Time-Frequency Nexus between Tourism Development, Economic Growth, Energy Consumption, and Ecological Footprint in Singapore





Ecological footprint, Tourism development, Economic growth, Energy consumption, Singapore


Singapore has been listed as one of the top-visited countries and has the highest ecological deficit. Despite the abundance of previous studies, the distinction between short, medium, and long term by decomposing tourism development, economic growth, energy consumption, and ecological footprint has been largely ignored. This study aims to investigate the lead-lag nexus structures between ecological footprint and Singapore's economic activities from 1978 to 2016. By adopting the wavelet analysis and scale-by-scale Granger causality test, the outcomes show that energy consumption positively impacts ecological footprint at high frequencies, while tourism and economic growth positively drive ecological footprint at high and medium frequencies. We also find that the positive impact of macroeconomic variables on ecological footprint has not been evident since 2003. Additionally, the wavelet-based Granger test confirms a bi-directional causal between economic growth and ecological footprint at all frequencies, whilst there is a bi-directional relationship between tourism, energy consumption, and ecological footprint at high frequency. Based on these findings, the research may further strengthen the belief of Singapore’s policy-makers on the promotion of tourism and suggests some helpful lessons for emerging countries.


Adebayo, T. S., & Odugbesan, J. A. (2021). Modeling CO2 emissions in South Africa: empirical evidence from ARDL based bounds and wavelet coherence techniques. Environ Sci Pollut Res Int, 28(8), 9377-9389. https://doi.org/10.1007/s11356-020-11442-3

Adedoyin, F. F., Nathaniel, S., & Adeleye, N. (2020). An investigation into the anthropogenic nexus among consumption of energy, tourism, and economic growth: do economic policy uncertainties matter? Environmental Science and Pollution Research. https://doi.org/10.1007/s11356-020-10638-x

Ahmed, Z., Zafar, M. W., Ali, S., & Danish. (2020). Linking urbanization, human capital, and the ecological footprint in G7 countries: An empirical analysis. Sustainable Cities and Society, 55, 102064. https://doi.org/10.1016/j.scs.2020.102064

Ahmed, Z., Zhang, B., & Cary, M. (2021). Linking economic globalization, economic growth, financial development, and ecological footprint: Evidence from symmetric and asymmetric ARDL. Ecological Indicators, 121, 107060. https://doi.org/10.1016/j.ecolind.2020.107060

Al-Mulali, U., Saboori, B., & Ozturk, I. (2015). Investigating the environmental Kuznets curve hypothesis in Vietnam. Energy Policy, 76, 123-131. https://doi.org/10.1016/j.enpol.2014.11.019

Alola, A. A., Bekun, F. V., & Sarkodie, S. A. (2019). Dynamic impact of trade policy, economic growth, fertility rate, renewable and non-renewable energy consumption on ecological footprint in Europe. Science of the Total Environment, 685, 702-709. https://doi.org/10.1016/j.scitotenv.2019.05.139

Andrés, L., & Padilla, E. (2018). Driving factors of GHG emissions in the EU transport activity. Transport Policy, 61, 60-74. https://doi.org/10.1016/j.tranpol.2017.10.008

Awan, A., Abbasi, K. R., Rej, S., Bandyopadhyay, A., & Lv, K. (2022). The impact of renewable energy, internet use and foreign direct investment on carbon dioxide emissions: A method of moments quantile analysis. Renewable Energy, 189, 454-466. https://doi.org/10.1016/j.renene.2022.03.017

Azam, M., Mahmudul Alam, M., & Haroon Hafeez, M. (2018). Effect of tourism on environmental pollution: Further evidence from Malaysia, Singapore and Thailand. Journal of Cleaner Production, 190, 330-338. https://doi.org/10.1016/j.jclepro.2018.04.168

Baz, K., Xu, D., Ali, H., Ali, I., Khan, I., Khan, M. M., & Cheng, J. (2020). Asymmetric impact of energy consumption and economic growth on ecological footprint: Using asymmetric and nonlinear approach. Science of the Total Environment, 718. https://doi.org/10.1016/j.scitotenv.2020.137364

