Economics and war.--War debts, external and internal.--Hungary in 1925.--The trend of prices.--The structure and policies of the federal reserve system--The concentration of wealth and its meaning.--Personal and impersonal taxation.--Depreciation and rate control.--The Sherman act and the new anti-trust legislation.--Some limitations of the value concept.--Jevon's "Theory of political economy".--The trend of economics, as seen by some American economists.--The measurement of changes of the general price level.--Fisher's "The making of index numbers."