(iii) (c) Documents containing material obtained in confidence the disclosure of the results before the completion of the research would be reasonably likely to expose the public authority unreasonably to any disadvantage; or it is an examination paper, a paper submitted by a student in the course of an examination, an examiner’s report or similar document and the use or uses for which the document was prepared have not been completed. 33. (1) A document is an exempt document if its disclosure under this Act would divulge any information or matter communicated in confidence by or on behalf of a person or a Government to a public authority, and (a) the information would be exempt information if it were generated by a public authority; or (b) the disclosure of the information under this Act would be contrary to the public interest by reason that the disclosure would be reasonably likely to impair the ability of a public authority to obtain similar information in the future. (2) This section does not apply to information - Documents affecting national economy (a) acquired by a public authority from a business, commercial or financial undertaking; and (b) that relates to trade secrets or other matters of a business, commercial or financial nature. 34. (1) A document is an exempt document if its disclosure under this Act would be contrary to the public interest by reason that it would be reasonably likely to have an adverse effect on the national economy. (2) The kinds of documents to which subsection (1) may apply include, but are not restricted to, documents containing information relating to (a) currency or exchange rates; 29