the national and regional economic benefits of commercial navigation on snake river prepared by chrisman a dager tennessee valley authority knoxville mark l burton center for business research marshall university huntington west virginia june 30 1998 uthori tva fi r cber ha eprepared this report at request institufefor water resources however tile material analysis herein are those qf authors do not necessarily represent positions tj or jniversi 1 t contents troduction i volume natinal developnfent be fits from shepersav gs 3 summary findings 2 study parameters judgments assumptions 4 methods determining rates 7 savings to users 13 ii co elled rmlro 16 h compelled as source red models data estimation techniques 19 results 24 appendixes ned rate calculations handling transfer charges methodological rail