Answer:
Increase in the estimated life of depreciable assets
Opinion of third parties
Step-by-step explanation:
If management reports truthfully, the economic events that are likely to prompt the following accounting changes are an increase in the estimated life of depreciable assets.
The features of accounting, that would make it costly for dishonest managers to make the same changes without any corresponding economic changes is auditing.
Auditiors are the third parties which provide a clean account of the financial statement of the company, therefore if the changes in the accounting policy are consistent with economic changes, the audits will not provide a clean account of the financial statement