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Data Envelopment Analysis (DEA). Identifying Efficient Decision Making Units. Measuring Service Productivity Branch Bank Example. 1. ACCOUNTING RATIO : COST PER TELLER TRANSACTION HIGHER RATIO WOULD BE INEFFICIENT RELATIVE TO OTHERS, BUT COULD BE EXPLAINED BY:

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data envelopment analysis dea
Data Envelopment Analysis (DEA)

Identifying Efficient Decision Making Units

measuring service productivity branch bank example
Measuring Service ProductivityBranch Bank Example

1. ACCOUNTING RATIO: COST PER TELLER TRANSACTION

HIGHER RATIO WOULD BE INEFFICIENT RELATIVE TO OTHERS, BUT COULD BE

EXPLAINED BY:

1. MIX OF OUTPUTS (SELLING CD’S VS SIMPLE DEPOSITS)

2. MIX OF INPUTS (USE OF ATM’S AND LIVE TELLERS)

2. BROAD BASED MEASURE: RETURN ON INVESTMENT

OVERALL IMPORTANT BUT NOT SUFFICIENT TO EVALUATE OPERATING EFFICIENCY

OF INDIVIDUAL DECISION MAKING UNIT (DMU)

FOR EXAMPLE:

A PROFITABLE BRANCH COULD BE THE RESULT OF HIGHER-THAN-AVERAGE

PROPORTION OF REVENUE GENERATING TRANSACTIONS RATHER THAN

COST-EFFICIENT USE OF RESOURCES.

the dea model fractional form
THE DEA MODELFractional Form

j =1,2,…,M

i= 1,2,…,N

burger palace productivity frontier
Burger Palace Productivity Frontier

S1 (2,200)

S2 (4,150)

S3 (4,100)

S4 (6,100)

S5 (8,80)

C (5.3, 88.9)

S6 (10,50)

dea and strategic planning
DEA and Strategic Planning

Under-performing Benchmark

potential stars group

Problem Candidates

Branches for divestiture

High

Profit

Low

Low

High

Efficiency