Bello, M. O., Solarin, S. A., & Yen, Y. Y. (2018). The impact of electricity consumption on CO2 emission, carbon footprint, water footprint and ecological footprint: The role of hydropower in an emerging economy. Journal of Environmental Management, 219, 218-230. https://doi.org/10.1016/j.jenvman.2018.04.101

Bölük, G., & Mert, M. (2014). Fossil & renewable energy consumption, GHGs (greenhouse gases) and economic growth: Evidence from a panel of EU (European Union) countries. Energy, 74, 439-446. https://doi.org/10.1016/j.energy.2014.07.008

Brida, J. G., Cortes-Jimenez, I., & Pulina, M. (2014). Has the tourism-led growth hypothesis been validated? A literature review. Current Issues in Tourism, 19(5), 394-430. https://doi.org/10.1080/13683500.2013.868414

Chen, Y., Wang, Z., & Zhong, Z. (2019). CO2 emissions, economic growth, renewable and non-renewable energy production and foreign trade in China. Renewable Energy, 131, 208-216. https://doi.org/10.1016/j.renene.2018.07.047

Chen, Y., Zhao, J., Lai, Z., Wang, Z., & Xia, H. (2019). Exploring the effects of economic growth, and renewable and non-renewable energy consumption on China’s CO2 emissions: Evidence from a regional panel analysis. Renewable Energy, 140, 341-353. https://doi.org/10.1016/j.renene.2019.03.058

Croes, R., Ridderstaat, J., Bąk, M., & Zientara, P. (2021). Tourism specialization, economic growth, human development and transition economies: The case of Poland. Tourism Management, 82. https://doi.org/10.1016/j.tourman.2020.104181

Destek, M. A., & Sinha, A. (2020). Renewable, non-renewable energy consumption, economic growth, trade openness and ecological footprint: Evidence from organisation for economic Co-operation and development countries. Journal of Cleaner Production, 242. https://doi.org/10.1016/j.jclepro.2019.118537

Dogan, E., & Aslan, A. (2017). Exploring the relationship among CO2 emissions, real GDP, energy consumption and tourism in the EU and candidate countries: Evidence from panel models robust to heterogeneity and cross-sectional dependence. Renewable and Sustainable Energy Reviews, 77, 239-245. https://doi.org/10.1016/j.rser.2017.03.111

Dogan, E., Seker, F., & Bulbul, S. (2017). Investigating the impacts of energy consumption, real GDP, tourism and trade on CO2 emissions by accounting for cross-sectional dependence: A panel study of OECD countries. Current Issues in Tourism, 20(16), 1701-1719. https://doi.org/10.1080/13683500.2015.1119103

Erdogan, S., & Okumus, I. (2021). Stochastic and club convergence of ecological footprint: An empirical analysis for different income group of countries. Ecological Indicators, 121. https://doi.org/10.1016/j.ecolind.2020.107123

Footprintnetwork.org. (2021). Ecological deficit/reserve. https://data.footprintnetwork.org/

Godil, D. I., Sharif, A., Rafique, S., & Jermsittiparsert, K. (2020). The asymmetric effect of tourism, financial development, and globalization on ecological footprint in Turkey. Environmental Science and Pollution Research, 27(32), 40109-40120. https://doi.org/10.1007/s11356-020-09937-0

Gokmenoglu, K. K., & Eren, B. M. (2019). The role of international tourism on energy consumption: empirical evidence from Turkey. Current Issues in Tourism, 23(9), 1059-1065. https://doi.org/10.1080/13683500.2019.1574723

Gössling, S., Hansson, C. B., Hörstmeier, O., & Saggel, S. (2002). Ecological footprint analysis as a tool to assess tourism sustainability. Ecological Economics, 43(2-3), 199-211. https://doi.org/10.1016/S0921-8009(02)00211-2

Gössling, S., & Peeters, P. (2015). Assessing tourism's global environmental impact 1900–2050. Journal of Sustainable Tourism, 23(5), 639-659. https://doi.org/10.1080/09669582.2015.1008500

Hassan, S. T., Xia, E., Khan, N. H., & Shah, S. M. A. (2019). Economic growth, natural resources, and ecological footprints: evidence from Pakistan. Environmental Science and Pollution Research, 26(3), 2929-2938. https://doi.org/10.1007/s11356-018-3803-3

