Ritically appraise the need for change in management accounting practice in a contemporary business environment

Substantial innovation in the concept and application of management accounting has occurred over the last two decades. However, Scapens (1994; 2006) perceived a discontinuity between the theory and practice of management accounting and, together with Burns (2000), offered a model of susceptibility to new ideas.
You are about to enter a job market emerging from recession and in a business environment changed by the financial causes of that recession. In your role as an accountant, you are a potential agent of change.
Critically appraise the need for change in management accounting practice in a contemporary business environment that is becoming increasingly aware of the needs and implications of sustainable development, as well as the processes of enacting that change.