Economists have a mixed record on this front.
Times, Sunday Times
But ministerial comebacks have a mixed record.
Times, Sunday Times
The former had a mixed record.
The Times Literary Supplement
Mergers have a famously mixed record, both in terms of disrupting the business and destroying shareholder value.
Times, Sunday Times
Ethical investment has had a mixed record since the first funds were created in the 1980s.
Times, Sunday Times