelerate innovation (sodium batteries, AI prospecting) to address scarcity.

The model provides a foundational tool for market decisions; future iterations will integrate real-time data and extreme scenarios to enhance adaptability.

References

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