The impact of natural resources, energy consumption, and population growth on environmental quality: Fresh evidence from the United States of America

Science of the Total Environment

Volumn 754, Issue , 2021, Pages

  Khan, Irfan ^a   Hou, Fujun ^a   Le, Hoang Phong ^b  

^a BEIJING INSTITUTE OF TECHNOLOGY   (China)

^b UNIVERSITY OF ECONOMICS HO CHI MINH CITY   (Viet Nam)

Author keywords

Ecological footprint, CO2 emissions; Energy consumption; Natural resources; Population growth; United States

Indexed keywords

BUDGET CONTROL; CARBON DIOXIDE; DETERIORATION; ENERGY EFFICIENCY; ENERGY UTILIZATION; ENVIRONMENTAL IMPACT; LEAST SQUARES APPROXIMATIONS; METHOD OF MOMENTS; POPULATION STATISTICS; SUSTAINABLE DEVELOPMENT;

CO-INTEGRATION ANALYSIS; ECOLOGICAL FOOTPRINT; ENVIRONMENTAL QUALITY; GENERALIZED LINEAR MODEL; GENERALIZED METHOD OF MOMENTS; INVERSE RELATIONSHIP; RENEWABLE ENERGY CONSUMPTION; UNITED STATES OF AMERICA;

RENEWABLE ENERGY RESOURCES;

ALTERNATIVE ENERGY; CARBON DIOXIDE; CARBON EMISSION; ECOLOGICAL FOOTPRINT; ENERGY EFFICIENCY; ENERGY USE; ENVIRONMENTAL QUALITY; LIFESTYLE; NATURAL RESOURCE; POPULATION GROWTH;

ARTICLE; BUDGET; CALCULATION; CARBON FOOTPRINT; CLIMATE CHANGE; ENERGY CONSUMPTION; ENVIRONMENTAL IMPACT ASSESSMENT; GENERALIZED METHOD OF MOMENTS; K NEAREST NEIGHBOR; LEAST SQUARE ANALYSIS; LIFESTYLE; MATHEMATICAL ANALYSIS; NATURAL RESOURCE; NON RENEWABLE ENERGY; POPULATION DENSITY; POPULATION GROWTH; PRIORITY JOURNAL; RENEWABLE ENERGY; SUBURBAN AREA; UNITED STATES; URBAN AREA;

UNITED STATES;

EID: 85090414843     PISSN: 00489697     EISSN: 18791026     Source Type: Journal    
DOI: 10.1016/j.scitotenv.2020.142222     Document Type: Article

References (104)

