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The book examines the creative industries of Cameroon and Africa and makes bold the cultural triumphant assertion that Africa is home to some of the most diverse cultural patrimony and the most versatile creative professionals. It also discusses indigenous development models and questions the rationale for Eurocentric democratic paradigms which have partly contributed to the demise of a concrete democratic development entitlement in most African countries. Ngwane weaves both the cultural and political strands into a search for a homegrown development web which he calls 'glocalisation'. Ngwane's essays, most of which have animated debate and discourse in national newspapers, online blogs and International journals are lucid in their arguments, poignant in their ideological focus, rich in their non-fiction craftsmanship and urgent in their message delivery. The essays will make good reading for students of Africa studies, Development studies, Politics and Culture.
Central counterparties (CCPs) have increasingly become a cornerstone of financial markets infrastructure. We present a model where trades are time-critical, liquidity is limited and there is limited enforcement of trades. We show a CCP novating trades implements efficient trading behaviour. It is optimal for the CCP to face default losses to achieve the efficient level of trade. To cover these losses, the CCP optimally uses margin calls, and, as the default problem becomes more severe, also requires default funds and then imposes position limits.
The "quiet life hypothesis (QLH)" posits that banks enjoy the advantages of market power in terms of foregone revenues or cost savings. We suggest a unified approach to measure competition and efficiency simultaneously to test this hypothesis. We estimate bank-specific Lerner indices as measures of competition and test if cost and profit efficiency are negatively related to market power in the case of German savings banks.We find that both market power and average revenues declined among these banks between 1996 and 2006. While we find clear evidence supporting the QLH, estimated effects of the QLH are small from an economical perspective.
Poster presentation: Purpose of the study The aim of the Rainbow Cohort is to assess the tolerability and efficacy of initiating treatment with, or switching treatment to saquinavir (SQV) 500 mg film-coated tablet formulation. We present the final 48-week subgroup analysis of antiretroviral therapy (ART)-naïve patients. ...
The Raped Amulet
(2008)
An extraordinary story of a young man from Africa who tries hard to reconcile the ways he had grown up with, and those he was experiencing in his host country - Great Britain. The story is set in Coventry, in the English Midlands and is told by Dion Ekpochaba, a postgraduate student at the University of Warwick. Dion, fresh from his motherland, Cameroon, loses an amulet, a cherished heritage of his ancestry and becomes desperate about the loss. He meets an elderly English man, Tom Jones who makes a startling revelation: the amulet had just been desecrated by his dog and thrown into the depths of a lake in the campus. Dion became so flabbergasted that Tom Jones thought he might have gone out of his mind. The two strangers tried to understand each other to no avail. However, the misfortunes of time turn the tides, resulting in a friendship, which provides grounds for mutual understanding and respect for each other's ways. Read on and spark your views on making the world a better place.
The reaction of consumer spending and debt to tax rebates – evidence from consumer credit data
(2008)
We use a new panel dataset of credit card accounts to analyze how consumer responded to the 2001 Federal income tax rebates. We estimate the monthly response of credit card payments, spending, and debt, exploiting the unique, randomized timing of the rebate disbursement. We find that, on average, consumers initially saved some of the rebate, by increasing their credit card payments and thereby paying down debt. But soon afterwards their spending increased, counter to the canonical Permanent-Income model. Spending rose most for consumers who were initially most likely to be liquidity constrained, whereas debt declined most (so saving rose most) for unconstrained consumers. More generally, the results suggest that there can be important dynamics in consumers’ response to “lumpy” increases in income like tax rebates, working in part through balance sheet (liquidity) mechanisms.
