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This thesis uses a contextual case study approach covering the period 1985 to 2011 to examine the construction of Trinidad and Tobago's ICT4D policy as discourse. The guiding theory of method is contextualism as described in Pettigrew (1990), according to whom a contextual analysis can be characterised as: processual, by emphasising the evolution of actions embedded in specific contexts (structural and otherwise) over time; multi-stakeholder, by recognising the competing viewpoints of reality perceived by actors at different levels; longitudinal, by considering both historical and contemporary views of actions and events. Consistent with this approach a framework has been adopted here that views policy as an iterative process involving the generation of texts from events, the translation of texts into narratives, and competition between alternative narratives resulting in institutions, which, in turn, enable and constrain events. This framework facilitates understanding interactions between actors at multiple levels across time. There are three original contributions to knowledge made in this thesis. Firstly, I have proposed an analytical framework that integrates three separate bodies of literature. The discursive model of institutionalization of Phillips, Lawrence and Hardy (2004) and the ‘policy as discourse' approach of Shaw & Greenhalgh (2008) and Shaw (2010) are integrated by way of a bridge, the ‘trading zones' concept of Galison (1997) as extended by Collins, Evans, & Gorman (2007). Thereby, I developed a series of analytical constructs that can be used for contextual policy research, especially in developing countries where dominant policy narratives constrain and moderate discursive exchange when those policy narratives - which were originally articulated in advanced economies - are subsequently transferred into developing countries. Secondly, I have empirically applied the framework to the study of ICT4D policy construction in Trinidad and Tobago, generating new insights in the process. In so doing I critically examined the process of constructing policy as discourse with the aim of identifying ways in which policy could be done differently. A key finding is that the process of discursively transferring previously existing policy narratives into new contexts can result in one of three outcomes: no change - if the introduction of policy narratives had no impact whatsoever on institutions (either by creating new ones, or disrupting existing ones); the construction of policy pidgins (semi-specific yet incomplete proto-languages that mediate discursive transfer) - when discursive transfer, imitation and assemblage of narratives partially occurs; or the construction of policy creoles (full-fledged languages that facilitate not only discursive transfer, but social action) - if the discursive transfer is complemented by translation, editing and social embedding. Thirdly, I developed a model of policy creolization through which the two main factors that influence the emergence of policy pidgins and, eventually, policy creoles (both viewed as particular forms of institutions) in a setting of discursive construction were identified, namely:  The length of the temporal window over which policy actors have an opportunity to develop interactional expertise to transfer, imitate and assemble narratives, and eventually to translate, edit and embed those narratives into social actions;  The degree of intentionality of the discursive action, and subsequently the social action, that policy actors engage in, noting that there are three categories of social action: o Intentional action – which deliberately conveys particular ideas through texts. o Consequential action – which is generated as a by-product of ongoing dialogue among actors during which they may draw on broader narratives. o Emergent action – which arises through discursive contestation and struggle in ways that were not necessarily intended or predicted. This highlights that both intentionality and time are required to bridge the knowledge gaps present between the different contexts, and even so, that the policy construction process in the new context requires practitioners to develop non-trivial levels of interactional expertise. This thesis has implications for policy practice on two fronts. Firstly, the framework can be employed to assist policymakers in creating policy creoles through coordination and interaction between external mainstream narratives and alternative narratives, including those that are locally derived. In doing so, policymakers and policy analysts can unpack the conceptual constructions of their subject domain, learn how to engage with new domains (and thereby gain interactional expertise) and uncover the latent power dynamics that are reinforced by lack of critical analysis. Secondly, application of the framework provides a means of assessing institutional dynamics. This is important because of the powerful normative, cognitive and regulative functions institutions play on the development of new institutions, and ultimately on social action.

This thesis examines the impact of disease and mortality on the Royal Navy in the West Indies from 1770 to 1806. It also investigates the navy’s medical branch which was established to manage the care of sick seamen. Using an interdisciplinary approach, this thesis produces a cohesive understanding of how disease and mortality affected the navy’s presence in the West Indies and the ways in which the navy attempted to mitigate their impact. This thesis explores various aspects of naval medicine including the history of the Sick and Hurt Board, the diseases which distressed seamen, the medicines distributed by the navy, the key personnel who were integral in generating changes to the medical system and the development of hospital facilities. Largely based on Admiralty records including correspondence and minutes from the Sick and Hurt Board, ships’ muster books and surgeons’ journals, this thesis investigates the most prevalent diseases in the West Indies and the prescribed treatments advocated by the navy. It then examines how these diseases and treatments affected seamen on board ships in that region through a quantitative analysis; then focuses on a number of the integral naval personnel who ushered in sweeping changes to naval medicine; and explores the navy’s increasing desire to transition from hired sick quarters to purpose-built naval hospitals on various West Indies islands. It concludes with a case study of the development of Antigua naval hospital which demonstrates the effectiveness of these facilities in convalescing sick seamen. Through a quantitative analysis of ships’ muster books, this thesis argues that the levels of sickness and mortality in the navy in the West Indies during the late eighteenth century are largely exaggerated in historical studies while also discrediting the myth that those islands were the ‘white man’s graveyard’ for many naval personnel. By surveying over 100,000 seamen on board ships in that region, sickness and mortality figures emerge which indicate that, on average, less than 4 per cent of seamen were on the sick list at any given time and only a small percentage died, meaning that the majority remained on active duty. This thesis then argues that many of the changes to the navy’s medical system that facilitated such low percentages were primarily instigated by surgeons, physicians and captains who identified beneficial medicines and championed their general distribution among the entire fleet. By looking at these aspects of naval medicine through a multidisciplinary lens rather than a purely administrative one, it is possible to understand the true state of health of British seamen in the West Indies during the last quarter of the eighteenth century.