1. Ahmad, A., Zhao, Y., Shahbaz, M., Bano, S., Zhang, Z., Wang, S., Liu, Y., Carbon emissions, energy consumption and economic growth: an aggregate and disaggregate analysis of the Indian economy. Energy Policy 96 (2016), 131–143, 10.1016/j.enpol.2016.05.032.
2. Ahmadov, A.K., van der Borg, C., Do natural resources impede renewable energy production in the EU? A mixed-methods analysis. Energy Policy 126 (2019), 361–369, 10.1016/j.enpol.2018.11.044.
3. Ahmed, Z., Asghar, M.M., Malik, M.N., Nawaz, K., Moving towards a sustainable environment: the dynamic linkage between natural resources, human capital, urbanization, economic growth, and ecological footprint in China. Res. Policy, 67, 2020, 101677, 10.1016/j.resourpol.2020.101677.
4. Ahmed, Z., Zafar, M.W., Ali, S., Danish, Linking urbanization, human capital, and the ecological footprint in G7 countries: an empirical analysis. Sustain. Cities Soc., 55, 2020, 102064, 10.1016/j.scs.2020.102064.
5. Al-Mulali, U., Ozturk, I., The effect of energy consumption, urbanization, trade openness, industrial output, and the political stability on the environmental degradation in the MENA (Middle East and north African) region. Energy 84 (2015), 382–389, 10.1016/j.energy.2015.03.004.
6. Al-Mulali, U., Weng-Wai, C., Sheau-Ting, L., Mohammed, A.H., Investigating the environmental Kuznets curve (EKC) hypothesis by utilizing the ecological footprint as an indicator of environmental degradation. Ecol. Indic. 48 (2015), 315–323, 10.1016/j.ecolind.2014.08.029.
7. Alola, A.A., Bekun, F.V., Sarkodie, S.A., Dynamic impact of trade policy, economic growth, fertility rate, renewable and non-renewable energy consumption on ecological footprint in Europe. Sci. Total Environ. 685 (2019), 702–709, 10.1016/j.scitotenv.2019.05.139.
8. Altıntaş, H., Kassouri, Y., Is the environmental Kuznets curve in Europe related to the per-capita ecological footprint or CO2 emissions?. Ecol. Indic., 113, 2020, 10.1016/j.ecolind.2020.106187.
9. Arshad Ansari, M., Haider, S., Khan, N.A., Environmental Kuznets curve revisited: an analysis using ecological and material footprint. Ecol. Indic., 115, 2020, 106416, 10.1016/j.ecolind.2020.106416.
10. Aslan, A., Destek, M.A., Okumus, I., Bootstrap rolling window estimation approach to analysis of the environment Kuznets curve hypothesis: evidence from the USA. Environ. Sci. Pollut. Res. 25 (2018), 2402–2408, 10.1007/s11356-017-0548-3.
11. Auty, R.M., How natural resources affect economic development. Dev. Policy Rev. 18 (2000), 347–364, 10.1111/1467-7679.00116.
12. Aye, G.C., Edoja, P.E., Effect of economic growth on CO2 emission in developing countries: evidence from a dynamic panel threshold model. Cogent Econ. Financ. 5 (2017), 1–22, 10.1080/23322039.2017.1379239.
13. Badeeb, R.A., Lean, H.H., Shahbaz, M., Are too many natural resources to blame for the shape of the environmental Kuznets curve in resource-based economies?. Res. Policy, 68, 2020, 101694, 10.1016/j.resourpol.2020.101694.
14. Balsalobre-Lorente, D., Shahbaz, M., Roubaud, D., Farhani, S., How economic growth, renewable electricity and natural resources contribute to CO2 emissions?. Energy Policy 113 (2018), 356–367, 10.1016/j.enpol.2017.10.050.
15. Baum, C.F., Schaffer, M.E., Stillman, S., Instrumental variables and GMM: estimation and testing. Stata J. Promot. Commun. Stat. Stata 3 (2003), 1–31, 10.1177/1536867x0300300101.
16. Begum, R.A., Sohag, K., Abdullah, S.M.S., Jaafar, M., CO2 emissions, energy consumption, economic and population growth in Malaysia. Renew. Sust. Energ. Rev. 41 (2015), 594–601, 10.1016/j.rser.2014.07.205.
17. Berkeley, T.L.K., The Paradox of Plenty: Oil Booms and Petro-States. 1997, Univ. Calif. Press, 342, 10.1111/j.1478-9302.2011.00241_3.x.
18. Bildirici, M.E., The causal link among militarization, economic growth, CO2 emission, and energy consumption. Environ. Sci. Pollut. Res. 24 (2017), 4625–4636, 10.1007/s11356-016-8158-z.
19. BP-Statistics, BP statistical review of world energy. JAMA J. Am. Med. Assoc. 69 (2019), 1–68, 10.1001/jama.1973.03220300055017.
