Are the Free Trade Agreement (FTA), the Free Movement of Persons Agreement and the Schengen Agreement beneficial to keep Switzerland from join the EU? If joining the EU, will they have more political...

Are the Free Trade Agreement (FTA), the Free Movement of Persons Agreement and the Schengen Agreement beneficial to keep Switzerland from join the EU?

If joining the EU, will they have more political autonomy?

Is low tax rate attracting foreign enterprises in Switzerland? Will they loss business if joining the EU?