UNIVERSITY OF FLORIDA principles of conservation with special reference to the South. Course designated to satisfy resource certification for social studies teachers. ES. 404.-Government Control of Business. 3 hours. 3 credits. Prerequi- site: ES. 205-206. Offered 1, 3. The evolution of economic control; an examination of the effectiveness of laissez- faire control in the American economy; legality of and chief methods of effectuating governmental control; the development of the relationship between government and non- public utility monopolies; Federal Trade Commission control of competitive practices; a critical appraisal of recent developments in the field of government control. ES. 407.-Economic Principles and Problems. 3 hours. 3 credits. Prere- quisite: ES. 205-206. Offered 1, 2, 3. An advanced course in economic theory, dealing especially with the theories of production, price determination, and income distribution and their application to a selected list of current economic problems. ES. 408.-Economic Principles and Problems. 3 hours. 3 credits. The sec- ond half of the course ES. 407-408. Offered 1, 2, 3. ES. 409.-Comparative Economic Systems. 3 hours. 3 credits. Offered 1. The economics of capitalism, socialism, communism, and fascism. The theoretical economics of capitalism, socialism, and communism and the actual economies of the United States, Soviet Russia, England, Nazi Germany, and Fascist Italy are compared on the basis of such matters as industrial production, agriculture, exchange, credit and banking, income distribution, the status of labor, and international trade. Marxian Socialism is also considered briefly. ES. 421.-Advanced Money and Banking. 3 hours. 3 credits. Prerequisite: ES. 321. Offered 2, 3. A continuation of ES. 321, concerned with a critical study of the relationships be- tween the Federal Reserve system, the money market, government finance, business fluc- tuations, and the internal and external value of money in the United States. ES. 429.-Introduction to Business Cycles. 3 hours. 3 credits. Prerequi- site: ES. 321. Offered 1, 2, 3. An introduction to the principal theories of the business cycle including also a description of the various types of cycles and an examination of the important remedies that have been proposed. ES. 441.-Financial Institutions and Fiscal Policies of Selected Latin- American Countries. 3 hours. 3 credits. Offered 2. The courses will include a study of the public finances and the money and banking of each of the following countries: Mexico, Cuba, Colombia, Peru, Argentina, Bolivia, and Brazil. ES. 449.-International Finance: Foreign Exchange. 3 hours. 3 credits. Prerequisites: ES. 205-206; and ES. 321. Offered 2. A study of the theoretical and practical aspects of foreign exchange. ES. 453.-Transport Regulation. 3 hours. 3 credits. Prerequisite: ES. 351. Offered 2. Analysis of the development and major problems of transport regulation. The statement "Offered 1" means offered first semester; 2, second semester; 3, summer session.