SWISS-ERLAND

The answers to the clues below involve things Swiss. Wordplay is fair play.

1. Cheesy old Swiss movie star Garson
2. Swiss squealing tires
3. End of a Swiss oath taken before testifying
4. Creation hypothesis underlying the Swiss economy

Answers:

1. Gruyere Garson
2. Bern rubber
3. "So Alp me God."
4. Big Bank Theory