Um estudo da Libração Laplaciana

Pós-graduação em Engenharia Mecânica - FEG

Os rumos do desenvolvimento nos anos 50: as visões da Cepal e de Roberto Campos Araraquara – SP 2012

In the decade of 1950, the economic policies almost in their entirety, are aimed at promoting domestic industry, culminating finally in the most consistent action planned in favor of industrialization in the economic history of Brazil: the Plano de Metas (Goal’s Plan). This study aims to analyze the Brazilian planning at this moment studying the proposals in the economic thought of the Economic Commission for Latin America and the Caribbean (ECLAC) and Roberto de Oliveira Campos, divergent, but both connected to important reports of the Brazilian economy developed in the period, which served as the basis for policies at the period and even Goal’s Plan, and with enormous influence on the decisions of the 50s. The first one was the most important school of thought in the Third World. Campos was one of the most important thinkers of the economy in the period, one of the most consistent critics of ECLAC, and their proposals were very close to what was actually executed. The paper concludes that, despite the importance of ECLAC thought, this encountered difficulties applying workable solutions to economic growth. The eclectic tone of Roberto Campos brought clarity to his proposals, and these, when applied, have led to growth

Desenvolvimento econômico e condições de vida: a força de uma ideia e uma ideia força na obra de Roberto Simonsen

The intent of this article is to investigate the contribution of Roberto Simonsen for the knowledge and the improvement of living conditions of workers in Brazil. Our hypothesis is that the intellectual contributed in a fundamental way to the theme of the living conditions of workers, especially workermen, was inserted into a broader agenda, that of “national-developmentalism”, to which it also contributed signifi cantly, as we will discuss throughout this work, being the subject at the center his theories, the core, the foundation of which he went to build the corollary of ideas about Brazil and the world that consecrated him as a great thinker in Brazil.

A contribuição de Roberto Simonsen para a institucionalização da sociologia aplicada no Brasil

The aim of this study is to investigate the importance of Roberto Simonsen and research on the living conditions of workers in São Paulo by the Free School of Sociology and Social Policy in the 1930s to the consolidation of sociology applied to Brazil. We propose to investigate the influence of Roberto Simonsen on using the model of Sociology in the cited research, the intellectual influences which justify the choice of both researchers, the methodology and the practical consequences of these attitudes for sociology and for Brazil.

Análise matemática e estatística da produtividade de lavouras cafeeiras agroquímica e orgânica na região da alta paulista

Studies with organic systems have shown the feasibility and ecological and social sustainability of these agroecosystems, unlike the systems agrochemicals (conventional) production. Some studies have concluded that for the model agrochemical exists less interaction between the flow of internal energy, basically the crop receives all inputs to production with no increase in "energy quality" within the system, while in the organic model of production has increased interaction between different resources in the system. The current economic and ecological crisis, exposed no sustainability of the production pattern of industrialized agriculture developed in a way, showing the dependence of developed countries on imports of agricultural commodities produced in the third world, among there coffee. Given these facts, developed a survey to identify problems in the Alta Paulista region, west of São Paulo State, in relation to coffee production systems. Actually, the fundamental problem, according to the research, farmers in this region, is to choose a viable production system correctly (environmental, social and economic); agrochemical or organic. The objectives of this study were to analyze the yield of production systems and agro-chemical and organic coffee in the period from 2003 to 2007, in 30 producing properties, located in this region, in order to point the production system to produce the highest yield. According to the methodology of CONAB, data collected were recorded on spreadsheets to be used as variables in statistical analysis models and mathematics. We performed a descriptive analysis of productivity data and were used for statistical analysis tests for parametric and nonparametric analysis of variance. The mathematical analyses of the curves were prepared with Origin for Windows 6.0 software, which uses numerical methods to fit the data supplied to a function of variable parameters. Unlike conventional systems of production, the organic system showed greater viability of the production model. Furthermore, with the quantitative modeling proposal, it is possible to perform the evaluation of these types of investments, providing more security to the farmer at the time of decision.