The university also published a Sustainable Purchasing Policy in 2007, which outlines specific aims meant to embed sustainability into the entire array of the institution's purchasing activities. Finally, NTU also acknowledged its responsibility to operate in an ethical manner and claims to take into account social, environmental and ethical considerations in all of its activities, including financial investment. The university's Treasury Management Policy includes a separate section on Ethical Investment, which states that "investments shall only be made with institutions with a clear and transparent Ethical Investment Policy which reflect the university's ethical values".