This article describes a cost analysis of an employment programme available to people claiming incapacity benefits in the UK. The NDDP was delivered locally by contracted providers called ‘job brokers’. The cost analysis found great variation among job brokers' costs and profitability, much...

The theories of human capital and internal labor markets are used to analyze teacher mobility. With data for the San Diego school system, we find that (1) since teaching assignments within school systems do not differ in terms of salary, internal mobility of teachers is governed by such...

Background:This article describes eight flaws that occur in impact evaluations.Method:The eight flaws are grouped into four categories on how they affect impact estimates: statistical imprecision; biases; failure of impact estimates to measure effects of the planned treatment; and flaws that...

An important source of errors in transfer payments programs is the fraudulent misreporting of earnings received by recipients. We propose a model of the recipient's decision to report income and the expected penalties if caught engaging in fraud. We discuss several features of the detection and...

When evaluating a pilot or demonstration program, there are risks from drawing inferences from a single test. This paper reviews the experiences of replication efforts from demonstrations using randomized controlled trials in the initial evaluation and the replications. Although replications of...

Background:Impact evaluations draw their data from two sources, namely, surveys conducted for the evaluation or administrative data collected for other purposes. Both types of data have been used in impact evaluations of social programs.Objective:This study analyzes the causes of differences in...

This report has been produced with the primary aim of informing cost benefit estimates within the Cost-Benefit Framework (CBF). The Department for Work and Pensions CBF is a guidance document for the production of cost-benefit information. The research consisted of two components: a literature...

Of welfare-to-work programs evaluated by random assignment, two stand out as having exceptionally large estimated effects: one in Riverside, California, and the other in Portland, Oregon. The authors use data from 24 evaluations and the tools of meta-analysis to examine why. The findings...