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21.
Public–private partnerships (PPPs) are perhaps the key emergent theme in the delivery of what the socio-economic literature terms global public goods. In light of the problems relating to the distribution of health services and products in developing countries, partnerships between public and private institutions are often proposed as an innovative mechanism to reconnect and reorient supply and demand. In this area, the International Aids Vaccine Initiative (IAVI), which is driving the development of candidate HIV/AIDS vaccines through injections of capital into the research process, represents a significant case study. IAVI seeks to form partnerships between key public and private interests committing them to sharing the risks, costs and benefits of research into an effective and affordable vaccine against HIV. Our empirical work covers partnerships based in several countries including Kenya, Uganda, Rwanda and India. Our early findings highlight IAVI's ability as a learning institution as it adapts its institutional arrangements to various local contexts. An offshoot of this appears to be the building of real local capacity. 相似文献
22.
Outlining some recently obtained results of Hu and Rosenberger [2003. Optimality, variability, power: evaluating response-adaptive randomization procedures for treatment comparisons. J. Amer. Statist. Assoc. 98, 671–678] and Chen [2006. The power of Efron's biased coin design. J. Statist. Plann. Inference 136, 1824–1835] on the relationship between sequential randomized designs and the power of the usual statistical procedures for testing the equivalence of two competing treatments, the aim of this paper is to provide theoretical proofs of the numerical results of Chen [2006. The power of Efron's biased coin design. J. Statist. Plann. Inference 136, 1824–1835]. Furthermore, we prove that the Adjustable Biased Coin Design [Baldi Antognini A., Giovagnoli, A., 2004. A new “biased coin design” for the sequential allocation of two treatments. J. Roy. Statist. Soc. Ser. C 53, 651–664] is uniformly more powerful than the other “coin” designs proposed in the literature for any sample size. 相似文献
23.
One of the most important issue relating to corporate governance reports refers to their ability to provide users with a complete set of information regarding the effective ability of an entity to achieve oversight objectives by the compliance to corporate governance practices required by a specific law or industry code. In addition, other features, such as the quality of the internal auditing function or the sensitivity of top management to issues relating to corporate internal controls and risk management, can also be taken into account when formulating a judgment on the quality of corporate governance practices. Is there an association between the compliance to codes and internal controls effectiveness? We propose to assess the quality of corporate governance through a proxy that considers several characteristics of internal audit departments and combines them to determine an Internal Audit Departments global quality index—IAD Index. To define IAD global quality we consider the effectiveness of an internal audit function analysing its operational aspects. The IAD Index is based on several signalling elements that previous literature assumed as proxies for quality of IADs which are grouped into four pillars: a formal quality index; a static quality index; an activity-related quality index; and a performance-linked quality index. We then test the IAD index on a sample of Italian listed firms and conclude that there are significant associations (positive and negative) between the degree of compliance to some corporate governance regulations for listed firms and the IAD Index for the sample being considered. 相似文献
24.
Alessandro Citanna Paolo Siconolfi 《Econometrica : journal of the Econometric Society》2010,78(1):309-347
We prove the generic existence of a recursive equilibrium for overlapping‐generations economies with uncertainty. “Generic” here means in a residual set of utilities and endowments. The result holds provided there is a sufficient number of potentially different individuals within each cohort. 相似文献
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26.
Alessandro Di Bucchianico Jan Friso Groote Kees Van Hee Ronald Kruidhof 《统计学通讯:模拟与计算》2013,42(2):346-359
Common software release procedures based on statistical techniques try to optimize the trade-off between further testing costs and costs due to remaining errors. We propose new software release procedures where the aim is to certify with a certain confidence level that the software does not contain errors. The underlying model is a discrete time model similar to the geometric Moranda model. The decisions are based on a mix of classical and Bayesian approaches to sequential testing and do not require any assumption on the initial number of errors. 相似文献
27.
