Professor Robert James Sonora from Fort Lewis College, Durango, CO, USA gave six guest lectures during May 2014 on following courses: Croatian Economy, Development Economics and Environmental Economics on BDiB study programme. Topics of the lestures were: „Monetary policy“ and „Fiscal Policy“ on Croatian Economy course; „International Trade Theory and Development Strategy“ i „Balance of Payments, Debt, Financial Crisis, and Stabilization Policies“ on Development Economics course and „Water Pollution“ i „ Solid Wastes and Toxic Substances“ on Environmental Economics course.