There are two articles in The Academy of Management Review, a prominent academic business-management journal, that address Rand's ethics. The first champions Rand. The second, a response to the first, is critical. The main topic is integrity.

1. Integrity in Organizations: Beyond Honesty and Conscientiousness, by Thomas E. Becker.
2. Objections to an Objectivist Approach to Integrity, by Bruce Barry and Carroll U. Stephens.

They can be read online with a free account at JSTOR after putting it on "your shelf."