Hung, N. T. (2022). Time–frequency nexus between globalization, financial development, natural resources and carbon emissions in Vietnam. Economic Change and Restructuring. https://doi.org/10.1007/s10644-022-09391-7

Islam, F., Shahbaz, M., Ahmed, A. U., & Alam, M. M. (2013). Financial development and energy consumption nexus in Malaysia: A multivariate time series analysis. Economic Modelling, 30, 435-441. https://doi.org/10.1016/j.econmod.2012.09.033

Katircioglu, S., Gokmenoglu, K. K., & Eren, B. M. (2018). Testing the role of tourism development in ecological footprint quality: evidence from top 10 tourist destinations. Environmental Science and Pollution Research, 25(33), 33611-33619. https://doi.org/10.1007/s11356-018-3324-0

Katircioğlu, S. T. (2014). Testing the tourism-induced EKC hypothesis: The case of Singapore. Economic Modelling, 41, 383-391. https://doi.org/10.1016/j.econmod.2014.05.028

Khan, I., & Hou, F. (2020). The dynamic links among energy consumption, tourism growth, and the ecological footprint: the role of environmental quality in 38 IEA countries. Environmental Science and Pollution Research. https://doi.org/10.1007/s11356-020-10861-6

Khan, M. T. I., Yaseen, M. R., & Ali, Q. (2019). Nexus between financial development, tourism, renewable energy, and greenhouse gas emission in high-income countries: A continent-wise analysis. Energy Economics, 83, 293-310. https://doi.org/10.1016/j.eneco.2019.07.018

Khoi, N. H., Le, N. H., & Ngoc, B. H. (2021). The effect of tourism development on the ecological footprint in Singapore: evidence from asymmetric ARDL method. Current Issues in Tourism, 25(15), 2500-2517. https://doi.org/10.1080/13683500.2021.1971165

Koçak, E., Ulucak, R., & Ulucak, Z. Ş. (2020). The impact of tourism developments on CO2 emissions: An advanced panel data estimation. Tourism Management Perspectives, 33. https://doi.org/10.1016/j.tmp.2019.100611

Kongbuamai, N., Bui, Q., Yousaf, H., & Liu, Y. (2020). The impact of tourism and natural resources on the ecological footprint: a case study of ASEAN countries. Environmental Science and Pollution Research, 27(16), 19251-19264. https://doi.org/10.1007/s11356-020-08582-x

Kongbuamai, N., Zafar, M. W., Zaidi, S. A. H., & Liu, Y. (2020). Determinants of the ecological footprint in Thailand: the influences of tourism, trade openness, and population density. Environmental Science and Pollution Research, 27(32), 40171-40186. https://doi.org/10.1007/s11356-020-09977-6

Lenzen, M., Sun, Y.-Y., Faturay, F., Ting, Y.-P., Geschke, A., & Malik, A. (2018). The carbon footprint of global tourism. Nature Climate Change, 8(6), 522-528. https://doi.org/10.1038/s41558-018-0141-x

Lin, B., & Moubarak, M. (2014). Renewable energy consumption – Economic growth nexus for China. Renewable and Sustainable Energy Reviews, 40, 111-117. https://doi.org/10.1016/j.rser.2014.07.128

Nathaniel, S., & Khan, S. A. R. (2020). The nexus between urbanization, renewable energy, trade, and ecological footprint in ASEAN countries. Journal of Cleaner Production, 272, 122709. https://doi.org/10.1016/j.jclepro.2020.122709

Ngoc, B. H., & Awan, A. (2021). Does financial development reinforce ecological footprint in Singapore? Evidence from ARDL and Bayesian analysis. Environ Sci Pollut Res Int, 29(16), 24219-24233. https://doi.org/10.1007/s11356-021-17565-5

Paramati, S. R., Alam, M. S., & Chen, C.-F. (2016). The effects of tourism on economic growth and CO2 emissions: A comparison between developed and developing economies. Journal of Travel Research, 56(6), 712-724. https://doi.org/10.1177/0047287516667848

