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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
231

Capturing mobile security policies precisely

Hallett, Joseph January 2018 (has links)
The security policies of mobile devices that describe how we should use these devices are often informally specified. Users have preferences for some apps over others. Some users may avoid apps which can access large amounts of their personal data, whilst others may not care. A user is unlikely to write down these policies or describe them using a formal policy language. This is unfortunate as without a formal description of the policy we cannot precisely reason about them. We cannot help users to pick the apps they want if we cannot describe their policies. Companies have mobile security policies that definehowan employee should use smart phone devices and tablet computers from home at work. A company might describe the policy in a natural language document for employees to read and agree to. They might also use some software installed on employee's devices to enforce the company rules. Without a link between the specification of the policy in the natural language document and the implementation of the policy with the tool, understanding how they are related can be hard. This thesis looks at developing an authorisation logic, called AppPAL, to capture the informal security policies of the mobile ecosystem, which we define as the interactions surrounding the use of mobile devices in a particular setting. This includes the policies of the users, the devices, the app stores, and the environments the users bring the devices into. Whilst earlier work has looked on checking and enforcing policies with low-level controls, this work aims to capture these informal policy's intents and the trust relationships within them separating the policy specification from its enforcement. This allows us to analyse the informal policies precisely, and reason about how they are used. We show how AppPAL instantiates SecPAL, a policy language designed for access control in distributed environments. We describe AppPAL's implementation as an authorisation logic for mobile ecosystems. We show how we can check AppPAL policies for common errors. Using AppPAL we show that policies describing users privacy preferences do not seem to match the apps users install. We explore the differences between app stores and how to create new ones based on policy. We look at five BYOD policies and discover previously unexamined idioms within them. This suggests aspects of BYOD policies not managed by current BYOD tools.
232

Les politiques économiques dans les pays émergents d'Europe / Economic policies in Emerging Europe Countries

Kacarevic, Ivan 03 May 2016 (has links)
Les pays émergents d’Europe PEE déclenchèrent simultanément, il y a déjà 25 ans, une transformation de leurs économies la plus grande dans l’histoire économique contemporaine. Bien que l’idée de l’économie du marché l’ait emporté sur celle de l’économie planifiée en formant des expectations élevées de la convergence rapide, les PEE toujours peinent à aller de pair avec l’environnement global plain de bouleversements économiques. Cette étude vise à éliminer partiellement une lacune théorique en matière des politiques économiques en révisant des conclusions théoriques existantes dans le cadre de l’économie de la transition. Le but de telle révision était simple : il était nécessaire de comprendre toutes les contraintes inhérentes aux ces pays qui peuvent perturber les effets des politiques économiques bien que celles-ci se soient montrées très efficaces dans les pays développés. La crise financière de 2007/08 révéla l’existence des défauts importants des PEE en mettant en défi la sagesse populaire de l’implémentation universelle des politiques favorables au marché dans différents pays. C’est la raison pour laquelle cette œuvre est désignée de mettre en relief toutes les obstacles qui empêchent des politiques macroéconomiques – politique budgétaire et politique monétaire - d’être mises en œuvre. En outre, il est montré que les politiques structurelles favorables au marché ne sont pas suffisantes de compenser ses contraintes. Cette thèse, en s’appuyant sur la théorie de la croissance économique et la théorie de la transition économique, encourage l’idée de l’inclusion des politiques industrielles en tant que le factor qui a manqué dans la stratégie de réforme dans les PEE. / Emerging Europe Countries (EEC) triggered the greatest simultaneous economic transformation in the economic history 25 years ago. Although, the idea of market economy prevailed over planned economy building expectation about the speed of convergence process, EEC are still struggling to keep pace with the turbulent global economic environment. This study aims to partially fulfil the gap in economic theory in terms of economic policies reviewing existing theoretical conclusions within economics of transition. The purpose of this overview is simple: we needed to understand every possible limitation inherent in these economies that can distort the effects of economic policies even they showed high effectiveness in developed countries. The 2007/08 financial crises shed light on the existence of important weaknesses that these economises suffer from and challenged the conventional wisdom about unified implementation of market friendly policies over diversified countries. This analysis emphasises all constraints of macroeconomic policies – fiscal and monetary – to be fully deployed in EEC as well as insufficiency of market friendly structural policies to compensate these limitations. Relaying on the theory of economic growth and the theory of economic transition this study is encouraging the idea of the consideration of industrial policies as the missing element of reform strategy of EEC.
233

