Prof Roula Inglesi-Lotz

Prof Roula Inglesi-Lotz

South Africa

University of Pretoria


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Work and Research

Associate Professor in the Department of Economics,I am the first president of the South African Association for Energy Economics (SAAEE), which was established in 2018 and is comprised of esteemed energy experts in the country. Among my accomplishments, I was named the Distinguished Young Woman Researcher in the Humanities and Social Sciences category of the 2017 DST Women in Science Awards.I am an NRF Y-1 rated researcher and also an elected member of the South African Young Academy of Science (SAYAS) and the Global Young Academy (GYA), both providing platforms for young to contribute towards solutions to national and global challenges facing society.

Fields Of Expertise

Energy and Environmental Economics
Energy Policy
Climate Change

Publication list


55.       Bohlmann, J., Inglesi-Lotz, R. 2018. “Analysing the South African residential sector's energy profile: An evolution and international comparison exercise”. Renewable and Sustainable Energy Reviews, 96, 240-252.

54.       Cai, Y., Chang, T., Inglesi-Lotz, R. 2018. “Asymmetric persistence in convergence for carbon dioxide emissions based on Quantile Unit root test with Fourier Function”. Energy, 161, 470-481.

53.       Inglesi-Lotz, R., Hakimi, A., Pouris, A. 2018. “Patents vs Publications and R&D: three sides of the same coin? Panel Smooth Transition Regression (PSTR) for OECD and BRICS countries”. Applied Economics. 50 (45),4912-4923.

52.       Lin, J., Inglesi-Lotz, R., Chang, T. 2018. “Revisiting CO2 emissions convergence in G18 countries”. Energy sources Part B: Economics, Planning and Policy, 13 (5), 269-280.

51.       Moutinho, V., Da Silva-Madaleno, M.T., Inglesi-Lotz, R., Dogan, E. 2018. “Factors affecting CO2 emissions in Top Countries on Renewable Energies: A LMDI decomposition application”. Renewable and Sustainable Energy Reviews, 90, 605-622.

50.       Inglesi-Lotz, R., Dogan, E. 2018. “The role of renewable versus non-renewable energy to the level of CO2 emissions A panel analysis of Sub- Saharan Africa's Big 10 electricity generators”. Renewable Energy, 123, 36-43.

49.       Lin, F.L., Inglesi-Lotz, R., Chang, T. 2018. “Revisit coal consumption, CO2 Emissions and Economic Growth in China and India Using a Newly Developed Bootstrap ARDL Bound Test”. Energy Exploration and Exploitation, 36(3), 450-463.

48.       Inglesi- Lotz, R. 2018, “Decomposing the South African CO2 emissions within a BRICS countries context: Signalling potential energy rebound effects”. Energy, 147, 648-654.



47.       Zhang, X., Chu, H-P., Chang, T., Inglesi-Lotz, R. 2017. “Revisiting Coal Consumption and Output Nexus in China and India: A Frequency Domain Approach”. Energy sources Part B: Economics, Planning and Policy, 12 (11), 1015-1021.

46.       Chen, Y., Inglesi-Lotz, R., Chang, T. 2017. “Revisiting the asymmetric causal link between energy consumption and output in China: Focus on coal and oil consumption”. Energy sources Part B: Economics, Planning and Policy, 12(11), 992-1000.  

45.       Pouris, A., Inglesi-Lotz, R. 2017. “The contribution of copyright and related-rights-based industries to the South African economy”. South African Journal of Science, 113(11/12), 1-7. 

44.       Gupta, R., Inglesi-Lotz, R., Muteba Mwaba, J. 2017. “Electricity demand in South Africa: Is it Asymmetric?”. OPEC Energy reviews, 41 (3), 226- 238.

43.       Dogan, E., Inglesi-Lotz, R. 2017. “Analyzing the effects of real income and biomass energy consumption on carbon dioxide (CO2) emissions: Empirical evidence from the panel of biomass-consuming countries”. Energy, 138, 721-727.

42.       Weideman, J., Inglesi-Lotz, R., van Heerden, J. 2017. “Structural Breaks in Renewable Energy in South Africa:  A Bai & Perron Break Test Application”. Renewable and Sustainable Energy Reviews, 78, 945-954. 

41.       Inglesi-Lotz, R. 2017. “Social Rate of Return to R&D on Various Energy Technologies: Where Should We Invest More? A Study of G7 Countries”. Energy Policy, 101, 521-523.

