The direct investments in Latin America and the Caribbean in the 1990s of multinational enterprises headquartered in Spain

This thesis explains why multinational enterprises (MNEs) headquartered in Spain made significant investments in Latin America in the 1990s. Two independent variables are considered: structural reforms in Latin America, and liberalization in Spain. The first independent variable concerns the ways in which Latin American governments adopted a series of reforms that made their economies attractive to foreign investors. The second variable explains how the prospects of liberalization and foreign competition led Spanish firms to invest abroad in order to expand their businesses. The study will also show the competitive advantage of Spanish MNEs, vis-a-vis other foreign and local competitors in Latin America. This thesis takes an international political economy approach. The core of the thesis shows the development of Spanish direct investment in Latin America and the Caribbean in the 1990s. The theoretical perspectives on MNEs are provided by theory of the firm, industrial organizations theory and alliance theory. ^

The influence of corporate interests on USAID's development agenda: The case of Haiti

This dissertation is an attempt to use the radical political economy approach, which assumes that there is a connection between a state's strategic interests and the interests of dominant multinational corporations (MNCs) located within a state's territory, to explain continuity in the USAID development agenda and lending patterns during the past 30 years of development aid to Haiti. Employing the qualitative method of "process-tracing," my study concludes that the radical political economy approach has an explanatory power when it comes to understanding continuity in the USAID development agenda and lending patterns during the past 30 years of development aid to Haiti. The evidence shows that USAID has implemented in Haiti, from the 1980s through the post-9/11 Washington Consensus period, neoliberal policies that conform to the political economy of US multinational corporations (US MNCs). Contrary to the claim that the USAID-sponsored post-earthquake development paradigm has departed from previous development strategies, the study has shown that USAID has used the occurrence of the January 2010 earthquake tragedy to accelerate in Haiti the implementation of a neoliberal agenda congenial to the business promotion of multinational investors, particularly US multinational corporations. In terms of the way ahead, the study argues for the implementation of a new development approach articulated by a legitimate Haitian state and primarily intended to promote the socioeconomic development of the poorest Haitians.

The role of teleost grazers in a relatively pristine seagrass ecosystem

Trophic downgrading of ecosystems necessitates a functional understanding of trophic cascades. Identifying the presence of cascades, and the mechanisms through which they occur, is particularly important for seagrass meadows, which are among the most threatened ecosystems on Earth. Shark Bay, Western Australia provides a model system to investigate the potential importance of top-down effects in a relatively pristine seagrass ecosystem. The role of megagrazers in the Shark Bay system has been previously investigated, but the role of macrograzers (i.e., teleosts), and their importance relative to megagrazers, remains unknown. The objective of my dissertation was to elucidate the importance of teleost macrograzers in transmitting top-down effects in seagrass ecosystems. Seagrasses and macroalgae were the main food of the abundant teleost Pelates octolineatus, but stable isotopic values suggested that algae may contribute a larger portion of assimilated food than suggested by gut contents. Pelates octolineatus is at risk from numerous predators, with pied cormorants (Phalacrocorax varius) taking the majority of tethered P. octolineatus. Using a combination of fish trapping and unbaited underwater video surveillance, I found that the relative abundance of P. octolineatus was greater in interior areas of seagrass banks during the cold season, and that the mean length of P. octolineatus was greater in these areas compared to along edges of banks. Finally, I used seagrass transplants and exclosure experiments to determine the relative effect of megagrazers and macrograzers on the establishment and persistence of three species of seagrasses in interior microhabitats. Teleost grazing had the largest impact on seagrass species with the highest nutrient content, and these impacts were primarily observed during the warm season. My findings are consistent with predictions of a behaviorally-mediated trophic cascade initiated by tiger sharks (Galeocerdo cuvier) and transmitted through herbivorous fishes and their predators.

The Role of Teleost Grazers in a Relatively Pristine Seagrass Ecosystem

Trophic downgrading of ecosystems necessitates a functional understanding of trophic cascades. Identifying the presence of cascades, and the mechanisms through which they occur, is particularly important for seagrass meadows, which are among the most threatened ecosystems on Earth. Shark Bay, Western Australia provides a model system to investigate the potential importance of top-down effects in a relatively pristine seagrass ecosystem. The role of megagrazers in the Shark Bay system has been previously investigated, but the role of macrograzers (i.e., teleosts), and their importance relative to megagrazers, remains unknown. The objective of my dissertation was to elucidate the importance of teleost macrograzers in transmitting top-down effects in seagrass ecosystems. Seagrasses and macroalgae were the main food of the abundant teleost Pelates octolineatus, but stable isotopic values suggested that algae may contribute a larger portion of assimilated food than suggested by gut contents. Pelates octolineatus is at risk from numerous predators, with pied cormorants (Phalacrocorax varius) taking the majority of tethered P. octolineatus. Using a combination of fish trapping and unbaited underwater video surveillance, I found that the relative abundance of P. octolineatus was greater in interior areas of seagrass banks during the cold season, and that the mean length of P. octolineatus was greater in these areas compared to along edges of banks. Finally, I used seagrass transplants and exclosure experiments to determine the relative effect of megagrazers and macrograzers on the establishment and persistence of three species of seagrasses in interior microhabitats. Teleost grazing had the largest impact on seagrass species with the highest nutrient content, and these impacts were primarily observed during the warm season. My findings are consistent with predictions of a behaviorally-mediated trophic cascade initiated by tiger sharks (Galeocerdo cuvier) and transmitted through herbivorous fishes and their predators.

Mutation at the Human D1S80 Minisatellite Locus

Little is known about the general biology of minisatellites. The purpose of this study is to examine repeat mutations from the D1S80 minisatellite locus by sequence analysis to elucidate the mutational process at this locus. This is a highly polymorphic minisatellite locus, located in the subtelomeric region of chromosome 1. We have analyzed 90,000 human germline transmission events and found seven (7) mutations at this locus. The D1S80 alleles of the parentage trio, the child, mother, and the alleged father were sequenced and the origin of the mutation was determined. Using American Association of Blood Banks (AABB) guidelines, we found a male mutation rate of 1 . 0 4 × 1 0− 4 and a female mutation rate of 5 . 1 8 × 1 0− 5 with an overall mutation rate of approximately 7 . 7 7 × 1 0− 5. Also, in this study, we found that the identified mutations are in close proximity to the center of the repeat array rather than at the ends of the repeat array. Several studies have examined the mutational mechanisms of the minisatellites according to infinite allele model (IAM) and the one-step stepwise mutation model (SMM). In this study, we found that this locus fits into the one-step mutation model (SMM) mechanism in six out of seven instances similar to STR loci.