 Out-of-state guests would spend an additional $17.8 to $40.3 million, which would in turn create 193 to 333 new jobs in Hawaii primarily in the events and travel industries.The figures in the study were estimated based on a four-year period.A July 2013 study conducted by the University of Hawaii estimated an additional $217 million in visitor spending over the following three years if Hawaii legalized same-sex marriage.