Http://www the effect of service determinants on customer purchase and return behavior in the online fashion industry

Burman, Louise, Stricker, Emelie January 2018 (has links)
To be present online is seen, in recent time, as a necessity for fashion companies in order to sustain on the market. Since online shopping lack the opportunity for customers to try on purchased products it entails a risk of experiencing dissatisfaction when orders are received. Through this, customers demand determinants that ensure safety within the purchase. Different kinds of customers might, however, possess various motivations for purchasing, stressing the requirements for variety in service value deliverance. Therefore, purchase and return policies comprise a significant importance in order to create attractiveness towards customers. The problem, though, consists of the balance between offering lenient purchase and return policies, to create competitiveness, but still considering excessive purchasing and depreciation of product value. There are several determinants affecting the shopping experience online. These were combined, with components of an online purchase, in a theoretical model to empirically test the key conceptual ideas embedded in the consumption system perspective. Further, primary data was conducted through company interviews and focus group interviews, with the aim to explore customer behavior online. Findings, from interviews compared with secondary data, analyzed through the theoretical model, indicates that the right of withdrawal and its additional components such as charges, time and inconvenience is interpreted differently by different customers. Further, it is up to e-tailers to discover the benefits and drawbacks of different policies in order to detect the most suited policy for them and their customers.
234

Négocier l'asymétrie : les politiques extérieures européennes au regard des relations entre acteurs marocains et européens du gouvernement des migrations / Negotiating asymmetry : analysing European external policies through the relationship between Moroccan and European actors of the government of migrations

El Qadim, Nora 09 December 2013 (has links)
Cette thèse porte sur les relations entre le Maroc et l’Union européenne autour des questions migratoires depuis 1999, en particulier sur les négociations depuis 2003 d’un accord de réadmission, c’est-à-dire d’un accord organisant le retour forcé de migrants en situation irrégulière. À partir d’une approche postcoloniale, ce travail questionne l’eurocentrisme des analyses existantes des politiques extérieures de l’UE. L’objectif est de pluraliser les sujets des négociations internationales. Ceci passe d’abord par une étude de l’historicité et de la complexité institutionnelle des politiques migratoires marocaines. Ceci passe aussi par une analyse sociologique des pratiques de résistance des acteurs étatiques marocains aux pressions de l’Union européenne et des pays européens dans le domaine des politiques migratoires. Nous montrons ainsi que les négociations ne relèvent pas seulement du domaine des high politics, mais font aussi partie des pratiques quotidiennes d’acteurs administratifs engagés dans des luttes concurrentielles nationales et internationales. C’est dans ces luttes quotidiennes que transparaît la capacité d’action des acteurs marocains et la remise en cause de l’asymétrie des relations avec les pays européens. / This dissertation examines Morocco-EU negotiations on migrations since 1999, and specifically since 2003, when both partners started negotiating a readmission agreement. The purpose of such an agreement is to make it easier to deport undocumented migrants. Using a postcolonial approach, this work questions existing analyses of the EU’s external policy and their Eurocentric tendencies. The objective is to pluralize the subjects of international negotiations. The first step towards this objective is to study the historical and institutional complexity of Moroccan as well as European actors. A second important step is to offer a sociological analysis of resistance practices of Moroccan actors to pressures from the EU and European countries. I demonstrate in this work that negotiations, far from being limited to the realm of high politics, are part of the day-to-day practices of administrative actors who are engaged in national and international competition. It through the analysis of everyday contestations that one can understand the agency of Moroccan actors and the ways in which they constantly question the asymmetry of their relationships with European countries.
235

