On Political Economy and Econometrics: Essays in Honor of Oskar Lange is a commemorative publication to celebrate the achievements of Polish economist and diplomat Oscar Lange. The book is a collection of papers that tackles various issues in economy. The coverage of the text includes articles that deal with economic problems and concerns, such as the problem of monetary liquidity; research on the measures of inequality and concentration; and consumer's sovereignty in a planned economy. The book also presents materials about various methods employed in managing economy, such as stochastic linear programming and its application to economic planning; the application of statistical and mathematical methods in studies of the allocation of productive powers; and on the control of production and investment in socialism. The text will be of great interest to economists, sociologists, political scientists, and game theorists.