Develop our understanding of the overall economic impact of a tourism levy, recognising an aggregate view may be challenging given the proposed discretionary nature of the power.
Meithrin dealltwriaeth o effaith economaidd gyffredinol ardoll twristiaeth, gan gydnabod y gall safbwynt cyfunol fod yn her o ystyried natur ddisgresiynol arfaethedig y pŵer.