The article discusses how to choose the best development projects when resources are limited. It explains how to evaluate projects based on economic feasibility and social goals. The use of market and shadow prices in analyzing social benefits is highlighted. Key components of an economic framework are identified, and three evaluation criteria are discussed: Benefit-Cost Ratio, Internal Rate of Return, and Net Present Value. Sensitivity analysis for project uncertainties is emphasized. The importance of developing skills for project evaluation in each sector is also stressed.