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The undeciders - More decision-makers bring less efficiency PDF Print
Monday, 12 May 2008 21:49

It’s the other Parkinson’s: the progressive degeneration of a committee’s ability to make decisions as the committee adds more members.

English historian Cyril Northcote Parkinson observed in the 1950s that decision making is severely impaired in committees of more than 20 people. Now physicists have shown that the size of a country’s executive cabinet appears to be linked to that country’s overall efficiency, and they have found a possible mathematical explanation.

Stefan Thurner, a physicist at the Medical University of Vienna, and his collaborators looked at the overall efficiency of virtually every government on the globe, as measured by United Nations and World Bank indicators taking into account factors such as literacy, life expectancy and wealth.

The researchers then looked at each country’s executive cabinet. “Cabinets are a good representation of countries,” Thurner says. Common sense would suggest that smaller cabinets would find it easier to reach a consensus. But to get the rest of the country behind a decision, cabinets also have to be large enough to represent of a wide range of constituencies, Thurner says. “Behind every minister there is a set of lobbyists, interest groups and a large bureaucracy.”

On average, the team found, a country’s development was tied to the size of its executive cabinet. For example, Iceland, which the United Nations ranks as the world’s most developed country, has a cabinet of just 12 members; the United States, which ranks 12th, has 17 cabinet members; Myanmar and the Ivory Coast, with 35-strong cabinets, rank 132nd and 166th.

The researchers also tried to figure out exactly how a committee’s size affects its efficiency and to explain Parkinson’s 20-person rule.

 

The team simulated committees as networks in which each member was a node. Before a vote, each member’s opinion could be influenced by those of its immediate neighbors in the network; adjacent nodes could represent, for example, ministers belonging to the same political party. The simulation found that committees of 10 members or less could almost always reach a consensus (with one mysterious exception for the number 8). For larger committees, the chances of getting to a consensus were lower, and the chances decreased even more rapidly for committees of 20 or more. The results show that Parkinson’s law is not an accident, but “a robust consequence of the opinion-formation model,” Thurner says.

It’s interesting that they find a correlation,” says Yaneer Bar-Yam of the New England Complex Systems Institute in Cambridge, Mass. However, Bar-Yam points out that the correlation is only true on average. In fact, the data show some important exceptions. For example, Australia, Canada and New Zealand have large cabinets but high efficiency scores. A committee’s effectiveness, Bar-Yam says, strongly depends on how the committee is organized. “One of the great examples today is Wikipedia,” he says. The online encyclopedia manages to function despite being written and edited by thousands of volunteers because of the way it’s structured, he says.

 

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Comments (9)Add Comment
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written by freedom lover, May 12, 2008 21:59:27
While I agree the number does influence efficiency, the actual reason for the failure of the ruling government is its inability to place the right individual
in the right ministries. In Malaysia, the problems are further compounded by the fact that ministries are assigned by political party representations, by state composition, RACE, etc. This is a grave error! Lets look at the Chinese majority country Singapore. It has 5 Indian ministers in the major ministries, including the Finance ministry. The ministers are elected by MERITOCRACY!
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written by turun padang, May 12, 2008 21:59:46
That's why MALAYSIA TODAY is the committee of ONE!!
The POwer of Being ONE..
The Power of Raja Petra!

And we Malaysian, Have to think like ONE Unit rather than ...

Kau, dia, aku, mereka dan kita..
melayu, cina, india dan the rest of 52 suku kaum in Malaysia...
Islam, Hindu, buddish, tao, catholic, potestant, sky kingdom...

JUST PR, BN & BLOGGER will do...
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written by riboak, May 12, 2008 22:02:33
In Malaysia, we not only have tonnes of ministers and deputies. There are advisors as well. When the policy-makers do not adhere to Parkinson's law, the whole nation suffers... Parkinson's disease.
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written by DontPlayGod, May 12, 2008 22:33:12
The U.S.A. has a cabinet of only 17, whereas Malaysia has a cabinet size of 30(it was more in the last cabinet). Britain, Japan, and China may even have less. Of course, here we reward party loyals with cabinet posts, that is the difference, and despite the fact the party loyal may be a dunggu. This is what we call Malaysia Boleh. Get it!

In the last cabinet, nearly every elected UMNO MP was given a post, if not in the cabinet, then some post outside the cabinet.
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written by binarytan, May 12, 2008 22:34:22
I used to work for a company with 5 direcots, each of them having own decision and very complicated.

So, basically the workers do not know the direction, this scenario is just like our cabinet.

The PM is sleephead, the rest you can imagine what type of caliber we have.

We also have one very smart oxford graduate KJ but no quality.

We need a strong cabinet, not the current ones which are only politician without much integrity. Change it or we the rakyat change them next time.
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written by Arubin, May 12, 2008 22:38:43
A cabinet is also only as effective as its leaders are.

Unfortunately, we have these two jokers in charge for now...



Coming soon to a cinema near you. Not suitable for children under the age of 18, or for developing countries with multi-racial environment. smilies/grin.gif
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written by uncleleow, May 12, 2008 22:51:00
Malaysia is the best. Too bad not included in the study. One of the largest in the cabinet and the ability to make decisions super fast. Every thing they will say "setuju".
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written by miwaki, May 13, 2008 03:31:17
What are they doing huh ? You scratch my teat,I scratch your teat !and both are PM and DPM of Malaysia !
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written by malaysia devil, May 13, 2008 23:26:44
WHO ARE THE MOST HATED POLITICIANS/OFFICIALS IN MALAYSIA?
cast your poll at: http://malaysianindian1.********.com/
please pass this message to all Malaysians
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