40.       Chang, T., Deale, F.W., Gupta, R., Hefer, R., Inglesi-Lotz, R. and Simo-Kengne, B.D., 2017. “The causal relationship between coal consumption and economic growth in the BRICS countries: Evidence from panel-Granger causality tests”. Energy sources Part B: Economics, Planning and Policy, 12, 2, 138-146.


39.       Dlamini, J., Balcilar, M., Gupta, R., Inglesi-Lotz, R. 2016. “Revisiting the causality between energy consumption and economic growth in South Africa: A bootstrap rolling-window approach”.  Energy sources Part B: Economics, Planning and Policy, 11(7), 617-625.

38.       Inglesi-Lotz, R., Gupta, R., 2016. “Detection of multiple bubbles in South African electricity prices”. Energy Sources Part B: Economics, Planning and Policy, 11 (7), 637-642.

37.       Inglesi-Lotz, R. and Pouris, A. 2016. “On the causality and determinants of energy and electricity consumption in South Africa: A review”. Energy Sources, Part B:  Economics, Planning, and Policy, 11(7), 626-636.

36.       Bohlmann, J.A., Bohlmann, H.R., Inglesi-Lotz, R., van Heerden, J., 2016. “An Economy-Wide Evaluation of New Power Generation in South Africa: The Case of Kusile and Medupi. Energy Policy, 97, 450-460.

35.       Chang, T. Gupta, R., Inglesi-Lotz, R., Masabala, L.S., Simo-Kengne, B.D., Weideman, J.P. 2016. “The causal relationship between natural gas consumption and economic growth: Evidence from the G7 countries”. Applied Economics Letters, 23(1), 38-46.

34.       Hatemi-J,,A. Ajmi, A.N. El Montasser, G., Inglesi-Lotz, R. and Gupta, R., 2016. “Research Output and Economic Growth in G7 Countries: New Evidence from Asymmetric Panel Causality Testing”. Applied Economics, 48(24), 2301-2308.

33.       Blignaut, J., Mander, M., Inglesi-Lotz, R., Glavan, J., and Parr, S, 2016. “The amenity value of Abu Dhabi’s coastal and marine resources to its beach visitors”. Ecosystem services, 19, 32-41.

32.       Inglesi-Lotz, R. 2016. “The Impact of Renewable energy consumption to economic welfare: A panel data application”. Energy Economics, 53, 58-63.

31.       Nakurumyango, A., Inglesi-Lotz, R., 2016. “South Africa's performance on renewable energy and its relative position against the OECD countries and the rest of Africa”. Renewable and Sustainable Energy Reviews, 56: 999-1007.


30.       Dlamini, J., Balcilar, M., Gupta, R., Inglesi-Lotz, R. 2015. “Revisiting the causality between electricity consumption and economic growth in South Africa: A bootstrap rolling-window approach”. International Journal of Economic Policy in Emerging Economics, 8(2), 169-190.

29.       Chang, T., Gupta, R., Inglesi-Lotz, R., Simo-Kengne, B.D., Smithers, D., Trembling, A.B., 2015. “Renewable Energy and Growth: Evidence from Heterogeneous panel of G7 countries using Granger Causality”. Renewable and Sustainable Energy Reviews, 52, 1405-1412.

28.       El-Montasser, G., Inglesi-Lotz, R., Gupta, R., 2015. “Convergence of Greenhouse Gas emissions among G7 countries”. Applied Economics, 47(60), 6543- 6552.

27.       Inglesi-Lotz, R., Blignaut, J.N., Weideman, J.P., 2015. “Sectoral electricity elasticities in South Africa: Before and after the electricity supply crisis of 2008”. South African Journal of Science, 111(9/10), 1-7.

26.       Ntuli, H., Inglesi-Lotz, R., Chang, T., Pouris, A., 2015. “Does research output cause economic growth or vice versa? Evidence from 34 OECD countries”. Journal of the Association for Information Science and Technology, 66(8), 1709-1716.

25. Inglesi-Lotz, R., Chang, T., Gupta, R. 2015. “Causality between research output and economic growth in BRICS”. Quality and Quantity, 49(1), 167-176.

24.       Chang, T., Gadinabokao, O., Gupta, R., Inglesi-Lotz, R., Kanniah, P., Simo-Kengne, B.D., 2015. “Panel Granger causality between oil consumption and GDP: Evidence from BRICS countries”. International Journal of Sustainable Economy, 7(1), 30-41.


23. Inglesi-Lotz, R. 2014. “The sensitivity of the South African industrial sector’s electricity consumption to electricity price fluctuations”. Journal of Energy in Southern Africa, 25(4), 2-9

22. Balcilar, M., Van Eyden, R., Inglesi-Lotz, R., Gupta, R., 2014. “Time-varying linkages between tourism receipts and economic growth”. Applied Economics, 46(36), 4381-4398.

