<prompt> Translate the following text to EnglishMkutano wa kwanza wa utafiti wa posta na utoaji wa posta uliofanyika katika Chuo Kikuu cha Rutgers, Montreux, Uswisi, Juni 17, 1998.  <response>: Presented at the Sixth Conference on Postal and Delivery Economics The Center for Research in Regulated Industries at Rutgers University Montreux, Switzerland June 17-20, 1998 