Population Growth
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In 1989, following the year when Dell, Inc. went public, Dell explains how the company had a large problem with inventory management. As a result, the company failed to transition properly in the industry from one technology to the other. However, because of this critical mistake, the company learned how to correctly manage their inventory, and according to Dell, became the best in the world at it. Later on, Dell also notes the company...more
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The cultural transition from the romantic era of consumption to the era of tuberculosis derived not only from the germ theory of disease and the triumph of contagionism over anticontagionism, but also from political considerations. Worries over population decline and growing working-class militancy were aggravated by what now appeared to be a social disease, or a disease of poverty. One of the strategies deployed against the disease was...more
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In addition to cultural controls acting to maximize fertility, there are important, and often competing, interests of individual families to limit fertility. Unwanted births are dealt with by infanticide in many cultures. Additionally, fertility is regularly controlled by limiting marriage within a culture. Another very important factor in population growth, especially in the tropics, is food availability. Heavy rains in the tropics wash...more
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Eisenhardt explains her findings about teams and markets using the Surfer Model of Venture Growth. In her research, she found that there is great synergy between great teams and great markets. The returns obtained by this pair dwarf any other combination.
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European populations grew only slowly during the period 1200-1700; factors include disease and wars. Human feces and rotting animal remains were not sequestered and often contaminated drinking water. Cities were so filthy that more people died in them than were born. About a third of children died in infancy, many from abandonment and lack of care during wet-nursing. Children that survived were subjected to harsh discipline to control...more
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Scott describes his experience at Stratacom where for the first 5 years the company lost a lot of money and had modest revenue growth, and then after some refocusing of resources, the company did really well and was eventually bought out for 5 billion dollars. He explains that what changed was their target market, and not the people in the company. He states that identifying markets with high growth and attaching oneself to such markets...more
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World population will continue to rise until at least 2050. Environmental impact is the product of the number of people and how much of their income and technology is devoted to either consumption or conservation. So far, the balance is far at the consumption end and, globally, environmental problems are increasing. Environmentalism has not come close to counteracting the footprint of a billion extra people every dozen years. The only...more
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Davis talks about how he got involved in micro credit and how it led to the formation of Unitus. He explains how Unitus is different form Grameen Bank, a pioneer in the field of microfinance. Unitus uses an Acceleration Model, a venture approach to do micro finance. This means they invest in programs around the world that offer micro loans and that have high growth potential to accelerate their growth.
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Genetics controls evolution. There are four major genetic systems, which are combinations of sexual/asexual and haploid/diploid. In all genetic systems, adaptive genetic change tends to start out slow, accelerate in the middle, and occur slowly at the end. Asexual haploids can change the fastest, while sexual diploids usually change the slowest. Gene frequencies in large populations only change if the population undergoes selection.
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Families lived together in traditional China and sons remained on the land; division of family land led to tiny plots and rural poverty. Because labor was so cheap, the country did not urbanize or mechanize. The Communist government started out with a pro-natal stance, but after experiencing the famine of the Great Leap Forward, moved strongly to fertility control. Fertility declined rapidly in the 1970s, but to counter momentum, the...more
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Mutations are the origin of genetic diversity. Mutations introduce new traits, while selection eliminates most of the reproductively unsuccessful traits. Sexual recombination of alleles can also account for much of the genetic diversity in sexual species. In some instances, population size can affect diversity and rates of evolution and fixation, but in other cases population size does not matter.
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Introduction to Evolution, Variation in a Population and Natural Selection
Khan Academy / Philosophy
Introduction to evolution, variation in a population and natural selection.
