Is There a Biological Law of Human Population Growth?

Wolfe, Amy

doi:10.2307/1884883

Cited by 5 publications

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“…é (VERHULST, 1845). O sistema dinâmico descrito também foi utilizado nas pesquisas de Pearl e Reed (1920), Wolfe (1927), Modis (1999), Los (2000), Sprott, Wildenberg e Azizi (2005).…”

Section: População E Amostraunclassified

“…O crescimento populacional despertou interesse de pesquisas com Pearl e Reed(1920) que focaram a taxa de crescimento da população dos Estados Unidos desde 1790 e sua representação matemática para conhecimento da taxa normal de crescimento da população em ambiente natural. Além da pesquisa dos autores, Wolfe (1927) destacou a análise do crescimento da população em relação à necessidade de produção de alimento, em que o crescimento desordenado pode causar o estrangulamento do ambiente, eliminando a população. Do disposto, foi destacada a hipótese "a" de que há relação positiva entre o aumento do número de cooperados e o volume de recursos da cooperativa.…”

Section: Hipóteses Da Pesquisaunclassified

“…Alinhada ao objetivo a hipótese destacada foi que, há relação positiva entre o aumento do número de cooperados e o volume de recursos da cooperativa (PEARL; REED, 1920), (WOLFE, 1927), (LOS, 2000). Com expectativa de que, o aumento do número de cooperados aumenta a disponibilidade de recursos para empréstimos das cooperativas foi confirmada a hipótese.…”

Section: Conclusãounclassified

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Limit on Positive Risk with Increasing Credit Activities by Credit Co-operatives

Silva

Hein

2014

GCG

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A gestão de risco na atividade de crédito é imprescindível para assegurar a continuidade e o desempenho econômico-financeiro do empreendimento. Nas cooperativas de crédito a atenção a este risco permite a redução de perdas, além da cobrança de juros e taxas menores (AHLIN;LIN;MAIO, 2010). O estudo objetiva estabelecer o limite do risco positivo ao crescimento das atividades de crédito de cooperativas de crédito. A Teoria de Finanças consubstancia a pesquisa, com a determinação do risco positivo decorrente do resultado maior do que o projetado, pelo risco natural, nas atividades realizadas (KALDOR, 1939). Analisou-se uma amostra de 10 cooperativas de crédito com dados do período de 2001 a 2010. O modelo de Verhulst ( 1845) foi utilizado para estabelecimento do risco natural e do limite de risco positivo das cooperativas de crédito. A análise dos dados mostra, nas condições atuais, o intervalo de crescimento com a otimização pelo risco positivo evidencia uma faixa em que as cooperativas podem ampliar o desempenho na atividade de crédito. Conclui-se que o limite de risco positivo determinou o grau de desenvolvimento possível, mantendo-se o desempenho equilibrado, foi possível estabelecer os parâmetros atuais e de desempenho para as cooperativas de crédito, com observação de que ao ultrapassarem este limite, as cooperativas entram em ambiente turbulento, que contribui para o estabelecimento das metas institucionais, de forma equalizada da atividade de crédito nas cooperativas de crédito.

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“…é (VERHULST, 1845). O sistema dinâmico descrito também foi utilizado nas pesquisas de Pearl e Reed (1920), Wolfe (1927), Modis (1999), Los (2000), Sprott, Wildenberg e Azizi (2005).…”

Section: População E Amostraunclassified

Section: Hipóteses Da Pesquisaunclassified

Section: Conclusãounclassified

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Limit on Positive Risk with Increasing Credit Activities by Credit Co-operatives

Silva

Hein

2014

GCG

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“…Knibbs and A.B. Wolfe, also argued that the assumptions leading to the logistic curve had 'at best only a very modified application' [Knibbs (1926b): 391], making the study 'an indoor sport' [Wolfe (1927): 579], of no use to policy makers or the public.…”

Section: Social Reform Versus Biological Fatalismmentioning

confidence: 99%

Carving up Population Science

Ramsden¹

2002

Soc Stud Sci

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Using the analytical framework of boundary-work, I examine how the cultural space of demography, its borders and its territories, were constructed and reconstructed as scientists continuously struggled to maintain, increase, and defend the cognitive authority of science and particular interpretations of reality. While the emerging field of population united both biologists and social scientists in the early 20th century, the controversy over the biologist Raymond Pearl’s logistic curve in the inter-war period became one of the defining features in the development of the population sciences in the United States. Pearl’s use of the logistic curve reflected his biologically determinist vision of human progress and the definition and function of science within that process. Pearl’s critics, the majority numbered among the social sciences, opposed such an imperialistic vision. With the weakening of Pearl’s influence, American demography was clearly defined as a social science. In disciplinary histories, Pearl’s defeat is attributed to scientific progress and the collapse of credibility for the eugenics movement. Thus a history of a scientific progression from biological determinism to social empiricism is combined with a shift from population ideology to population science. Yet the attack on the biological lawsin the 1930s had as much to do with differing opinions as how to best regulate a population according to eugenic standards, as it was a struggle between a biologically determinist eugenics and a social science of reform.

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Between Progressivism and Institutionalism: Albert Benedict Wolfe on Eugenics

Fiorito¹

2013

J Hist Econ Thought

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two unknown referees for their helpful comments on an earlier draft of this note. The usual disclaimers apply.When the psycho-economic history of the years 1917 to 1921 shall be written by one suffi ciently detached in time and sentiment, this sudden solicitude on the part of the ruling interests for the integrity of "American" ideals and viewpoints will doubtless be properly and fairly related to the fear of "radicalism" and the popular belief that "radicalism" and "foreign-language" are synonymous terms (Wolfe 1921a, p. 131).Albeit concerned with the biological element in social evolution, Albert B. Wolfe was among the very few economists of the progressive era who openly expressed their concerns about certain implications of eugenic rhetoric for the social science. Specifi cally, Wolfe questioned the strong hereditary boundaries that more extreme eugenicists suggested about human beings. A careful examination of Wolfe's writings reveals that his reaction was rooted in the belief that many of the social problems that eugenicists attributed to hereditary limitations were actually imputable to the infl uence that the social, economic, and physical environment exercised on the individuals.

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Is There a Biological Law of Human Population Growth?

Cited by 5 publications

References 0 publications

Limit on Positive Risk with Increasing Credit Activities by Credit Co-operatives

Limit on Positive Risk with Increasing Credit Activities by Credit Co-operatives

Carving up Population Science

Between Progressivism and Institutionalism: Albert Benedict Wolfe on Eugenics

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