Thatcher was an admirer of Hoskyns, writing in her autobiography that "John's background was in business and computers; but over and above that experience, he had strong powers of analysis and had helped formulate our economic strategy in Opposition.
Thatcher greatly respected Hoskyns, noting in her memoirs that "John's expertise lay in business and computing, yet his exceptional analytical skills also enabled him to contribute significantly to our economic policy formulation during the time we were in opposition."