Cheng Hsiao, Yan Shen, Boqing Wang, and Greg Weeks, "Evaluating the Impacts of Washington State Repeated Job Search Services on the Earnings of Prime-age Female TANF Recipients", Journal of Applied Econometrics, Vol. 22, No. 2, 2007, pp. 453-475. The data used in this paper are the property of the State of Washington, United States, and they do not permit open access. Hence the data cannot be lodged here. The data are administrative data that records information about each welfare recipients between 1997 to 2000. The list of variables and code book may be available from the State of Washington, United States. The list of variables only shows the order of variables and number of digits for each variable. In other words, the dataset does not include variable names, and the variables have to be identified personally. The file data-description.pdf provides some further information about the datasets that were used.