20. C2ES, Center for Climate and Energy Solutions, Renewable Energy. https://www.c2es.org/content/renewable-energy/, 2019.
21. Catton, W.R., Dunlap, R.E., A new ecological paradigm for post-exuberant sociology. Am. Behav. Sci. 24 (1980), 15–47, 10.1177/000276428002400103.
22. Charfeddine, L., The impact of energy consumption and economic development on ecological footprint and CO2 emissions: evidence from a Markov switching equilibrium correction model. Energy Econ. 65 (2017), 355–374, 10.1016/j.eneco.2017.05.009.
23. Chen, D.D., Gao, W.S., Chen, Y.Q., Zhang, Q., Ecological footprint analysis of food consumption of rural residents in China in the latest 30 years. Agric. Agric. Sci. Procedia 1 (2010), 106–115, 10.1016/j.aaspro.2010.09.013.
24. Chen, H., Zhang, X., Wu, R., Cai, T., Revisiting the environmental Kuznets curve for city-level CO2 emissions: based on corrected NPP-VIIRS nighttime light data in China. J. Clean. Prod., 268, 2020, 121575, 10.1016/j.jclepro.2020.121575.
25. Cheng, Z., Li, L., Liu, J., Natural resource abundance, resource industry dependence and economic green growth in China. Res. Policy, 68, 2020, 101734, 10.1016/j.resourpol.2020.101734.
26. Cole, M.A., Rayner, A.J., Bates, J.M., The environmental Kuznets curve: an empirical analysis. Environ. Dev. Econ. 2 (1997), 401–416, 10.1017/S1355770X97000211.
27. Daly, H.E., Toward some operational principles of sustainable development. Ecol. Econ. 2 (1990), 1–6, 10.1016/0921-8009(90)90010-R.
28. Danish, Baloch, M.A., Dynamic linkages between road transport energy consumption, economic growth, and environmental quality: evidence from Pakistan. Environ. Sci. Pollut. Res. 25 (2018), 7541–7552, 10.1007/s11356-017-1072-1.
29. Danish, Baloch, M.A., Mahmood, N., Zhang, J.W., Effect of natural resources, renewable energy and economic development on CO 2 emissions in BRICS countries. Sci. Total Environ. 678 (2019), 632–638, 10.1016/j.scitotenv.2019.05.028.
30. Danish, Hassan, S.T., Baloch, M.A., Mahmood, N., Zhang, J.W., Linking economic growth and ecological footprint through human capital and biocapacity. Sustain. Cities Soc., 47, 2019, 101516, 10.1016/j.scs.2019.101516.
31. Danish, Ulucak, R., Khan, S.U.D., Determinants of the ecological footprint: role of renewable energy, natural resources, and urbanization. Sustain. Cities Soc., 54, 2020, 101996, 10.1016/j.scs.2019.101996.
32. de S. Mendonça, A.K., de Andrade Conradi Barni, G., Moro, M.F., Bornia, A.C., Kupek, E., Fernandes, L., Hierarchical modeling of the 50 largest economies to verify the impact of GDP, population and renewable energy generation in CO2 emissions. Sustain. Prod. Consum. 22 (2020), 58–67, 10.1016/j.spc.2020.02.001.
33. Destek, M.A., Sinha, A., Renewable, non-renewable energy consumption, economic growth, trade openness and ecological footprint: evidence from organisation for economic co-operation and development countries. J. Clean. Prod., 242, 2020, 118537, 10.1016/j.jclepro.2019.118537.
34. Destek, M.A., Ulucak, R., Dogan, E., Analyzing the environmental Kuznets curve for the EU countries: the role of ecological footprint. Environ. Sci. Pollut. Res. 25 (2018), 29387–29396, 10.1007/s11356-018-2911-4.
35. Dicky-Fuller, Distribution of the estimators for autoregressive time series with a unit root. J. Am. Stat. Assoc. 74 (1997), 427–431, 10.1080/01621459.1979.10482531.
36. Dogan, E., Turkekul, B., CO2 emissions, real output, energy consumption, trade, urbanization and financial development: testing the EKC hypothesis for the USA. Environ. Sci. Pollut. Res. 23 (2016), 1203–1213, 10.1007/s11356-015-5323-8.
37. Dogan, E., Ulucak, R., Kocak, E., Isik, C., The use of ecological footprint in estimating the environmental Kuznets curve hypothesis for BRICST by considering cross-section dependence and heterogeneity. Sci. Total Environ., 723, 2020, 138063, 10.1016/j.scitotenv.2020.138063.
38. Dong, K., Hochman, G., Zhang, Y., Sun, R., Li, H., Liao, H., CO2 emissions, economic and population growth, and renewable energy: empirical evidence across regions. Energy Econ. 75 (2018), 180–192, 10.1016/j.eneco.2018.08.017.
