The field of Strategic Management, or Business Policy, has as a primary mission the analysis of diversity. Recently, the field has shifted from an emphasis on the diversity of industry to firm level differences. This shift has had a profound impact on the discourse of practitioners whose...

In the US and elsewhere, shareholdings in corporations have become more concentrated in the hands of institutional investors. Paradoxically, the latter have not increased their power over management. But in the US a lively debate has begun on the topic of corporate governance. Michael Useem,...