“…He argued that there has been a per capita decrease in national wealth throughout this period. Boissevain (1883Boissevain ( , 1891Boissevain ( , 1909Boissevain ( , 1910 and Stuart (1888) were the first to provide somewhat reliable estimations of aggregate wealth for the 1880s and 1890s by relying on the estate multiplier method.…”