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A Dynamic Theory of Fidelity Networks with an Application to the Spread of HIV/AIDS
Fidelity networks female discrimination stochastic stability HIV/AIDS union formation
2014/12/26
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...
Sparse Models and Methods for Optimal Instruments With an Application to Eminent Domain
Inference on a low-dimensional parameter after model selection imperfect model selection instrumental variables Lasso post-Lasso data-driven penalty heteroscedasticity non-Gaussian errors moderate deviations for self-normalized sums
2014/9/10
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...
Application of Simulation Model as a Strategic Option for Determining the Amount of Time Required By an Average Voter to Cast Vote
voting elections simulation model
2011/6/1
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.
Record statistics for biased random walks, with an application to financial data
asymmetric jump distributions finite variance mechanism
2011/3/30
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...
The Application of Taylorism in France: The Role of the Michelin Family in the Rationalization of French Work
Application Taylorism The Role Michelin Family Rationalization French Work
2010/10/11
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...
Measuring Efficiency of Macro Systems: An Application to Millennium Development Goal Attainment
Macro Systems Efficiency
2009/9/1
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...
Time Varying Risk Aversion: An Application to Energy Hedging
Energy Hedging Risk Management Risk Aversion Forecasting
2011/3/31
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...
A model for interevent times with long tails and multifractality in human communications: An application to financial trading
model interevent times long tails multifractality human communications application financial trading
2010/12/17
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...
Multistep Bayesian strategy in coin-tossing games and its application to asset trading games in continuous time
Multistep Bayesian strategy coin-tossing games
2010/12/13
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, ...
Convex Risk Measures: Lebesgue Property on one Period and Multi Period Risk Measures and Application in Capital Allocation Problem
Convex Risk Measures Lebesgue Property Period Multi Period Risk Measures Application Capital Allocation Problem
2010/12/17
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...
Max-Plus decomposition of supermartingales and convex order. Application to American options and portfolio insurance
Max-Plus decomposition supermartingales convex order Application American options portfolio insurance
2010/12/17
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 cascades: aggregation properties and estimation. Application to financial time-series
Log-Normal continuous cascades aggregation properties estimation Application financial time-series
2010/12/17
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...
A Trade Regime for Sub-National Exports Under the Agreement on the Application of Sanitary and Phytosanitary Measures
Trade Regime Sub-National Exports Agreement Application of Sanitary Phytosanitary Measures
2014/4/11
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...