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Copyright of Revista de Ciencias Sociales (13159518) is the property of Revista de Ciencias Sociales de la Universidad del Zulia Venezuela and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Avances en Ciencias e Ingeniería is the property of Avances en Ciencias e Ingenieria and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Since the beginning of his administration in 2017, the then President of the United States Donald Trump expressed his displeasure with the North American Free Trade Agreement (nafta). He argued that it had been unfair to the U. S. economy. Thus, the administration pressed for a renegotiation of the treaty in the second part of that same year. Although there have been many studies of nafta, few of them utilized an input-output model. This type of analysis allows us to measure the impacts of foreign trade flows of each economy through all the sectors of its structure. Here, we used an input-output model for the U. S. and Mexico to analyze the impacts of their bilateral trade on income and labor in each economy, in 1992 and 2014. The results show that while Mexico benefited more in labor and value-added generated by bilateral trade with the U. S., the distribution of value-added gains was more favorable to U. S. businesses than to Mexican workers. [ABSTRACT FROM AUTHOR]

From the beginning of his term in 2017, U.S. President Donald Trump expressed his dislike of the North American Free Trade Agreement (nafta), saying it had been unfair to the U.S. economy. As a result, his administration began to renegotiate the agreement in the second half of that year. Its intentions were very clear, and it achieved what it wanted in the United States, Mexico, Canada Agreement (usmca). This article analyzes these changes and the results of nafta, supposedly favorable for Mexico and prejudicial for the United States. It is not clear whether the U.S. will be able to reduce its trade deficit vis-à-vis Mexico with these changes or if U.S. companies established in Mexico will fully comply with the new rules set up in the usmca without looking for alternatives. [ABSTRACT FROM AUTHOR]

Copyright of Agro Productividad is the property of Colegio de Postgraduados and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The objective of this study was to compare the gain obtained in a crop of avocado (Persea americana Mill.) to give it a higher aggregate value, highlighting its functional properties, and integrate to study the price volatility of the fruit. Were considered states of higher production: Michoacán, Morelos, Nayarit, Mexico, Jalisco, Puebla and Yucatán. Traditional evaluation (VAN) was used and it was compared with real options through the use of binomial trees and Black-Scholes formulas. The results show that the relation benefit-cost increases when the product has a higher aggregate value and it makes projects more profitable, even for those projects that were discarded originally through the traditional valuation. [ABSTRACT FROM AUTHOR]

The intense use of new technology, the risk that this imply and the business opportunity generated by this technology, has given place to the concept of Technology Based Firm (TBF), which has been a research object due to its generation of added value. Nowdays there isn't a clear definition of a technology based sector, therefore this research proposes its own description, making a comparison of the production and added value of Sinaloa against the national level. It is used a quantitative methodology using statistical information from the databases of the North America Industrial Classification System contained in the Economic Census 2004 and 2009. [ABSTRACT FROM AUTHOR]

A common weakness in the Mexican food chain supply is its lack of vertical integration. The beef food chain is not an exception, so much that several government programs have been designed and implemented with the target of integrating cow-calf producers with lotfeeders. It is essential to find means and ways acceptable by both segments for these efforts to be sustainable in the medium and long term. Not an easy task as they frequently hold confronting interests among the segments as well as within members of the same segment. Therefore it is considered healthy to count on analyses and proposals built by impartial participants, being the academic sector of Public Universities in this instance, the one that could fill this role. [ABSTRACT FROM AUTHOR]