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The Modern Firm in Theory and PracticeNick Bloom (Stanford Economics and GSB)
Lecture 2: Management Practices
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Long debate over the importance of management for growth and development
Francis Walker wrote a paper called in 1887 in the Quarterly Journal of Economics called “The Sources of Business Profits”
Walker argued that management was the key driver of differences in firm performance
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But there is still a wide debate – many people claim management is “hot air” or “bullshit”
“No potential driving factor of productivity has seen a higher ratio of speculation to empirical study”
- Chad Syversson (2011, Journal of Economic Literature)
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This is a key issue for business…..
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….and for policy
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I will try to summarize 10+ years research in 2 areas
1) Measuring management: World Management Survey
2) Impact of management on performance- Regression results- Field experiments
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I will try to summarize 10+ years research in 2 areas
1) Measuring management: World Management Survey
2) Impact of management on performance- Regression results- Field experiments
![Page 8: The Modern Firm in Theory and Practice Nick Bloom (Stanford Economics and GSB) Lecture 2: Management Practices 1](https://reader030.vdocuments.mx/reader030/viewer/2022033100/56649d0a5503460f949dcf68/html5/thumbnails/8.jpg)
World Management Survey has covered about 20,000 manufacturing firms globally since 2004
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What are the key areas of management practices (what would they teach in business school for example)?
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Typical 2-year MBA would include most of:
-Operations-Human Resource Management-Finance-Marketing-Organizational Behavior-Strategy-Economics (macro)-Ethics-International business (global)
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1) Developing management questions•Scorecard for 18 monitoring and incentives practices in ≈45
minute phone interview of manufacturing plant managers
2) Getting firms to participate in the interview•Introduced as “Lean-manufacturing” interview, no financials•Official Endorsement: Bundesbank, RBI, PBC, World Bank
etc.
3) Obtaining unbiased comparable responses, “Double-blind”•Interviewers do not know the company’s performance•Managers are not informed (in advance) they are scored
Basic survey methodology – 3 key steps
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Score (1): Measures tracked do not indicate directly if overall business objectives are being met. Certain processes aren’t tracked at all
(3): Most key performance indicators are tracked formally. Tracking is overseen by senior management
(5): Performance is continuously tracked and communicated, both formally and informally, to all staff using a range of visual management tools
Example monitoring question, scored based on a number of questions starting with “How is performance tracked?”
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Examples of performance metrics – Car Plant
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Examples of a performance metrics – Hospital
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Examples of performance metrics – Retail (Ctrip)
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Examples of performance metrics – Heathrow T5
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Example of no performance metrics: Textile Plant
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Score (1) People are promoted primarily upon the basis of tenure, irrespective of performance (ability & effort)
(3) People are promoted primarily upon the basis of performance
(5) We actively identify, develop and promote our top performers
Example incentives question, scored based on questions starting with “How does the promotion system work?”
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Examples of performance reviews – Retail Bank
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Wide spread of management in manufacturing
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Class question (1):
If America has so much better management practices than China why are so many Chinese firms exporting to America?
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Average manufacturing management scores across countries are strongly correlated with GDP
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Management also varies heavily within countries0
.51
1.5
0.5
11
.50
.51
1.5
0.5
11
.5
1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5
Argentina Australia Brazil Canada Chile
China France Germany Greece India
Italy Japan Mexico New Zealand Poland
Portugal Republic of Ireland Sweden United Kingdom United States
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Also been looking at other sectors: hospitals
Randomly surveyed population of hospitals in each country that offer acute care (take emergencies), and have an orthopaedics and/or cardiology department. Total of 1687 hospitals.
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Again see a very wide spread in hospitals
Source: www.worldmanagementsurvey.com
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Also been looking at other sectors: high-schools
2.94
2.82
2.80
2.78
2.55
1.99
1.72
1 1.5 2 2.5 3 3.5
Management Score
UK
Sweden
US
Canada
Germany
Italy
India
School Management Scores, by Country
91
77
138
287
n
232
127
323
Randomly surveyed population of high schools in each country with 100+ pupils aged 15.
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Class question (2):
Do you think there is a public-private management gap, and if so why?
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I will try to summarize 10+ years research in 2 areas
1) Measuring management
2) Impact of management on performance
- Regression results
- Field experiments
![Page 31: The Modern Firm in Theory and Practice Nick Bloom (Stanford Economics and GSB) Lecture 2: Management Practices 1](https://reader030.vdocuments.mx/reader030/viewer/2022033100/56649d0a5503460f949dcf68/html5/thumbnails/31.jpg)
31
-6-4
-20
24
labp
1 2 3 4 5management
Management practices and performance
Management score
Pro
duct
ivity
log(
sale
s/em
ploy
ee) Does this make you worry about case studies?
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Management score decile
Pro
du
cti
vit
y
Pro
fit
Ou
tpu
t g
row
th
Ex
po
rte
rs
R&
D p
er
em
plo
ye
e
Pa
ten
ts p
er
em
plo
yee
These management scores are positively correlated with firm performance
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These management scores are positively correlated with firm performance – even with many controls
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34
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This positive correlation with performance has been pretty much true in every sector examined
For example, higher management scores correlated with:
• Hospitals: Higher case-mix survival from heart-attack & surgery
• Schools: Better test scores
• Retail: Great profits and sales
• Drug and alcohol addictions clinics: Lower readmission rates
• Universities: Higher research rankings
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I will try to summarize 10+ years research in 2 areas
1) Measuring management
2) Impact of management on firm and national performance
- Regression results
- Field experiments
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Class question – if you wanted to design an experiment to evaluate the impact of management how would you do it?
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Took 28 large textile plants near Mumbai and randomized into treatment (improved management) & control (same as before)
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Inventory Control: Before
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Inventory Control: After
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Factory operations: Before
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Factory operations: After
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80
100
120
140
-15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60
These simple management improvements increased productivity by 20% within 1 year alone
Control plants
Treatment plants
Weeks after the start of the management experiment
Pro
duct
ivity
(ou
tput
per
wor
ker)
Source: Bloom, Eifert, Mahajan, McKenzie & Roberts, forthcoming Quarterly Journal of Economics
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44
Wrap up and next class
• We see massive variation in GDP per capita across countries and performance across firms (from last week)
• Much of these differences appear to be driven by differences in management practices
• Variations appear to come from differences in competition, education, ownership and regulation
• On Wednesday we will drill into management practices for incentives using Lincoln Electric case
• In advance everyone should use the grid to score a firm – any sector and size – they know to prepare for class discussion