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Stochastic processes --- Model theory

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Technologie --- Projectonderwijs --- Ontwikkeling --- Model (wetenschap)

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Theoretical and empirical analysis of the structure of household portfolios.Until recently, researchers in economics and finance paid relatively little attention to household portfolios. Reasons included the tendency of most households to hold simple portfolios, the inability of the dominant asset pricing models to account for household portfolio incompleteness, and the lack of detailed databases on household portfolios in many countries until the late 1980s or 1990s. Now, however, the analysis of household portfolios is emerging as a field of vigorous study.The eleven chapters in this collection provide an overview of current theoretical knowledge about the structure of household portfolios and compare predictions with empirical findings. The book describes the state-of-the-art tools of analytical, computational, and econometric investigation, as well as some of the key policy questions. It provides an original comparative analysis of household portfolios in countries for which detailed household-level data are available (the United States, the United Kingdom, Italy, Germany, and the Netherlands). Finally, it uses microdata for an in-depth study of the portfolio composition of population groups of special policy interest, such as the young, the elderly, and the rich.

Portfolio management --- Capital assets pricing model --- Saving and investment --- Finance --- Business & Economics --- Investment & Speculation --- Capital asset pricing model --- CAPM (Capital assets pricing model) --- Pricing model, Capital assets --- Capital --- Investments --- Mathematical models --- ECONOMICS/Finance --- ECONOMICS/Microeconomics

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The Lake Louise Winter Institute is held annually to explore recent trends in physics. The proceedings contain pedagogical and review lectures by invited experts and contributed presentations by participants.
Contents:

• Physics at TESLA (G A Blair)
• Searches at HERA (N Delerue)
• Particle Production and Multiplicity in Heavy Ion Collisions at PHENIX (L Ewell)
• Two Photon Physics at LEP (D Haas)
• Higgs Searches with the DELPHI Detector (J Hansen)
• Noncummutative Field Theories and Spontaneous Symmetry Breaki

Particles (Nuclear physics) --- Standard model (Nuclear physics) --- Measurement

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We identified risk factors associated with falling during steeplechase racing. We used retrospective data from all steeplechase runs on UK racecourses during 1999: 10,866 starts with 647 horse falls. The relationship between continuous variables and falling was assessed using generalised additive models (GAMs). Polynomial fits then were included in a multilevel, multivariable logistic-regression model. The number of runners had a linear, positive association with the risk of falling. The distance of the race had a non-linear relationship with the risk of falling; the risk steadily increased in races up to 23 furlongs (1 furlong~198 m), and then decreased in longer races. Age also had a significant, non-linear relationship with the risk of falling: a decreasing risk up to 12 years of age followed by an increasing risk in older horses. Horses that wore visors and had raced previously were associated with a decrease in the risk of falling. Intra-class correlation coefficients (ICCs) showed that although most of the variation resided at the start (level 1), a proportion of variation in the risk of falling could be attributed to horse and race. Trainer and jockey contributed very little to the variation in the risk of falling

Age. --- Association. --- Distance. --- Horse. --- Horses. --- Level. --- Model. --- Models. --- Retrospective. --- Risk-factors. --- Risk. --- Variation.