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Do economic complexity and energy consumption affect environmental performance? Evidence based on the LCC hypothesis in the Türkiye economy Cover

Do economic complexity and energy consumption affect environmental performance? Evidence based on the LCC hypothesis in the Türkiye economy

By: Selin Dinçer and  Fatih Akın  
Open Access
|Dec 2025

Figures & Tables

Figure 1:

Empirical Analysis Diagram
Empirical Analysis Diagram

FADL Cointegration Test Results

Dep. var.Indep. var.kMin_AICFourier ADL test statistic
lnLCFlnGDP, lnGDP2, lnECI, lnEU4−4.454−6.137***

Long-Term Estimator Results

Dep. Var. : lnLCFFMOLSDOLSCCR
lnGDP−3.278 (0.002)***−2.875 (0.030)**−3.097 (0.014)**
lnGDP20.177 (0.002)***0.155 (0.024)**0.170 (0.011)**
lnECI−0.135 (0.004)***−0.151 (0.011)**−0.132 (0.020)**
lnEU−0.838 (0.000)***−0.824 (0.000)***−0.914 (0.000)***
C20.488 (0.000)***18.559 (0.000)***19.994 (0.000)***
SIN0.008 (0.031)**0.008 (0.114)0.008 (0.057)*
COS−0.001 (0.743)−0.001 (0.762)−0.001 (0.998)
ECTt−1−0.839 (0.000)***−0.816 (0.000)***−0.829 (0.000)***

Fourier ADF and Standard ADF unit root test results

FADFADF

VariablesFrequency (k)FADF Test StatisticF Test StatisticI(0)I(1)
lnLCF1−1.9721.6611.036 (0.660)−5.971 (0.000)***
lnGDP30.1154.6520.257 (0.971)−4.799 (0.000)***
lnGDP230.5495.1140.398 (0.979)−4.742 (0.000)***
lnECI5−1.3942.634−2.045 (0.267)−7.580 (0.000)***
lnEU1−1.8411.464−0.962 (0.752)−4.725 (0.000)***

Variables and Descriptive Statistics

VariablesAbbreviationMeasurement UnitSource
Load Capacity FactorlnLCFBiocapacity/ecological footprint (per capita in gha)Global Footprint Network
Economic GrowthlnGDPGDP per capita, constant 2015 US$World Bank
Economic Growth SquaredlnGDP2Quadratic form of economic growthCalculated by the authors.
Economic Complexity IndexlnECIIndex value between −2.5 and +2.5Atlas of Economic Complexity
Energy ConsumptionlnEUPrimary energy consumption per capita (kWh/person)International Energy Agency

Descriptive Statistics

lnLCFlnGDPlnGDP2lnECIlnEU

Mean−0.6209.06782.3020.1837.244
Median−0.6589.03681.6420.1997.265
Maximum−0.3659.59792.0930.3787.547
Minimum−0.8288.62074.306−0.0206.906
Std. Dev.0.1580.3045.5250.1040.207
Skewness0.2160.1360.169−0.259−0.044
Kurtosis1.4811.6891.7082.2731.572
Jarque-Bera3.0132.1652.1570.9622.474
Probability0.2220.3390.3400.6180.290
Observations2929292929
DOI: https://doi.org/10.2478/rsep-2025-0011 | Journal eISSN: 2547-9385 | Journal ISSN: 2149-9276
Language: English
Page range: 21 - 30
Submitted on: Oct 18, 2025
Accepted on: Nov 19, 2025
Published on: Dec 31, 2025
Published by: BC Group
In partnership with: Paradigm Publishing Services
Publication frequency: 2 issues per year

© 2025 Selin Dinçer, Fatih Akın, published by BC Group
This work is licensed under the Creative Commons Attribution-NonCommercial 4.0 License.