How does a Voluntary Export Restraint (VER) differ from an import quota?

A VER is imposed by the importing country, while an import quota is self-imposed by the exporting country.

A VER decreases domestic prices, while an import quota increases them.

A VER is self-imposed by the exporting country, while an import quota is imposed by the importing country.

A VER increases government revenue, while an import quota does not.