In this study I analysed past and recent Daphnia populations from Lake Constance and Greifensee. Herefore, I first established a set of microsatellite markers applicable to European Hyalodaphnia species (chapter 1). Primers were also identified for species specific fragment lengths. 32 markers were then available to characterize the resting egg banks of Daphnia galeata and D. hyalina. Chapter 2 presents the reconstruction of the taxonomic composition in these two ecologically different lakes. This part of my work shows that the eutrophication that occurred in both lakes in the mid of the last century has strongly influenced the Daphnia populations. In both lakes Daphnia galeata established and hybridized with the indigenous D. hyalina. Interspecific hybridization resulted in introgression on the mitochondrial and nuclear level. In chapter 3 resting eggs from the sediments of the 1960s, 1970s, 1980s, 1990s and 2000s were characterized with microsatellite markers. The aim was to specify the extent of interspecific hybridization and nuclear introgression assuming that the genetic exchange between both species has an impact on their adaptation to their habitat. In life history experiments D. galeata and D. galeata x hyalina clones hatched from different time periods showed significant differential responses to food quality. Therefore, the question had to be answered how the Daphnia resting egg bank and the planktonic population are connected. In chapter 4 hatching experiments were conducted to bridge this gap of scientific knowledge in the life cycle of cyclic parthenogenetic waterfleas. Only D. galeata individuals were able to establish a clonal lineage after maturity. All observed recombinant individuals did not reproduce at all or firstly went through another sexual phase of reproduction i.e. produced resting eggs. In order to compare the findings of chapter 4 with the taxon composition of the recent planktonic population of Daphnia in Lake Constance, samples were taken over one season (between May 2005 and September 2006). During the season, the taxonomic composition of Daphnia changes severely with D. galeata being most abundant during the warm season and D. hyalina in the cold season. Moreover, some individuals were detected, that did not follow this pattern. With mitochondrial analysis those individuals were identified as mitochondrial introgressants and processed to life history experiments. Significant differences in the somatic growth rate under different temperatures (5°C, 12.5°C and 20°C) were related to the origin of the mitochondrial genome rather than the nuclear taxonomic assignment of the individual.
The findings of this study show that all organisms exposed to rapid ecological changes and their microevolutionary reaction to those.
The unfolding discussion will focus on the internal representation of turbulent sounds in the phonology of German as well as pinpoint the special status of the prime defining the quality of turbulence. It will also be argued that this prime is capable of entering into special types of licensing relations, which results in specific phonetic manifestations of forms. We shall compare the effects of two processes attested in German: consonant degemination and spirantisation with a view to revealing the role of the turbulence-defining element in the two operations. Furthermore, our attention will be focused on the workings of the Obligatory Contour Principle which, as will be shown below, exerts decisive impact on prime interplay and consequently the phonetic realization of sounds and words. We shall see that segmental identity is contingent on the languagespecific interpretation of inter-element bonds.
Aware of the importance of prime autonomy in determining the manifestation of sounds, let us start with a brief outline of the fundamental segment structure principles offered by the theory of Phonological Government.
Rezension von: Rainer Forst (2007) Das Recht auf Rechtfertigung. Elemente einer konstruktivistischer Theorie der Gerechtigkeit. Frankfurt am Main: Suhrkamp, 413 pp.
Objectives To examine the dose-response relationship between cumulative exposure to kneeling and squatting as well as to lifting and carrying of loads and symptomatic knee osteoarthritis (OA) in a population-based case-control study. Methods In five orthopedic clinics and five practices we recruited 295 male patients aged 25 to 70 with radiographically confirmed knee osteoarthritis associated with chronic complaints. A total of 327 male control subjects were recruited. Data were gathered in a structured personal interview. To calculate cumulative exposure, the self-reported duration of kneeling and squatting as well as the duration of lifting and carrying of loads were summed up over the entire working life. Results The results of our study support a dose-response relationship between kneeling/squatting and symptomatic knee osteoarthritis. For a cumulative exposure to kneeling and squatting > 10.800 hours, the risk of having radiographically confirmed knee osteoarthritis as measured by the odds ratio (adjusted for age, region, weight, jogging/athletics, and lifting or carrying of loads) is 2.4 (95% CI 1.1-5.0) compared to unexposed subjects. Lifting and carrying of loads is significantly associated with knee osteoarthritis independent of kneeling or similar activities. Conclusions As the knee osteoarthritis risk is strongly elevated in occupations that involve both kneeling/squatting and heavy lifting/carrying, preventive efforts should particularly focus on these "high-risk occupations".