He was a member of the Dutch Social Economic Council .
Van Praag was the founding president of the European Society for Population Economics ( ESPE ) , and co-editor of the Journal for Population Economics and Journal of Health Economics .
Van Praag was a president of the Dutch Social Economic Council .
Van Praag was the founding president of the European Society for Population Economics ( ESPE ) , and co-editor of the Journal for Population Economics and Journal of Health Economics .