Workers protested those restrictions on Tuesday, saying they'd like to work Sundays because they get paid double. Meanwhile, companies say they're losing out to online merchants by not opening seven days a week. Economists say such restrictions cost France tremendous amounts of revenue, especially from tourists.There's more. French labor contracts are still too complicated and too stringent, many economists say. Access to many jobs, like driving a taxi, is still restricted by special licenses and Byzantine rules. The paperwork necessary to start a business is onerous.