The Portuguese Budgetary Costs with First World War: A Comparative Perspective
Ricardo Ferraz
European Review Of Economic History, vol. 27, 2023, p. 278-301.

The Financial Costs of the Portuguese Colonial War, 1961-1974: Analysis and Applied Study
Ricardo Ferraz
Revista De Historia Economica, vol. 40, 2022, p. 243-272.

The Portuguese Military Expenditure from a Historical Perspective
Ricardo Ferraz
Defence and Peace Economics, vol. 33, 2022, p. 347-365.

The Sustainability of Portuguese Fiscal Policy in the Period of the Estado Novo, 1933-1974
Ricardo Ferraz
Journal of European Economic History, vol. 46, 2017, p. 37-68.