If you need immediate assistance, call 877-SSRNHelp (877 777 6435) in the United States, or +1 212 448 2500 outside of the United States, 8:30AM to 6:00PM U.S. Eastern, Monday - Friday.
Johan Vikström
Uppsala University
Box 513
Uppsala, 751 20
Sweden
IFAU - Institute for Labour Market Policy Evaluation