While the banks do have more capacity to address individual mortgage arrears cases due to their recent recapitalisation, this is not an unlimited source of funds and even a conservative stress test would be undermined by poorly judged changes to this fundamentally important legal framework.
Moreover, when using Big data, special attention should be paid to the robustness and stability of the estimates over time. The second challenge is privacy. Protecting the integrity and confidentiality of personal data is of paramount importance to our societies. Storing personal data in digital repositories belonging to public and private institutions can be risky.