39. Dutter, R., Algorithms for the Huber estimator in multiple regression. Computing 18 (1977), 167–176, 10.1007/BF02243626.
40. Ehrilich, P.R., Holdren, J.P., Human appropriation of the products of photosynthesis. Science (80-. ). 36 (1986), 368–373.
41. EIA, What is U.S. Electricity Generation by Energy Source?. 2019.
42. EIA, U. S. Energy-Related Carbon Dioxide Emissions, 2018. 2019, U.S. Department of Energy, Washington, DC 20585.
43. Freedman, B., Global environmental change. Glob. Environ. Chang., 2014, 1–973, 10.1007/978-94-007-5784-4.
44. Galli, A., Lin, D., Wackernagel, M., Gressot, M., Global, S.W., Brief for GSDR 2015 Humanity's Growing Ecological Footprint: Sustainable Development Implications. 2015.
45. GFN, Working Guidebook to the National Footprint Accounts. 2018.
46. Granger, R.F.E., C.W.J, Co-integration and error correction: representation, estimation. Econometrica 55 (1987), 251–276.
47. Hansen, L.P., Large sample properties of generalized method of moments estimators. Econometrica1 50 (1982), 1029–1054.
48. Hassan, S.T., Xia, E., Khan, N.H., Shah, S.M.A., Economic growth, natural resources, and ecological footprints: evidence from Pakistan. Environ. Sci. Pollut. Res. 26 (2019), 2929–2938, 10.1007/s11356-018-3803-3.
49. Hussain, J., Khan, A., Zhou, K., The impact of natural resource depletion on energy use and CO2 emission in Belt & Road Initiative countries: a cross-country analysis. Energy, 199, 2020, 117409, 10.1016/j.energy.2020.117409.
50. Johansen, Estimation and hypothesis testing of cointegration vectors in Gaussian vector autoregressive models. JEconometrica 59 (1991), 1551–1580, 10.1017/CBO9781107415324.004.
51. Johansen, A Statistical Analysis of Cointegration for I (2) Variables. vol. 11, 1995, Cambridge Univ. Press, 25–59.
52. Keeble, B.R., Report of the World Commission on Environment and Development: Our Common Future, Medicine and War. 1987, 10.1080/07488008808408783.
53. Khan, A., Chenggang, Y., Hussain, J., Bano, S., Nawaz, A., Nexus : A Simultaneity Modeling Analysis of BRI Countries. vol. 68, 2020, Resour. Policy, 101751, 10.1016/j.resourpol.2020.101751.
54. Khan, M.K., Khan, M.I., Rehan, M., The relationship between energy consumption, economic growth and carbon dioxide emissions in Pakistan. Financ. Innov. 6 (2020), 1–13, 10.1186/s40854-019-0162-0.
55. Kwiatkowski, D., Phillips, P.C.B., Schmidt, P., Shin, Y., Testing the null hypothesis of stationarity against the alternative of a unit root. How sure are we that economic time series have a unit root?. J. Econ. 54 (1992), 159–178, 10.1016/0304-4076(92)90104-Y.
56. Li, G., Zakari, A., Tawiah, V., Does environmental diplomacy reduce CO2 emissions? A panel group means analysis. Sci. Total Environ., 722, 2020, 137790, 10.1016/j.scitotenv.2020.137790.
57. Markham, V.D., U.S. population energy and climate change. Cent. Environ. Popul., 2008, 1–28.
58. Meadows, D.H., Meadows, D.L., Randers, J., Behrens, W.W., The limits to growth. The Limits to Travel, 1972, 10.4324/9781849773119.
59. Mohamed, H., Ben Jebli, M., Ben Youssef, S., Renewable and fossil energy, terrorism, economic growth, and trade: evidence from France. Renew. Energy 139 (2019), 459–467, 10.1016/j.renene.2019.02.096.
60. Monfreda, C., Wackernagel, M., Deumling, D., Establishing national natural capital accounts based on detailed ecological footprint and biological capacity assessments. Land Use Policy 21 (2004), 231–246, 10.1016/j.landusepol.2003.10.009.
61. Mrabet, Z., AlSamara, M., Hezam Jarallah, S., The impact of economic development on environmental degradation in Qatar. Environ. Ecol. Stat. 24 (2017), 7–38, 10.1007/s10651-016-0359-6.
62. Muhammad, B., Energy consumption, CO2 emissions and economic growth in developed, emerging and Middle East and North Africa countries. Energy 179 (2019), 232–245, 10.1016/j.energy.2019.03.126.
