<prompt> Translate the following text to SwahiliAn economic analysis of a policy compares the world with the policy the policy scenario to the world absent the policy the reference case or baseline scenario.  <response>: Uchambuzi wa kiuchumi wa sera unalinganisha ulimwengu na sera hali ya sera na ulimwengu bila sera hali ya kumbukumbu au hali ya msingi. 