How to measure the efficiency

1
How to measure the efficiency of a business model?
2
Situation
Reduction of efficiency of my company
Problem
Need to introduce a change process
Action
Immediate action to introduce a BPI or PBR ..
Possible strategies
Preliminary analysis of business process
Measure the efficiency of a business model is
necessary to know HOW, WHERE, WHEN to introduce
a change process within the company successfully
Proposal
3
Questions
Measure the efficiency of my business model
Goal
What organizational elements to consider for an
effective analysis of efficiency of business
process?
Question
4
Discussion
I created a specific model of evaluation of
efficiency of business process, focused on a core
idea, that I would like to share with you. But
before I want share with you some
questions because I would like to receive your
opinions or case studies, in according to your
experience. Question number 1 how to measure
the efficiency of a business model
effectively? I hope to receive feedback from
you! Thank you in advance for your attention