The Mystery of the Vanishing Benefits : An Introduction to Impact Evaluation

This article provides an introduction to the concepts and methods of impact evaluation. The author provides an intuitive explanation in the context of a concrete application. The article takes the form of a short story about a fictional character&#...

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Bibliographic Details
Main Author:	Ravallion, Martin
Format:	Journal Article
Language:	English en_US
Published:	Washington, DC: World Bank 2014
Subjects:	AGE GROUPS ALGEBRA ANTIPOVERTY PROGRAM BUDGETARY ALLOCATIONS CALCULATION CALL CASH PAYMENT CHILD LABOR COUNTERFACTUAL DEDUCTION DEMOGRAPHIC COMPOSITION EARNINGS ECONOMETRICS EDUCATIONAL ATTAINMENT EMPOWERMENT ENROLLMENT ENROLLMENT RATE ENROLLMENT RATES EQUATIONS EXCLUSION EXPENDITURES EXPERIMENTAL DATA FAMILIES FAMILY BUSINESS GIRLS HOUSEHOLD INCOME HOUSEHOLDS HYPOTHESES IMPACT EVALUATION IMPACT OF INTERVENTIONS INCOME INCOME GROUPS INSTRUMENTAL VARIABLES INTERNATIONAL BANK INTERVENTION INTERVENTIONS LABOR MARKET LEARNING LET LIVING STANDARDS LOW-INCOME FAMILIES MAXIMUM LIKELIHOOD ESTIMATION MEASUREMENT ERRORS MISSING DATA NONGOVERNMENTAL ORGANIZATIONS NONLINEAR MODELS OUTCOME INDICATORS PAPERS POVERTY INDICATORS PROBABILITIES PROBABILITY PROGRAM EVALUATION PROJECT MONITORING PROPENSITY SCORE MATCHING METHOD PUBLIC FINANCE RANDOM ERRORS RANDOMIZATION READING REASONING RECEIPTS REPRESENTATIVE SAMPLES SCHOOL ATTENDANCE SCHOOL-AGE CHILDREN SCHOOLING SCHOOLS SELECTION BIAS SOCIAL DEVELOPMENT SOCIAL POLICIES STANDARD ERRORS STATISTICIANS TARGETING TEACHERS TRAINING PROGRAMS
Online Access:	http://documents.worldbank.org/curated/en/2001/01/17736934/mystery-vanishing-benefits-introduction-impact-evaluation http://hdl.handle.net/10986/17218

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Summary:	This article provides an introduction to the concepts and methods of impact evaluation. The author provides an intuitive explanation in the context of a concrete application. The article takes the form of a short story about a fictional character's on-the-job training in evaluation. Ms. Speedy analyst is an economist in the Ministry of Finance in the fictional country of Labas. In the process of figuring out how to evaluate a human resource program targeted to the poor, Ms. Analyst learns the strengths and weaknesses of the main methods of ex post impact evaluation.

The Mystery of the Vanishing Benefits : An Introduction to Impact Evaluation

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