Dr. James E. CURTIS, JR. Study on Differences in Wealth, Evidence from Structural Regression De composition, 1850-1870. Modern Perspectives in Economics, Business and Management Vol. 9, [S. l.], p. 1–18, 2021. DOI: 10.9734/bpi/mono/978-93-5547-010-2/CH1. Disponível em: https://stm.bookpi.org/MPEBM-V9/article/view/3899. Acesso em: 13 jun. 2026.