Unified tax rules can hardly contribute to trade liberalisation. A diversity of tax systems is not a roadblock for free trade. Quite the opposite, differences in tax systems might serve as a stimulus to trade. Taxes constitute a significant share of costs and a large share of the price of factors of production, labour in particular.

It is estimated that even though the sharing-economy now contributes only EUR 28 billion to the EU economy per year it can grow to up to EUR 572 billion per year. In order to use as much potential as possible, both the EU and its Member States have to implement a regulatory model that is flexible and applicable to different business models.