Paramati, S. R., Shahbaz, M., & Alam, M. S. (2017). Does tourism degrade environmental quality? A comparative study of Eastern and Western European Union. Transportation Research Part D: Transport and Environment, 50, 1-13. https://doi.org/10.1016/j.trd.2016.10.034

Peeters, P., & Dubois, G. (2010). Tourism travel under climate change mitigation constraints. Journal of Transport Geography, 18(3), 447-457. https://doi.org/10.1016/j.jtrangeo.2009.09.003

Shahzad, U., Fareed, Z., Shahzad, F., & Shahzad, K. (2021). Investigating the nexus between economic complexity, energy consumption and ecological footprint for the United States: New insights from quantile methods. Journal of Cleaner Production, 279. https://doi.org/10.1016/j.jclepro.2020.123806

Sharif, A., Baris-Tuzemen, O., Uzuner, G., Ozturk, I., & Sinha, A. (2020). Revisiting the role of renewable and non-renewable energy consumption on Turkey’s ecological footprint: Evidence from Quantile ARDL approach. Sustainable Cities and Society, 57. https://doi.org/10.1016/j.scs.2020.102138

Sharpley, R. (2000). Tourism and sustainable development: Exploring the theoretical divide. Journal of Sustainable Tourism, 8(1), 1-19. https://doi.org/10.1080/09669580008667346

Solarin, S. A., & Bello, M. O. (2020). Energy innovations and environmental sustainability in the U.S.: The roles of immigration and economic expansion using a maximum likelihood method. Sci Total Environ, 712, 135594. https://doi.org/10.1016/j.scitotenv.2019.135594

Torrence, C., & Compo, G. P. (1998). A Practical Guide to Wavelet Analysis. Bulletin of the American Meteorological Society, 79(1), 61-78. https://doi.org/10.1175/1520-0477(1998)079<0061:APGTWA>2.0.CO;2

Torrence, C., & Webster, P. J. (1999). Interdecadal Changes in the ENSO–Monsoon System. Journal of Climate, 12(8), 2679-2690. https://doi.org/10.1175/1520-0442(1999)012<2679:ICITEM>2.0.CO;2

Ulucak, R., & Lin, D. (2017). Persistence of policy shocks to Ecological Footprint of the USA. Ecological Indicators, 80, 337-343. https://doi.org/10.1016/j.ecolind.2017.05.020

Usman, M., Kousar, R., & Makhdum, M. S. A. (2020). The role of financial development, tourism, and energy utilization in environmental deficit: evidence from 20 highest emitting economies. Environmental Science and Pollution Research, 27(34), 42980-42995. https://doi.org/10.1007/s11356-020-10197-1

Usman, M., Kousar, R., Yaseen, M. R., & Makhdum, M. S. A. (2020). An empirical nexus between economic growth, energy utilization, trade policy, and ecological footprint: a continent-wise comparison in upper-middle-income countries. Environmental Science and Pollution Research, 27(31), 38995-39018. https://doi.org/10.1007/s11356-020-09772-3

World Travel & Tourism Council. (2020). Economic Impact Reports - Singapore. https://wttc.org/Research/Economic-Impact/moduleId/704/itemId/200/controller/DownloadRequest/action/QuickDownload

Zafar, M. W., Zaidi, S. A. H., Khan, N. R., Mirza, F. M., Hou, F., & Kirmani, S. A. A. (2019). The impact of natural resources, human capital, and foreign direct investment on the ecological footprint: The case of the United States. Resources Policy, 63. https://doi.org/10.1016/j.resourpol.2019.101428

Zhang, L., & Gao, J. (2016). Exploring the effects of international tourism on China's economic growth, energy consumption and environmental pollution: Evidence from a regional panel analysis. Renewable and Sustainable Energy Reviews, 53, 225-234. https://doi.org/10.1016/j.rser.2015.08.040




How to Cite

Ngoc, B. H., & Hai, L. M. (2022). Time-Frequency Nexus between Tourism Development, Economic Growth, Energy Consumption, and Ecological Footprint in Singapore. Journal of Reviews on Global Economics, 11, 22–32. https://doi.org/10.6000/1929-7092.2022.11.03