An introduction to economic sciences. Demand, supply and market. Demand and supply elasticities. Demand theory. An introduction to supply theory. Technology and costs. Perfect competition and monopoly. Imperfect competition: natural monopoly and monopolistic competition. Oligopoly. Resources and labour markets. Information and risk. Information and networks. An introduction to welfare economics. Industrial policy, natural monopoly, and competition policy. The economics of the public sector. Introduction to macroeconomics. National product and aggregate expenditure. Fiscal policy and international trade. Money and monetary policy. Goods and money markets. Monetary and fiscal policy. Aggregate supply and the adjustment to macroeconomic shocks. Inflation, expectations and credibility. Unemployment. Exchange rates and the balance of payments. Open economy macroeconomics. Economic growth and cycles. International trade. Exchange rate regimes. European integration. Poverty, development, and globalization.