(18)Eligible investment assets should include real assets with a value of more than EUR 10 000 000 that generate an economic and social benefit. Such assets include infrastructure, intellectual property, vessels, equipment, machinery, aircraft or rolling stock, and immovable property. Investments in commercial property or housing should be permitted to the extent that they serve the purpose of contributing to smart, sustainable and inclusive growth or to the Union's energy, regional and cohesion policies. Investments in such immovable property should be clearly documented so as to demonstrate the long-term commitment in the property. This Regulation is not seeking to promote speculative investments.