مدیریت ، اقتصاد و کامپیوتر

درباره همه مطالب مرتبط با مدیریت می نویسم یا مطلب می گذارم ترفندها و مقالات کامپیوتری هم بعد از مطلب مرتبط با اقتصاد در اولویت هستند

چند تا نظر در مورد اثر هاله ای
نویسنده : سلام دشتی - ساعت ۳:٠۳ ‎ق.ظ روز ۱۳۸۸/۱/۱۳
 

I agree wholeheartedly. I would also like to say that I think some of the concepts I have learned in the course of my education in business can be applied to peoples lives and attitudes-the halo effect is one of them. When you are doing well everyone loves you and you are so smart and deserve it. When bad fortune for whatever the reason, it must be something you did wrong, and you must deserve it. People don't want to know you then because maybe it's contageous, which furthers the downward spiral.

 

The Halo Effect is a pathbreaking and very interesting article and concept at its fundamental levels. It is essentially the "serial correlation" corollary to the "random walk" of "Fooled by Randomness" (Nassim). Nassim suggests that much "success" is in fact pure luck due to spurious correlations--mostly in trading where random walks abound. The Halo Effect suggests that much "success" can be put down to spurious correlations due to lagging effects. What would be really interesting is more research to see which one is more likely in which industry. Cheers Greg Swinand phd

 


The lack of science in the various management books that get widely read and, sometimes, reflected in the practice of management consultants used to worry me for all the reasons the author sets out so much better than I could.

But then you realise that CEOs rarely actually implement the recommended approach, even when they claim to be doing so.

So what is going on ? Something much less rational, more emotional. The value of such books lies less in the ideas they promote than in the processes their existence facilitates - processes of private reflection on management and collective questioning of corporate values and assumptions.

The author of The Halo Effect might usefully have considered why such patently slight books (in scientific terms) have such broad appeal and I think he would find the answer by seeing such books as part of a cultural practice, best understood as a kind of ritual

The Halo Effect, among many thought stimulants, touches upon a common delusion I have had the opporunity to observe, and that is the delusion of "correlation and causality". I have had the fortune(yes fortune because it was a powerful learning experience) to observe, early in my career, ill prepared HR generalists take on the role of organizational clinicians, and make quick promulgations as to why one thing leads to another...(a la: "our competitor pays more and that's why our turnover is so high..." or "Let's do a training program based on the tenets of book X because that's how the author improved morale and reduced turnover in her company,..." prescribing without rigorous analysis of all organizational,cultural,environmental, factors that either contribute to or detract from, organizational excellence ...The article reminded me of what one of my OD mentors once told me: "Always remember that prescription without diligent diagnosis, is MALPRACTICE!"... In sum, the article about the Halo Effect was a good one and also a good thought stimulant. Thank you.
By: Maurizio Morselli, Juvenile Diabetes Research Foundation
Sent: 11:27 AM Fri Mar.02.2007 - US

Not only is Rosenzweig's thesis a useful corrective to management enthusiasms, it also goes some distance in explaining why passive investing is better over the long term than active investing.

We all want to make sense of the world, and the world is generally what's happened in the recent past.

Management stories that give meaning to the past by organizing it in a narrative are a form of myth creation. They give history the aura of inevitability by explaining that things had to happen the way they did.

The same thing happens when investors put money into high-performance sectors. Internet stocks in the 1990's (or railroads in the 1890's) had to go up because they were the wave of the future. And they kept going up until they didn't anymore.

What happened is rarely inevitable. The fact that something happened doesn't mean it will keep happening. And the narratives that we use to understand the past are often more misleading than no narrative at all.
By: Hank Bulmash, Bulmash Cullemore
Sent: 01:50 PM Fri Mar.02.2007 - CA