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We study the dynamic stability of (in)Ödelity networks, which are networks that form in a mating system of agents of two types (say men and women), where each agent desires direct links with oppo...
We develop results for the use of Lasso and post-Lasso methods to form first-stage predictions and estimate optimal instruments in linear instrumental variables (IV) models with many instruments, p. O...
Since the return to civil rule in Nigeria in 1999, the country has organised two general elections and numerous re - run elections at different levels.
We consider the occurrence of record-breaking events in random walks with asymmetric jump distributions. The statistics of records in symmetric random walks was previously analyzed by Majumdar and Zif...
Early in the twentieth century, the first works concerning Frederick W. Taylor’s theories were published in France. Real interest in applying these new work methods began at the end of World War I, w...
At least part of the effort toward attainment of health and education Millennium Development Goals (MDGs) could come from improvements in efficiency of delivery mechanisms. Hence, it is important to...
The paper applies the notion of social well-being to show that “sustainable development” should mean the maintenance of the productive base of an economy relative to its population. It is shown tha...
Risk aversion is a key element of utility maximizing hedge strategies; however, it has typically been assigned an arbitrary value in the literature. This paper instead applies a GARCH-in-Mean (GARCH-M...
Social, technological and economic time series are divided by events which are usually assumed to be random albeit with some hierarchical structure. It is well known that the interevent statistics ob...
We study multistep Bayesian betting strategies in coin-tossing games in the framework of game-theoretic probability of Shafer and Vovk (2001). We show that by a countable mixture of these strategies, ...
In this work we study the Lebesgue property for convex risk measures on the space of bounded c\`adl\`ag random processes ($\mathcal{R}^\infty$). Lebesgue property has been defined for one period conv...
We are concerned with a new type of supermartingale decomposition in the Max-Plus algebra, which essentially consists in expressing any supermartingale of class $(\mathcal{D})$ as a conditional expec...
Log-normal continuous random cascades form a class of multifractal processes that has already been successfully used in various fields. Several statistical issues related to this model are studied. W...
芬斯阙(Feenstra)、海 闻、胡永泰、姚顺利 在讨论国际数据的差异之前,先谈一谈数据来源是很重要的。全球的贸易统计数据主要来自联合国,而联合国的数据又依赖于各个成员国公布的贸易统计数据。这些报告中明显的数据差异表现为,A国说它向B国出口的商品与服务的价值与B国所说的它从A国进口的不一致。进口国与出口国公布的这些差异不仅仅是发展中国家才有的问题,在发达国家之间这种差异也非常普遍。例如,从19...
Regulations relating to disease management have traditionally been an important component of the overall environment in which international trade in agriculture products occurs. The World Trade Organi...

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