A study on the impacts of the economic and trade policies of Taiwan on the development of the automobile industry of Taiwan

Gao, Jin-lai 26 August 2007 (has links)
In the past 10 years, the automobile market of Taiwan has been about 400,000 automobiles per year, and the average output per automaker in Taiwan has been in the range from 30,000 to 50,000 automobiles per year. According to the relevant studies, to reach the goal of economic size of production, 100,000 automobiles should be produced per model per year and the total output of an automaker should be more than 400,000 automobiles. There are 10 automakers in Taiwan. What are the economic and trade policies that have brought about so many automakers in Taiwan? Is this an example of extreme loosening of the control of the automobile industry or if this has something to do with the big profit margin in the industry? Taiwan has entered the WTO; the economic and trade policies of Taiwan should be so set that they can further the development of the automobile industry of Taiwan in the Chinese market and other parts of the world by utilizing the trade advantages of Taiwan. In this study, we look into the changes of the economic and trade policies of Taiwan in terms of their impacts on the automobile industry of Taiwan; we also try to assess the causes of such changes. What are the policies that have caused the evolution of the automobile industry of Taiwan? Why can¡¦t the automakers in Taiwan develop their own brand like the manufacturers in the microelectronic industry, motorcycle industry and bicycle industry in Taiwan? In this study, from the economic perspective and the perspective of the relevant policies, we examine the consumer market and buyers¡¦ preferences on the demand side; while, on the supply side, we look into the competition strategies adopted by the automakers and their competitiveness through the R & D, production technologies and competitiveness of these automakers. We also examine the impacts of the relevant government policies on the automobile industry and the challenges posed by Taiwan¡¦s entry into the WTO. Our aim is to understand the problems and difficulties found in the government policies and the evolution of the automobile industry of Taiwan so that we infer how the government policies will be evolved into and the crucial factors that have caused the changes in the policies. In this study, we look into how the crucial factors have caused the changes in the automobile industry. Through the previously described approaches and the assessment of the policies relating to the automobile industry, we can identify the successful and failure experience in the past and infer the competitive advantages and the policies in the future. Also, through the simulation of the optimal development direction of the policies relating to the automobile industry, we bring forth the future development direction of the automobile industry for the reference of the relevant government agencies so as to create an environment that allows the manufacturers of the industry to establish production facilities in China and to enter other markets of the world and so that the goals of autonomous product development and the sustainable development of the automobile industry of Taiwan may be reached and the products of these manufacturers may be more competitive in terms of the global market.
236

Justifying Preferential Treatment - Preferential Policies in Theory and Reality

Bruhagen, Åsa January 2006 (has links)
<p><b>Background and problem:</b> It is important for a policy aiming at overcoming discrimination to be justifiable as just or as creating justice. When a policy is implemented lacking such qualities it is argued to be unjust, which creates a problem. During the last decades there has been massive immigration to the Western countries from countries marked by war and disaster. This has created problems of integration into the “new” society, and the use of preferential policies has become increasingly topical. Whether or not the use of preferential policies is a just method is the basis of this thesis.</p><p><b>Aim</b>: The aim of this thesis is to study the concept of preferential policies in an impartial perspective of fairness. By impartial it is meant to present facts speaking both for and against preferential policies as being just. The main question of this thesis is whether or not preferential treatment is a just method to create equality within the society.</p><p><b>Method</b>: A research method of textual analysis has been used combined with an analysis of structure of arguments.</p><p><b>Theoretical framework</b>: First, definitions of discrimination and preferential policies as such are focused upon in the third chapter. Second, the concept of social justice and its connection to preferential policies is treated. The question if preferential policies should be directed towards individuals or groups is a central question in the debate and it will demand its space in this thesis. Here the importance of merit will be discussed. The section about individuals and groups will be followed by a section discussing the importance of ethnic diversity which will be followed by a comparison of the development of preferential policies in the USA and Sweden. Last, there will be a section where an attempt to generalize between arguments is made.</p><p><b>Conclusions and Discussion</b>: In this part a conclusion and a discussion will be presented. Here conclusions will be drawn from the gathered material. Finally there will be a discussion on the subject and of how the research procedure has proceeded.</p>
237