21. Inglesi-Lotz, R., Van Eyden, R., du Toit, C. 2014. “The evolution and contribution of technological progress to the South African economy: Growth accounting and Kalman Filter application”.  Applied Econometrics and International Development, 14(1), 175-191.

20.       Chang, T., Gatwabuyege, F., Gupta, R., Inglesi-Lotz, R., Manjezi, N.C., Simo-Kengne, B.D. 2014. “Causal relationship between nuclear energy consumption and economic growth in G7 countries: Evidence from panel Granger causality tests”. Progress in Nuclear Energy 77, 187-193.

19.       Inglesi-Lotz, R., Balcilar, M., Gupta, R., 2014. “Time-Varying Causality between Research Output and Economic Growth in US”. Scientometrics, 100, 203-216

18.       Seymore, R., Inglesi-Lotz, R., Blignaut, J.N. 2014. “Greenhouse gas emissions inventory for South Africa: A comparative analysis”. Renewable and Sustainable Energy Reviews, 34, 371-379.

17.       Pouris, A., Inglesi-Lotz, R., 2014. “The contribution of Higher Education Institutions to the South African economy”. South African Journal of Science, 110 (3/4), 1-5.

16.       Cowan, W., Chang, T., Inglesi-Lotz, R., Gupta, R. 2014. “The nexus of electricity consumption, economic growth and CO2 emissions in the BRICS countries”. Energy Policy, 66, 359-368.

15.       Inglesi-Lotz, R. Blignaut, J.N. 2014. “Improving the electricity efficiency in South Africa through a benchmark-and-trade system”. Renewable and Sustainable Energy Reviews, 30, 833-840.


14.       Inglesi-Lotz, R., Gupta, R. 2013. “House prices and inflation in South Africa”. International Journal of Strategic Property Management, 17 (2), 188-198.

13.       Inglesi-Lotz, R., Pouris, A. 2013. “The influence of scientometric research output of academics on economic growth in South Africa: An autoregressive distributed lag (ARDL) application” Scientometrics, 95, 129-139.


12.       Gupta, R., Inglesi-Lotz, R. 2012. “Macro shocks and real US stock prices with special focus on the “Great recession”. Applied econometrics and International Development. 12-2, 123-136.

11.       Peretti, V., Gupta, R., Inglesi-Lotz, R. 2012. “Do house prices impact consumption and interest rate in South Africa? Evidence from a time-varying Vector Autoregressive Model”. Economics, Management, and Financial Markets, 7(4), 25-45.

10.       Inglesi-Lotz, R., Blignaut, J.N. 2012. “Estimating the opportunity cost of water for the Kusile and Medupi coal-fired electricity power plants in South Africa”. Journal of Energy in Southern Africa 23(4), 76-84.

9.         Inglesi-Lotz, R., Blignaut, J.N., 2012. “Electricity intensities of the OECD and South Africa: A comparison”. Renewable and Sustainable Energy Reviews (16), 4491-4499.

8.         Inglesi-Lotz, R., Pouris, A. 2012. “Energy efficiency in South Africa: a decomposition exercise” Energy 42 (1), 113-120.


7.         Inglesi-Lotz, R., Blignaut, J.N., 2011. “South Africa’s electricity consumption: A sectoral decomposition analysis”. Applied Energy 88 (12), 4779-4784.

6.         Inglesi-Lotz, R., Blignaut, J.N. 2011. “Estimating the price elasticity of demand for electricity by sector in South Africa”. South African Journal of Economic and Management Sciences  14 (4), 449-465.

5.         Inglesi-Lotz, R. Pouris, A. 2011. “Scientometric impact assessment of a research policy instrument: The case of rating researchers”. Scientometrics 88(3), 747-760.

4.         Inglesi-Lotz, R. 2011. “Evolution of price elasticity demand in South Africa A Kalman filter application”.  Energy Policy 39(6), 3690-3696.


3.         Inglesi, R. 2010. “Aggregate Electricity demand in South Africa: Conditional forecasts to 2030”. Applied Energy 87(1), 197-204.

2.         Inglesi, R., Pouris, A. 2010. “Forecasting electricity demand in South Africa: A critique of Eskom’s projections”. South African Journal of Science 106(1/2), 1-4.



1.               Inglesi, R. Pouris,A. 2008. “Where are our universities going? 20 years later”. South African Journal of Science 104(9/10), 345-348.