ABSTRACT The globalization of socio-economic relations is a central topic of discussion in both the general literature on economy and society and in the area of food and agriculture. Many maintain that we are in a transition from one era, termed Fordism, to another, called Global Post-Fordism. We use the case of two fisheries eco-labeling programs to inform discussions regarding the emergence of stabilizing socio-economic mechanisms in the Global Post-Fordist era. We argue that recent developments in the tuna-dolphin case, the first major experiment with eco-labeling in the fisheries industries, combined with the Marine Stewardship Council, an initiative designed to regulate and certify a system of global “sustainable fisheries” through an eco-labeling program, provide valuable insights into the ideological and organizational structure of salient global actors in the Post-Fordist era. The discussion addresses (1) the contested terrain within the “North” and between the “North” and the “South” regarding eco-legislation to regulate the global fisheries; (2) the fracturing of the environmental movement into “mainstream” and “grassroots” camps and the resulting inability to maintain a coordinated agenda to counter the globalization project; and (3) the emergence of new forms of supranational state-like regulatory mechanisms that combine science with free trade and environmental ideals and propose to resolve the global fisheries crises by providing sustainable socio-economic coordination. We conclude that the emergence of these supra-national state-like NGOs raises important implications for the sovereignty of nation-states and democratic action on the part of subordinate groups opposed to the globalization project. 相似文献
28.
Alessandro Nicoletti Susanne Melde Lorenzo Guadagno Richard E. Bilsborrow 《International migration (Geneva, Switzerland)》2023,61(5):47-59
This paper outlines recent data collection tools and methodologies that the International Organization for Migration (IOM) has been using in order to gather information on human mobility as influenced by environmental factors and their impacts. It looks at alternative ways for collecting and analysing data in the face of methodological challenges related to the multicausality of movements, the voluntary/involuntary continuum in human (im)mobility decisions in the context of environmental and climate change, and the policy and epistemological imperative from viewing migration as an adaptation strategy. The paper finds that certain data collection approaches can be quickly deployed in rapid-onset disasters as well as applied in contexts of gradual, slow-onset environmental change to provide information useful for operational responses to immediate crises and/or for developing policies in response. Some of the tools can be useful in both contexts and may support both immediate and long-term operational, policy and research objectives. 相似文献
29.
George-Marios Angeletos Alessandro Pavan 《Journal of the European Economic Association》2009,7(1):11-60
Information regarding economic fundamentals is widely dispersed in society, is only imperfectly aggregated through prices or other indicators of aggregate activity, and cannot be centralized by the government or any other institution. In this paper we seek to identify policies that can improve the decentralized use of such dispersed information without requiring the government to observe this information. We show that this can be achieved by appropriately designing the contingency of taxation on ex post public information regarding the realized fundamentals and aggregate activity. When information is common (as in the Ramsey literature) or when agents have private information only about idiosyncratic shocks (as in the Mirrlees literature), the contingency on fundamentals alone suffices for efficiency. When instead agents have private information about aggregate shocks, the contingency on aggregate activity is crucial. An appropriate combination of the two contingencies permits the government to: (i) dampen the impact of noise and hence reduce non-fundamental volatility, without also dampening the impact of fundamentals; (ii) induce agents to internalize informational externalities, and hence improve the speed of social learning; (iii) restore a certain form of constrained efficiency in the decentralized use of information; and (iv) guarantee that welfare increases with the provision of any additional information. (JEL: C72, D62, D82) 相似文献
30.
Andrea Gerali Alberto Locarno Alessandro Notarpietro Massimiliano Pisani 《Journal of Policy Modeling》2018,40(2):418-433
We evaluate the effects of the European sovereign crisis on Italian potential output (natural output, in the absence of nominal rigidities) by simulating a New Keynesian model. Our results are as follows. First, the 2011–2013 recession subtracted 1.6 percentage points from potential output growth and widened the output gap. Second, the 2013 reforms limited the reduction in output capacity to 1.4 points and enhanced long-run growth by 3. Third, once a balanced budget is achieved in the medium term, reductions in either labor or capital income taxes would boost potential output growth by 0.2 points per year. 相似文献