Farmland biodiversity - in the hands and minds of farmers : effects of landscape structure, management and the farmer's interest in nature /

Ahnström, Johan, January 2009 (has links) (PDF)
Diss. (sammanfattning) Uppsala : Sveriges lantbruksuniv. / Härtill 5 uppsatser.
238

Recent high school immigrants’ program placement and academic performance in Texas schools : what do we know and what do we need to know

Lee, Pei-Ling 06 July 2012 (has links)
The study explored the relationship between program placement policies regarding the education of recently immigrated students and selected outcomes for these newcomers in urban high schools located in Texas under the implementation of NCLB. In an effort to better understand the impact of such policies on immigrant learning opportunities, this research investigated how newcomers’ identification and promotion, which were based upon English language proficiency testing, affected recent immigrant students’ program placement, course completion and educational achievement. In addition, this study used secondary data analysis to examine how newcomers’ background characteristics were associated with their grade retention rates. Finally, the relationship between students’ background characteristics and newcomers’ academic performance in language arts and mathematics subject areas were examined. This research attempted to answer questions including: 1) How do newly arrived youth students enrolled in newcomer programs, schools, and those enrolled in traditional English as a Second Language (ESL) programs differ with regard to characteristics, such as race, gender, socioeconomic status (SES), course completion, grade retention, and language spoken at home?, 2) How do the differences in characteristics of newly arrived youth students relate to grade retention?, 3) What is the relationship between the growth in academic achievement and newly arrived youth students’ demographic characteristics while enrolled in different programs?, and 4) What kinds of learning opportunities and educational supports are provided by traditional ESL programs, newcomer programs, and newcomer schools for newly arrived youth students in northern and central Texas? Findings indicated newly arrived immigrant adolescents are consistently the most disadvantaged group due to their later start age with limited English proficiency facing a new culture. In general, recently arrived immigrant youths appear to benefit more from teachers with ESL certification as well as even much more experience for serving immigrant adolescents in a safe and caring environment, newcomer schools. / text
239

China’s standardization & intellectual property policies : in light of WTO regime and membership

Sozumert, Sait 05 August 2011 (has links)
China's policy makers see international standards as a barrier to their country's economic development, more importantly, as an offence to the country's national pride. This belief has been reinforced by the view that multi-national companies have used international standards to force developing countries to deprive them of the ability to enter the international markets by forcing them to pay high royalty rates, due to the patents incorporated in these standards. Moreover, these standards, as they believe, have been created at international standards setting platforms dominated by multi-national companies and developed countries. In return, China has launched several initiatives to create home-made Chinese standards free from patent claims of these companies. China's home-madestandards, some of which differ significantly from international standards, also reportedly serve to protection of its domestic market. China's accession to the WTO was formally approved in November 2001 and China became the WTO's 143rd member on December 11, 2001. WTO membership opened a new era for China. In spite of the international expectations for removal of all trade protection mechanisms which are incompatible with the international trade regime, China is reported to have sought to reform its policies by employing new strategies concerning IPR and standards. The thesis of this report is that China has not diverged significantly from developing home-made Chinese standards after the country’s entry into the WTO, but Chinese authorities have adopted more flexible strategies to implement this policy. Accordingly, this report is about change in policy strategies. I argue that China has continued to enforce its own will upon foreign companies with a strong self-confidence stemming from its ability to negotiate on unequal terms with foreign companies, owing to its sheer market size. However, China's new strategies have been shaped by weak coordination and disagreement among government agencies and institutions. To illustrate the potential explanatory power of this account, I have examined two important home-made standards initiatives by China; Wireless Authentication and Privacy Infrastructure (WAPI) and Audio Video Coding Standards (AVS). From the examination of the WAPI and AVS cases, I conclude that China's strategies have continued to evolve through disagreements and negotiations between Chinese government institutions within policy boundaries set by China's WTO membership and increasing international criticism. / text
240

