the economic impact of travel on maryland counties 2005 a study prepared for office tourism development by research department industry association washington dc november 2006 preface this was conducted tia provides preliminary and 2004 estimates domestic international traveler expenditures in as well employment payroll income federal state local tax revenue directly generated these multiplier spending is also included additionally county table contents introduction 1 executive summary 2 us economy overview 3 9 11 13 15 17 19 tables 21 appendices 27 appendix