63. Munir, Q., Lean, H.H., Smyth, R., CO2 emissions, energy consumption and economic growth in the ASEAN-5 countries: a cross-sectional dependence approach. Energy Econ., 85, 2020, 104571, 10.1016/j.eneco.2019.104571.
64. Mushtaq, M., Zaman, K., Irfan, D., Awan, U., Triangular relationship among energy consumption, air pollution and water resources in Pakistan. J. Clean. Prod., 2015, 1–11, 10.1016/j.jclepro.2015.01.094.
65. Nelder-Wedderburn, Generalized linear models. Blackwell Publ. R. Stat. Soc. 135 (1972), 370–384, 10.1007/978-3-642-21551-3__24.
66. Omri, A., Daly, S., Rault, C., Chaibi, A., Financial development, environmental quality, trade and economic growth: what causes what in MENA countries. Energy Econ. 48 (2015), 242–252, 10.1016/j.eneco.2015.01.008.
67. Perron, The Great Crash, the Oil Price Shock, and the Unit Root Hypothesis Author (S): Pierre Perron Reviewed Work (S). vol. 57, 1989, Econom. Soc. Stable, 1361–1401.
68. Perron, International evidence on breaking trend functions in macroeconomic variables. J. Econ. 80 (1997), 355–385.
69. Phillips, P.C.B., Perron, P., Testing for a unit root in time series regression. Biometrika (Printed Gt. Britain) 75 (1988), 335–346, 10.1093/biomet/75.2.335.
70. Rabab, S., Zaman, K., Mushtaq, M., Ahmad, M., Energy for economic growth, industrialization, environment and natural resources : living with just enough. Renew. Sust. Energ. Rev. 25 (2013), 580–595, 10.1016/j.rser.2013.05.024.
71. Rauf, A., Liu, X., Amin, W., Rehman, O.U., Li, J., Ahmad, F., Victor Bekun, F., Does sustainable growth, energy consumption and environment challenges matter for belt and road initiative feat? A novel empirical investigation. J. Clean. Prod., 262, 2020, 121344, 10.1016/j.jclepro.2020.121344.
72. Rees, W., Wackernagel, M., Urban ecological footprints: why cities cannot be sustainable - and why they are a key to sustainability. Environ. Impact Assess. Rev. 16 (1996), 223–248, 10.1016/S0195-9255(96)00022-4.
73. Rees, W.E., Ecological footprints and appropriated carrying capacity: what urban economics leaves out. Environ. Urban. 4 (1992), 121–130, 10.1177/095624789200400212.
74. Sachs, J.D., Warner, A.M., Natural Resource Abundance and Economic Growth. 1995, National Bureau Of Economic Research, Cambridge, MA 021381.
75. Saleem, N., Shujah-ur-Rahman, Z.J., The impact of human capital and biocapacity on environment: environmental quality measure through ecological footprint and greenhouse gases. J. Pollut. Eff. Control, 07, 2019, 12, 10.35248/2375-4397.19.7.237.
76. Shafik, N., Economic development and environmental quality: an econometric analysis. Oxf. Econ. Pap. 46 (1994), 757–773, 10.1093/oep/46.Supplement_1.757.
77. Sharif, A., Baris-Tuzemen, O., Uzuner, G., Ozturk, I., Sinha, A., Revisiting the role of renewable and non-renewable energy consumption on Turkey's ecological footprint: evidence from Quantile ARDL approach. Sustain. Cities Soc., 57, 2020, 102138, 10.1016/j.scs.2020.102138.
78. Sher, H., Hussain, F., Ethnobotanical evaluation of some plant resources in Northern part of Pakistan. African J. Biotechnol. 8 (2009), 4066–4076.
79. Solarin, S.A., Al-Mulali, U., Influence of foreign direct investment on indicators of environmental degradation. Environ. Sci. Pollut. Res. 25 (2018), 24845–24859, 10.1007/s11356-018-2562-5.
80. Solarin, S.A., Bello, M.O., Persistence of policy shocks to an environmental degradation index: the case of ecological footprint in 128 developed and developing countries. Ecol. Indic. 89 (2018), 35–44, 10.1016/j.ecolind.2018.01.064.
81. Stock, J.H., Watson, M.W., Variable trends in economic time series. J. Econ. Perspect. 2 (1988), 147–174, 10.1257/jep.2.3.147.
82. Sustainability-Indicators, “U.S. Environmental Footprint Factsheet.” Pub. No. CSS08–08. 2019, Center for Sustainable Systems, University of Michigan 2019.
83. Thomakos, D.D., Alexopoulos, T.A., Carbon intensity as a proxy for environmental performance and the informational content of the EPI. Energy Policy 94 (2016), 179–190, 10.1016/j.enpol.2016.03.030.