Higher Education and National Development: The Response of Higher Education Institutions in Malawi (2000-2010)

Felix Benson Mwatani Editor Lombe January 2013 (has links)
<p>Theoretically, the role of higher education in national development has become clearer than before, while empirically the evidence is overwhelming. Elsewhere in the world, countries that have made tremendous strides in both social and economic development invested heavily and strategically in higher education. In Malawi, the role of higher education in national development has always been recognised by development policies since independence in 1964 <span style="mso-bidi-font-style:italic">However, with the exception of the first 15 years of independence, Malawi&rsquo / s development path has registered abysmal results both on the social and the economic fronts despite undergoing significant socio-economic and political reforms. Malawi remains one of the most underdeveloped countries whether judged by Gross National Product (GNP) per capita, the UNDP&rsquo / s Human Development Index (HDI) or the Human Poverty Index (HPI). One of the factors that is considered as having contributed to low levels of development is the performance of education systems (primary, secondary and higher education) (World Bank, 2009).</span>It is against this background that this study sought to examine how Malawi&rsquo / s higher education institutions (HEIs) have responded to their roles as prescribed by the national development policies with a focus on the period between 2000 and 2010. Four questions guided the study: i) what specific roles do national development policies define for HEIs to ensure that higher education contributes to national development? ii) To what extent are these roles performed by HEIs in Malawi? iii) What factors determine the performance of HEIs in their expected roles? iv) What pattern of response to their (HEIs&rsquo / ) expected roles can be identified? Theoretically and analytically, the study was informed by the two perspectives of the open systems theory, namely the resource-dependency approach and neo-institutional approach. These two approaches contend that actions by organisations are limited and influenced by various pressures and demands emanating from their internal and external environments and that organisations often respond accordingly in order to survive. Methodologically, the study employed a mixed-method design (of qualitative and quantitative) with a dominant usage of qualitative methods. A multiple case study approach was used in which data were collected through unstructured interviews, semi-structured interviews and documentary review. For qualitative data, the analysis was done using a text method while quantitative data were analysed using Statistical Package for Social Sciences (SPSS) and Microsoft Excel to provide simple descriptive analysis through charts, tables and graphs.<span style="mso-fareast-font-family:TimesNewRoman"> Overall, the study found that Malawi development policies expect HEIs to enhance access, equity, relevance, efficiency and quality of higher education as a way of ensuring that higher education contributes to the national development project. However, the study identified several patterns of response by HEIs (towards these expected roles) that tentatively explain the sub-optimal contribution of higher education in national development. These patterns of response include: inclination towards responding to the politically sensitive crises in the higher education system (for public HEIs) and profit-compatible roles (for private HEI) / use of sub-standard resources and methods antithetical to genuine teaching and learning / duplication by private HEIs of the &ldquo / soft&rdquo / roles being undertaken by public HEI / the abandonment of some of the HEIs&rsquo / original ideals and founding pledges, which are compatible with national development roles / and substitution of long-term coherent academic planning by short-term survival strategies. </span><span style="mso-bidi-font-size:18.0pt / mso-fareast-font-family:TimesNewRoman / mso-bidi-font-family:Arial / color:black / mso-fareast-language:EN-US / mso-bidi-font-weight: bold">The study presents a number of implications, lessons and recommendations in the area of higher education and development. These include: the need for the government to recognise the importance and impact of intra-sectoral linkages in the entire education system on the performance of HEIs / the need to enforce the effective participation of private and public HEIs in national developmental project by establishing a proper regulatory framework / the need to enhance regional and internal collaboration among universities if they are to effectively respond to national roles / the need to reduce marginalisation of HEIs by maximising efforts that create linkages with the productive sector / the need to devise a robust public financing mechanism that broadly deals with issues of equity, relevance, quality and access of higher education / and the need to match education investment priorities and sequencing with development policies</span></p> <p>&nbsp / </p> <p class="MsoNormal" style="text-align:justify">&nbsp / </p> <p>&nbsp / </p>

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