Marks & Spencer launched a comprehensive approach to sustainability (reduction of waste, carbon emissions, fair trade) called Plan A. Is there provide a competitive advantage?

Marks & Spencer launched a comprehensive approach to sustainability (reduction of waste, carbon emissions, fair trade) called Plan A. Does it provide a competitive advantage?
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from
David E. Bell
Nitin Sanghavi,
Laura Winig
Source: Harvard Business School
23 pages.
Release Date: 5th January 2009. Prod #: 509029-PDF-ENG
Marks and Spencer: Plan A HBR case solution