The contributions mentioned in the text are:
Henriques, S. T., & Sharp, P. (2021). Without coal in the age of steam and dams in the age of electricity: An explanation for the failure of Portugal to industrialize before the Second World War. European Review of Economic History, 25(1), 85–105. https://doi.org/10.1093/ereh/heaa003
Felício, L., Henriques, S. T., Guevara, Z., & Sousa, T. (2024). From electrification to decarbonization: Insights from Portugal’s experience (1960–2016). Renewable and Sustainable Energy Reviews, 198, 114419. https://doi.org/10.1016/j.rser.2024.114419