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McDowell and Simon make strong cases for how information technology should not be used simply to do things better than you have done them before, but instead to use it to do things you have never been able to do before. If you don't fully understand technology and want some non-technical explanations of why you should be using it, this book was written for you.
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The frequency-hop (FH) CDMA parts of this text contain much useful and detailed mathematical exposition that I cannot readily find elsewhere in one volume. Quite inconveniently, the FH-CDMA sections are inter-mingled with the DS-CDMA sections. While I find plenty of useful mathematical details on FH-CDMA, those details are presented with little cohesion and offer little qualitative insight. I find myself buried with an avalanche of details with limited perspective.
The technical exposition here is truly terrible. I have just been reading the following sentence for several minutes and am yet to figure out its meaning: "In particular assume the simple repeat m code where for each data bit, m identical BFSK tones are sent where each of these tones are hopped separately." In what sense are these tones "identical" but yet "separate"? A simple equation here would have helped. In fact, I get so irritated by this poor technical writing that I get on the web and write this review to vent my frustration. The authors' aversion to use rigorous mathematics in their exposition does not help. The exposition ends up with very wordy but vague verbal descriptions, in place of concise and exact elucidations.
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The text ranges from Biblical to contemporary; they are longer than is often the case in similar books - some are memories, some philosophical or theological reflections. The works are selected from individuals such as Robert Sullivan (in Life magazine), Patricia Pfeiffer, Uta Ranke Heinemann, Fr. Robert Bullock, Jaroslav Pelikan, Terrance Simien (zydeco musician). The volume gives short descriptions - just a few words - to identify the authors.
An excellent book for individual devoted to our BVM.
In this interesting article the author introduces the risk exposure calculator, which is "a mechanism used to gauge a company's likelihood of being surprised by errors or breakdowns that could threaten the company's franchise or strategy." It is not a precise tool, its results are directional. The risk exposure calculator is divided into three types of internal pressure: growth, culture, and information management. For each of these pressures, success can increase the level of risk. Simons discusses each of these pressure points in detail, whereby he each of these three pressures splits into three specific parts. These form the keys on the risk exposure calculator (3 x 3 = 9 keys). For growth, the keys are pressures for performance, rate of expansion, and inexperience among key employees; for culture, they are rewards for entrepreneurial risk taking, executive resistance to bad news, and level of internal competition; and for information management, they are transaction complexity, gaps in diagnostic performance measures, and degree of decentralized decision making. Apart from the relationship between risk and reward, there is the relationship beteen risk and awareness. In order to manage this relationship, Simons introduces four levels of control - belief systems, boundary systems, diagnostic control systems, and interactive control systems - and he provides one question for each lever. Finally, the author introduces five questions which will help managers implement the levers-of-control model, which in turn should result in maximum performance with adequate safeguards against risks.
Interesting article covering the risks that come with success. Perhaps the risk exposure calculator is directional, it suggests where risk is growing and how fast. It is then up to managers to decide on the risk level and levers-of-control. This article is very much in line (again) with Kaplan & Norton's balanced scorecard articles and the author's 1998-article with Antonio Davila (How High Is Your Return on Management?), since it introduces non-financial performance measurement tools. Yes, I also agree that sometimes those tools are unrealistic, but used correctly they are great tools. The article is written in simple US-English.
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