Whirlpool President Identifies Employee Empowerment As A Key To Success In Global Marketplace

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Analytical Model for the Tidal Evolution of the Evection Resonance and the Timing of Resonance Escape

A high-angular momentum giant impact with the Earth can produce a Moon with a silicate isotopic composition nearly identical to that of Earth's mantle, consistent with observations of terrestrial and lunar rocks. However, such an event requires subsequent angular momentum removal for consistency with the current Earth-Moon system. The early Moon may have been captured into the evection resonance, occurring when the lunar perigee precession period equals one year. It has been proposed that after a high-angular momentum giant impact, evection removed the angular momentum excess from the Earth-Moon pair and transferred it to Earth's orbit about the Sun. However, prior N-body integrations suggest this result depends on the tidal model and chosen tidal parameters. Here we examine the Moon's encounter with evection using a complementary analytic description and the Mignard tidal model. While the Moon is in resonance the lunar longitude of perigee librates, and if tidal evolution excites the libration amplitude sufficiently, escape from resonance occurs. The angular momentum drain produced by formal evection depends on how long the resonance is maintained. We estimate that resonant escape occurs early, leading to only a small reduction (~few to 10%) in the Earth-Moon system angular momentum. Moon formation from a high-angular momentum impact would then require other angular momentum removal mechanisms beyond standard libration in evection, as have been suggested previously.Comment: accepted for publicatio

Compatibility of quantum states

We introduce a measure of the compatibility between quantum states--the likelihood that two density matrices describe the same object. Our measure is motivated by two elementary requirements, which lead to a natural definition. We list some properties of this measure, and discuss its relation to the problem of combining two observers' states of knowledge.Comment: 4 pages, no figure

The effect of supervision on Ph.D. duration, publications and job outcomes

The empirical literature on the market for PH.D. graduates is generally focused on individual characteristics and their effect on scientific achievement, career prospects and/or expected earnings. In this paper, we take a closer look at the context in which graduate training takes place. Using data on 650 Ph.D. graduates from the INRA (the French National Institute of Agronomic Research) we were able to show that supervision (described by characteristics of the Ph.D. lab) strongly affects the number (and quality) of articles published during the Ph.D., as well as its overall duration. Supervision also has a significant influence on job outcomes after the ph.D. has been completed.Doctoral training;Skills acquisition;Entry on the labour market

Legislatures, Agencies, Courts and Advocates: How Laws are Made, Interpreted and Modified

This chapter explains the nature and practice of lawmaking, legal advocacy, and legal research as they relate to the field of work and family. Through reference to the Family and Medical Leave Act of 1993 as a case study, the authors explain the dynamic processes by which laws are made, interpreted and modified by legislatures, administrative agencies and courts, with the help of legal advocates. Their goal is not to provide substantive analysis of laws related to work and family, but rather to enable researchers from a range of disciplines to understand and access the legal system, as it currently exists and as it is evolving. In addition, for those inclined to change the current system through legal advocacy, this chapter provides a window into how advocates may use the lawmaking process to promote their preferred work and family policies

The Dynamics of Emerging Market Equity Flows

We study the interrelationship between capital flows, returns, dividend yields and world interest rates in 20 emerging markets. We estimate a vector autoregressionn with these variables to measure the degree to which lower interest rates contribute to increased capital flows and shocks in flows affect the cost of capital among other dynamic relations. We precede the VAR analysis by a detailed examination of endogenous break points in capital flows and the other variables. These structural breaks are traced to the liberalization of emerging equity markets. Our evidence of structural breaks call into question past research which estimates VAR models over the full sample. After a liberalization, we find that equity flows increase by 1.4% of market capitalization. We also show that shocks in equity flows initially increase returns which is consistent with a price pressure hypothesis. While the effect is diminished over time, there also appears to be a permenant impact. This is consistent with our finding that our proxy for the cost of capital, dividend yields, decreases. Finally, our analysis of the transitition dynamics from pre-liberalization to post-liberalization suggests that when capital leaves, it leaves faster than it came in. These results may help us understand the dynamics of the recent crises in Latin America and East Asia.