DEFINITION 1: Measures of how economically resources/inputs (funds, expertise, time, etc.) are converted to results
SOURCE: Glossary of key terms in evaluation and results based management, Development Co-operation Directorate, OECD Publications, Paris, 2002.
DEFINITION 2: Measures how economically resources or inputs (such as funds, expertise and time) are converted to results. An initiative is efficient when it uses resources appropriately and economically to produce the desired outputs. Efficiency is important in ensuring that resources have been used appropriately and in highlighting more effective uses of resources.
SOURCE: Adapted from Handbook on planning, monitoring and evaluating for development results. United Nations Development Programme, NY, 2009
DEFINITION 3: The ratio of the output to the total input in a process.
SOURCE: SDMX content-oriented guidelines. Annex 4: Metadata common vocabulary, SDMX, 2009.
DEFINITION 4: Relationship between results achieved (output) and resources used (input).
SOURCE: ISO, 2000.
Glossary: quality in education and training, CEDEFOP, Luxembourg: Publications Office of the European Union, 2011.
RELATED TERMS: effectiveness