Oct 22 2021
Torbjørn Netland and I met in person at ETH in Zurich on October 21-22 for the first time since 2019! In the meantime, we had met every week on Zoom, exchanged messages on Slack, and edited each other’s writings.
Oct 8 2021
This fourth post about sales forecasts addresses what you actually start with — that is, visualizing the time series of historical sales and generating point estimates for the future. Theyou analyze the residuals to determine the probability forecasts.
What prompted me to review this field is the realization based on news of the M5 forecasting competition that this field has been the object of intense developments in recent years. Some techniques from earlier decades are now accessible through open-source software that can crunch tens of thousands of data points on an ordinary office laptop.
Others are new developments. Thanks to Stefan de Kok, John Darlington, Nicolas Vandeput, and Bill Waddell for comments and questions on the previous posts, that made me dig deeper:
Aug 29 2021
The 2012 paper in Science about the CRISPR/Cas9 system has been hailed as the greatest breakthrough in biology since Crick and Watson’s discovery of the DNA double helix in 1953. It has earned its two Principal Investigators (PI), Emmanuelle Charpentier and Jennifer Doudna, the 2020 Nobel prize in chemistry. Laypersons cannot really follow this paper but what we can better understand is how the research team worked. And it is remarkable.
Aug 27 2021
My last two long posts were about evaluating sales forecasts. They begged the question of how you generate these forecasts. This is a partial answer, about what you can tell from a history of sales through both classical methods and recent developments, particularly probability forecasting.
Jul 31 2021
Almost 100 years ago, Mary Parker Follett wrote: “And our aim in the […] organization of industry should be […] so to organize the plant that the workmen’s experience can be added to that of the expert; we must see just where their experience will be a plus matter, and we must plan to have the workmen learn more and more of the industry as a whole.”
Source: Follett, M. P. (2013 reprint). Creative Experience. United States: Martino Fine Books. (p. 20)
Michel Baudin‘s comments: Today, we would say “manufacturing” rather than “industry,” and “operator” rather than “workmen.” This is the earliest text I have seen that recommends engaging shop floor operators in improvement activities and training them to understand the broader picture.
Taylor wanted to control operators so that they couldn’t collude to curtail output. The Gilbreths wanted to make their work easier. Follett wants to tap into their knowledge and combine it with the experts’ in order to achieve better outcomes. And she also believes in their ability to learn.
In these few words, she showed more respect for the humanity of the operators than I recall seeing from her immediate precursors and contemporaries.
#maryparkerfollett, #respectforhumanity, #traceyrichardson
Oct 27 2021
Culture Change | MIT Sloan Management Review | Rose Hollister et al.
How the authors see it: “We define culture as a shared set of values (what we care about), beliefs (what we believe to be true), and norms of behavior (how we do things). […] We developed a set of culture transformation principles that maximize the likelihood of success:
Source: Hollister, R., Tecosky, K., Watkins, M, & Wolpert, C. (2021) Why Every Executive Should Be Focusing on Culture Change Now, MIT Sloan Management Review, Reprint 63137
Michel Baudin‘s comments: I define culture more simply as “the way we do things around here.” You don’t change it by making it the goal of a change program. To do it, first, you change the work, and then employees’ perceptions follow.
Redesign shop floor layouts to facilitate flow, develop multiskilled operators, hire employees for whole careers and retain them through thick and thin, engage them in solving problems,…
Over time, employees realize it’s not idle talk about lofty goals but concrete changes to their daily experience, including teamwork. Then it becomes “the way we do things around here,” in other words, a new culture.
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By Michel Baudin • Press clippings • 7 • Tags: Culture change