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This study describes risk factors associated with mortality among COVID-19 cases reported in the WHO African region between 21 March and 31 October 2020. Average hazard ratios of death were calculated using weighted Cox regression as well as median time to death for key risk factors. We included 46 870 confirmed cases reported by eight Member States in the region. The overall incidence was 20.06 per 100 000, with a total of 803 deaths and a total observation time of 3 959 874 person-days. Male sex (aHR 1.54 (95% CI 1.31–1.81); P < 0.001), older age (aHR 1.08 (95% CI 1.07–1.08); P < 0.001), persons who lived in a capital city (aHR 1.42 (95% CI 1.22–1.65); P < 0.001) and those with one or more comorbidity (aHR 36.37 (95% CI 20.26–65.27); P < 0.001) had a higher hazard of death. Being a healthcare worker reduced the average hazard of death by 40% (aHR 0.59 (95% CI 0.37–0.93); P = 0.024). Time to death was significantly less for persons ≥60 years (P = 0.038) and persons residing in capital cities (P < 0.001). The African region has COVID-19-related mortality similar to that of other regions, and is likely underestimated. Similar risk factors contribute to COVID-19-associated mortality as identified in other regions.
Temporal and spatial patterns in flowering phenology were assessed for eight tropical African tree species. Specifically, the frequency and seasonality of flowering at seven sites in central Africa were determined using field data, graphical analysis and circular statistics. Additionally, spatial variation in the timing of flowering across species range was investigated using herbarium data, analysing the relative influence of latitude, longitude and timing of the dry season with a Bayesian circular generalized linear model. Annual flowering was found for 20 out of the 25 populations studied. For 21 populations located at the north of the climatic hinge flowering was occurring during the dry season. The analysis of herbarium collections revealed a significant shift in the timing of flowering with latitude for E. suaveolens, and with the timing of the dry season for M. excelsa (and to a lesser extent L. alata), with the coexistence of two flowering peaks near the equator where the distribution of monthly rainfall is bimodal. For the other species, none of latitude, longitude or timing of the dry season had an effect on the timing of flowering. Our study highlights the need to identify the drivers of the flowering phenology of economically important African tree species.
Multinationals from Brazil, Russia, India and China, known as the BRIC countries, are a new and powerful force in global competition and are challenging the incumbency of much older global companies from the developed world. Emerging market multinational enterprises (EMNEs) now account for a quarter of foreign investment in the world, are a prolific source of innovation and make almost one in three cross-border acquisitions globally. Despite this, traditional theories of international business do not provide a satisfactory explanation of their behaviour or performance. The authors of this book shine new light on the rise of the EMNEs and how they have built a competitive advantage through innovation, novel configurations of their international value chains and the acquisition of companies overseas. Any manager, policy maker or researcher who wishes to understand the emergence of this new breed of multinational will find this book an invaluable resource.
Until recently, when the question ‘what are the competitive advantages of multinationals from emerging economies in the global market?’ was posed to either academics or Western executives it typically elicited a simple response: ‘None’. To the extent that these firms from emerging economies were winning market share abroad, this was explained by the fortuitous access to so called ‘country-specific advantages’ (CSAs) such as a pool of low-cost labour in their home base (Rugman and Verbeke, 2001). Their success was viewed as a legacy of their birth. They were generally thought to lack ownership of the rich stocks of proprietary, intangible assets that theory argued was required for multinationals to be an efficient organisational form (Caves, 1986). Dunning (2001) termed the benefits of these intangible assets ‘ownership advantages’ – a term chosen to emphasise the idea that the transaction costs involved in transferring these assets (and hence their associated advantages) across borders using market mechanisms are higher than the costs of transferring them internally within an organisation under the same ownership. Without these intangible assets there was no reason why their products and resources should not be exchanged internationally through trade in an open market. According to a strict interpretation of this theory, therefore, the existence of emerging market multinational enterprises (EMNEs) must simply be the result of market distortions such as trade barriers or government support.
The aim of this book has been to better understand the extent, nature and roots of the competitive advantage of emerging market multinational enterprises (EMNEs) and, in particular, the ways in which their internationalisation is contributing to the enhancement of that competitive advantage. To do so we examined three, inter-related factors that might potentially help EMNEs build competitive advantage: innovation, value-chain configuration and cross-border mergers and acquisitions (M&A); we compared and contrasted the experience of firms from each of the BRIC countries (Brazil, Russia, India and China). We now step back to draw some conclusions from this analysis.
We begin with some general observations about the way innovation, value-chain configuration and cross-border M&A appear to interact to create competitive advantage for EMNEs. Our aim is to provide a framework that will help to bring together the various strands of our analysis and provide an appropriate context for the interpretation of our findings. With this integrated framework in mind, we offer generalisations about the competitive advantages of EMNEs observed from the evidence in the earlier chapters. In doing so, we show how some of the puzzles that the behaviour of EMNEs has posed for international business theorists might be resolved. We also discuss whether findings from our BRIC sample might apply to the next rung of emerging economies. Finally, we look at the implications for managers of the appearance of EMNEs as global competitors (both for managers within incumbent competitors and the EMNEs themselves) and for policy makers in governments.