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Ciencia Ergo Sum
Revista Activa *
ISSN: 1405-0269
Cuatrimestral
Multidisciplinarias (Ciencias Sociales)
Universidad Autónoma del Estado de México
México

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La versión estable de Redalyc 3.0 se libera en febrero de 2017. En la actualidad, se muestran los resultados de la marcación de artículos científicos mediante la herramienta gratuita Marcalyc, liberada en su primera versión el 1ro de septiembre de 2016 y que está pensada como un elemento central en la construcción y consolidación de un modelo de AA sustentable para Iberoamérica.
en: This paper analyzes the impact that credits from Financiera Nacional de Desarrollo ( fnd ) aimed at rural and agricultural projects had on the welfare of families from the Valley of Mexicali, in the state of Baja California, Mexico. The logic behind the program is that credit will be invested in productive projects, creating a multiplier effect in the families’ income and allowing them to improve their quality of life. This research focused on the credits’ impact on participating families through a Propensity Score Matching methodology. To obtain the necessary data for this analysis, a survey was constructed with questions on investment, food consumption, education, and health of the participating families. The main results showed a positive impact on food consumption of normal goods, as well as on education expenditure, ownership of a tractor, and doctor visits.>>>
Zaira González Rodríguez
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Juan Antonio Leos Rodríguez
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María Jesica Zavala Pineda
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en: Corn supply is covered with United States ( u. s. ) imports, if such trade is free, then the law of one price ( lop ) should be observed. Under a vector error correction model the lop is assessed for corn prices in Mexico and u. s. Although results statistically reject the lop , the cointegrating estimated vector agrees in size and sign with the lop , the presence of such vector implies the existence of a stationary linear combination that provides evidence of markets integration. Secondarily, it is found that the Mexican corn price is Granger caused by u. s. corn price and that the former is not exogenous to the examined vector.>>>
Miguel Ángel Martínez Damián
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Jaime Arturo Matus Gardea
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en: The aim of this work was to determine the technical-productive efficiency of the meleagriculture (a type of poultry) in the State of Mexico, through a differential analysis of the production systems used in poultry units (turkey producers), quantified during the fattening period in 2011. After estimating the production functions and technical and economic optimum; empirical evidence showed that, given the degree of specialization and vertical and horizontal integration level, the industrial systems are more efficient in relationship with the semi-industrial and backyard poultry; results coincide with other researches held in different regions of the country.>>>
Gabriela Rodríguez-Licea
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Crhistian Carrillo-Juárez
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Juvencio Hernández-Martínez
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Mercedes Borja Bravo
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en: In this article we outline some historical elements of pulque and pulquerias in the municipality of Toluca in the period 1841-1920, particularly the production, marketing and consumption of the drink, are identified. The method used was microhistory with information obtained from the Historical Archive of the Municipality of Toluca and biblio-newspaper sources. The results show that there was a significant production of pulque in the municipality, there was a large number of establishments laid it out, the women were important in the marketing of the drink, and the railroad contributed to the distribution of the drink. We conclude that this gastronomic heritage was important for the municipality and the consumption of the beverage was widespread among the population.>>>
Edgar Rojas Rivas
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Felipe Carlos Viesca González
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en: This paper analyzes the extraction and marketing of the moss in the State of Mexico with ejido San Bartolo Oxtotitlan as study case. The aim of the study was to identify the role of the stakeholders in the extraction process. Participatory research tools, such as semi-structured interviews, transects by extraction routes and random samplings in the study area were used. The results show that moss extraction is an intensive and seasonal activity carried out by outsiders of the communities and the local populations have shown no interest and capability to exploit their own resources. The intermediaries obtain the greatest benefit from the commercialization of the resource.>>>
Nancy Diana Anastacio Martínez
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Sergio Franco-Maass
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Esteban Valtierra Pacheco
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Gabino Nava Bernal
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en: During the 19th century and the first decades of the 20th, scientific research in Mexico revolved mainly around the study of medicinal plants. This paper discusses the instruments and techniques used during this period by pharmacists during their teaching and research activities. The function that was related to chemical analysis procedures in accordance with European schools of Pharmacy; the main objective was to find alkaloids of therapeutic utility within these plants. This interest in the development of the teaching and practice of analytical chemistry was fundamental and eventually allowed the conformation of a new profession.>>>
Mariana Ortiz Reynoso
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Martha Díaz Flores
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Hariz Islas Flores
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Liliana Schifter Aceves
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en: We describe the main scientific developments that lead ligo project to the detection of the gravitational waves: general relativity, black holes and gravitational waves predictions; numerical relativity and the collision and coalescence simulations of binary black holes and the development of different kind of gravitational wave detectors. Most important, this detection is confirming the existence of the enigmatic black holes.>>>
Mario Alberto Rodríguez-Meza
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en: This paper analyzes the means to motivate innovative interventions and to reexamine some others with the aim of promoting a technological culture that supports entrepreneurship and enterprises from the university environment. Different technologies are presented as valuable tools for small and medium-sized enterprises ( smes ) and entrepreneurs. In addition, joint participation possibilities between them and the academia are discussed, and success stories from the authors’ experience are also introduced. It is highlighted that the relationship between university and enterprises should be conceived like a bridge instead of a gap. In this scenario, technologies are unifying blocks: universities focus their studies and research efforts on them while they are also being required by the enterprises.>>>
Ramón Ventura Roque Hernández
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Juan Manuel Salinas Escandón
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Adán López Mendoza
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Juan Antonio Herrera Izaguirre
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en: Without pretending to exhaust all taxonomic possibilities on the types of knowledge regarding scientific knowledge, this is taken as the axis that regulates such proposal of classification, proposing four types of knowledge: unscientific, pre-scientific, scientific and meta-scientific knowledge, to finally arrive to a brief thoughtful conclusion about what is addressed. More than a descriptive gloss, the text is proposed as a guiding scheme to help to identify the sources of knowledge, those sources which we usually depend on initiation to science tasks.>>>
Armando Ulises Cerón Martínez
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Claudia Arzate Domínguez
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Mijaíl Málishev
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