84. Toth, G., Szigeti, C., The historical ecological footprint: from over-population to over-consumption. Ecol. Indic. 60 (2016), 283–291, 10.1016/j.ecolind.2015.06.040.
85. Tran, N. Van, Tran, Q. Van, Do, L.T.T., Dinh, L.H., Do, H.T.T., Trade off between environment, energy consumption and human development: Do levels of economic development matter?. Energy 173 (2019), 483–493, 10.1016/j.energy.2019.02.042.
86. Uddin, G.A., Salahuddin, M., Alam, K., Gow, J., Ecological footprint and real income: panel data evidence from the 27 highest emitting countries. Ecol. Indic. 77 (2017), 166–175, 10.1016/j.ecolind.2017.01.003.
87. Udemba, E.N., Jo the author hereby declares that there is no form of funding received for this study. Of. Sci. Total Environ., 2020, 139270, 10.1016/j.scitotenv.2020.139270.
88. Ulucak, R., Apergis, N., Does convergence really matter for the environment? An application based on club convergence and on the ecological footprint concept for the EU countries. Environ. Sci. Pol. 80 (2018), 21–27, 10.1016/j.envsci.2017.11.002.
89. Union of Concerned Scientists, Climate Change in the United States: The Prohibitive Costs of Inaction. 2009.
90. Visser, W., Brundtland, G.H., Our Common Future (‘the Brundtland Report’): World Commission on Environment and Development: United Nations. 1987, Oxford Univ. Press, New York, 52–55, 10.9774/gleaf.978-1-907643-44-6_12.
91. Vitousek, P.M., Ehrlich, P.R., Ehrlich, A.H., Matson, P.A., Of the appropriation products of Photosynthes used directly, co-opted, or foregone because of human activities., 36, 2012, 368–373.
92. Vougas, D.V., GLS detrending and unit root testing. Econ. Lett. 97 (2007), 222–229, 10.1016/j.econlet.2007.03.016.
93. Wasti, S.K.A., Zaidi, S.W., An empirical investigation between CO2 emission, energy consumption, trade liberalization and economic growth: a case of Kuwait. J. Build. Eng., 28, 2020, 101104, 10.1016/j.jobe.2019.101104.
94. Wood, R., Garnett, S., An assessment of environmental sustainability in northern Australia using the ecological footprint and with reference to indigenous populations and remoteness. Ecol. Econ. 68 (2009), 1375–1384, 10.1016/j.ecolecon.2008.09.008.
95. WorldAtlas, Countries with the Most Natural Resources. 2018.
96. World-Bank, World Development Report. 2019.
97. World Bank, Annual Report 2017 End Extreme Poverty • Boost Shared Prosperity. 2017.
98. WorldWildlifeFund, EU Overshoot Day - Living Beyond Nature's Limits. 2019.
99. Yahaya, A., Nor, N.M., Habibullah, M.S., Ghani, J.A., Noor, Z.M., How relevant is environmental quality to per capita health expenditures? Empirical evidence from panel of developing countries. Springerplus, 5, 2016, 10.1186/s40064-016-2505-x.
100. Yong-xiang, Z., Qing-chen, C., Qiu-hong, Z., Lei, H., ScienceDirect the withdrawal of the U. S. from the Paris agreement and its impact on global climate change governance. Adv. Clim. Chang. Res. 8 (2017), 213–219, 10.1016/j.accre.2017.08.005.
101. Youssef, A. Ben, El, M., Arouri, H., Henni, H.M., Youssef, A. Ben, El, M., Arouri, H., Henni, H.M., Rault, C., Analysis, E., Empirical Analysis of the EKC Hypothesis for SO2 Emissions in Selected Middle East and North African Countries to Cite This Version : HAL Id : hal-01082259 Empirical Analysis of the EKC Hypothesis for SO2 Emissions in Selected Middle East and North Africa. 2014.
102. Zafar, M.W., Zaidi, S.A.H., Khan, N.R., Mirza, F.M., Hou, F., Kirmani, S.A.A., The impact of natural resources, human capital, and foreign direct investment on the ecological footprint: the case of the United States. Res. Policy, 63, 2019, 101428, 10.1016/j.resourpol.2019.101428.
103. Zeb, R., Salar, L., Awan, U., Zaman, K., Shahbaz, M., Causal links between renewable energy, environmental degradation and economic growth in selected SAARC countries: Progress towards green economy. Renew. Energy 71 (2014), 123–132, 10.1016/j.renene.2014.05.012.
104. Zivot-Andrews, Further evidence on the great crash, the oil-price shock, and the unit-root hypothesis. J. Bus. Econ. Stat. 10 (1992), 251–270, 10.1080/07350015.1992.10509904.