Tout au long du XIXe siècle, le Costa Rica a construit son identité nationale sur l’idée de « pureté et de blancheur de la race costaricienne ». C’est dans ce paradigme identitaire qu’une population afro-caribéenne provenant majoritairement de la Jamaïque est arrivée sur la côte caribéenne pour travailler à la construction du chemin de fer et dans les plantations bananières à partir des années 1870. Cette population « noire », qui ne parlait pas l’espagnol, mais l’anglais et un créole à base d’anglais, constituait « un obstacle » au projet d’identité nationale. L’année 2015 marque un tournant, car le Costa Rica vient de se redéfinir comme une « République […] multiethnique et pluriculturelle » par un amendement constitutionnel de l’article premier. Cette thèse retrace le processus complexe d’intégration de la population afro-caribéenne au Costa Rica de 1870 à 2015 et défend l’idée qu’une reconfiguration du paradigme de l’identité nationale costaricienne s’est amorcée depuis la zone la plus périphérique du Costa Rica (la province de Limon) et en grande partie par le biais des revendications sociolinguistiques et identitaires de la population caribéenne. En effet, la politique linguistique concernant l’espagnol et les langues indigènes centrées sur la relation du citoyen à la langue officielle est contrariée par la pratique fortement ancrée du créole de Limon dans la Caraïbe costaricienne. L’apport théorique des linguistes Robert Le Page et Andrée Tabouret-Keller qui ont mis en évidence comment les choix langagiers constituent des « actes d’identités » par lesquels les locuteurs exposent discursivement leur identité personnelle, leurs affiliations à certains groupes et leurs aspirations à certains rôles sociaux a retenu notre attention pour montrer que l’utilisation du créole de Limon avec ses concepts et ses symboles propres dans le contexte plurilinguistique et diglossique de la Caraïbe costaricienne révèle des positionnements identitaires favorisant une reconfiguration de l’identité nationale. En 2010, l’UNESCO a classé le créole de Limon dans son Atlas des langues du monde en danger. Existe-t-il une campagne de revitalisation au Costa Rica ? Dans une perspective intersémiotique de l’étude des reconfigurations identitaires, la littérature et les arts de la Caraïbe costaricienne ont été envisagés comme des espaces privilégiés de représentation des identités plurielles et plurilingues et d’expression des revendications sociolinguistiques et identitaires de la population caribéenne. / Throughout the 20th century, Costa Rica built its own national identity on the “purity and whiteness” of the Costa Rican race. This is the identity paradigm in which the Jamaican population found itself upon arriving on the Caribbean coast in 1870 in order to work on the construction of railways and the banana plantations. This black, non-Spanish-speaking community was a barrier to the Costa Rican national identity project. However, the year 2015, marked a turning point. In virtue of an amendment to the first article of the Constitution, Costa Rica redefined itself as a “multiethnic, multicultural Republic”. This thesis retraces the complex process of integration undergone by the Costa Rican Afro-Caribbean community from 1870 to 2015. This study claims that the existence of this recent reconfiguration of the Costa Rican identity paradigm was in part fostered by one of the country’s most peripheral areas: Limon. The works of linguists such as Robert Le Page and André Tabouret-Keller have proven that linguistic choices can be considered as “identity claims or acts” by means of which a given speaker demonstrates his identity, his background and his aspirations. The people from Limon, by means of their sociolinguistic and identity claims, have thus helped start the aforementioned process of reconfiguration. The well-established use of Creole English clashes with the government’s official policy regarding the use of the official language of Spanish and the indigenous languages. Even though Creole English is spoken in Limon, in 2010 UNESCO classified it in its Atlas of the World’s Endangered Languages. Is there thus a campaign of revitalization in Costa Rica concerning Creole English? In an attempt to analyze the changing identity paradigm from an intersemiotic perspective, this study has chosen to focus on Caribbean literature and art as they both represent powerful mediums through which the expression of the Caribbean identity is portrayed and claimed.