Derailing individualized ovarian stimulation

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A historical perspective on the Federal Reserve's monetary aggregates

Data on the monetary aggregates are the fundamental raw material for research in many facets of economics and finance. Money demand modeling, measurement of money stock announcement effects, tests of the rationality of preliminary money stock forecasts and financial market efficiency, and comparison of alternative seasonal adjustment procedures are just a few such areas. Working in the spirit of Friedman and Schwartz, we chronicle the evolution of the Federal Reserve's monetary aggregates. Numerous changes in data sources, definitions, revision procedures, and seasonal adjustment methods suggest caution for all researchers using monetary aggregate time series data. A timeline compiled by Kenneth Kavajecz shows each redefinition, revision and special event that affected the monetary aggregates from 1960-1993.Monetary policy - United States ; Money supply

From present to future : beyond becoming a nation of readers

Includes bibliographical references (p. 13-19)The work upon which this publication was based was supported in part by the Office of Educational Research and Improvement under Cooperative Agreement No. OEG 0087-C100

Kisspeptin and neurokinin B neuroendocrine pathways in the control of human ovulation

The roles of initially kisspeptin and subsequently neurokinin B pathways in the regu-lation of human reproduction through the control of GnRH secretion were first iden-tified 20 years ago, as essential for the onset of puberty in both boys and girls.Within that short time we already now have the first licence for clinical use for a neu-rokinin antagonist in a related indication, for menopausal vasomotor symptoms.Between these two markers of the start and end of the reproductive lifespan, it isclear that these pathways underlie many of the aspects of the hypothalamic regula-tion of reproduction which had hitherto been enigmatic. In this review, we describethe data currently available from studies designed to elucidate the roles of kisspeptinand neurokinin B in human ovarian function, specifically the regulation of follicledevelopment leading up to ovulation, and in the control of the mid-cycle GnRH/LHsurge that triggers ovulation. These studies, undertaken with only very limited phar-macological tools, provide evidence that the neurokinin B pathway is important incontrolling the hypothalamic contribution to the precise gonadotropic drive to theovary that is necessary for mono-ovulation, whereas the switch from negative topositive estrogenic feedback results in kisspeptin-mediated increased GnRH secre-tion. Potential therapeutic opportunities in conditions characterised by disorderedhypothalamic/pituitary function, polycystic ovary syndrome, and functional hypotha-lamic amenorrhoea, and in the induced LH surge that is a necessary part of IVF treat-ment are discussed

Correlation patterns from massive phonons in 1+1 dimensional acoustic black holes: A toy model

Transverse excitations in analogue black holes induce a mass like term in the longitudinal mode equation. With a simple toy model we show that correlation functions display a rather rich structure characterized by groups of parallel peaks. For the most part the structure is completely different from that found in the massless case.Comment: 40 pages, 13 figures. Minor changes and corrections Phys. Rev. D versio

The Impact of Cell Phones and BAC Laws on Motor Vehicle Fatality Rates

This paper develops a set of models for the determinants of automobile fatalities with particular attention devoted to the effects of increased cell phone usage. Cell phones have been associated with both life-taking and life-saving properties. However, prior statistical evaluations of the effects of cell phones have led to fragile results. We develop in this paper econometric models using time series data, allowing for polynomial structures of the regressors. The models are evaluated with a set of specification error tests providing reliable estimates of the effects of the various policy and driving related variables evaluated. The statistical results indicate the effect of cell phones is non-monotonic depending on the volume of phones in use, first having a net life-taking effect, then a net life-saving effect, followed finally with a net life-taking effect as the volume of phone use increases.Motor Vehicle Fatalities, Cell Phones, BAC Laws

Determinants of farmer adoption of organic production methods in the fresh-market produce sector in California: A logistic regression analysis

This research uses binomial and multinomial logistic regression models to identify the factors that influence farmers adoption of organic technology. Using a sample of 175 farmers growing fresh-market produce in three California counties, the first model examines farmers choice between conventional-only and organic-only production. The second model compares conventional-only and "dual-method" (combined conventional and organic) production, while the third model employs all three choices in a multinomial model. These results, which indicate that gross sales, direct marketing, number of crops and acres, farmer age, and computer usage are significant determinants, have implications on policies that regulate the organic foods sector.Production Economics,

Health Transfers: An Application of Health-Health Analysis to Assess Food Safety Regulations

The authors apply a Health-Health Analysis to risks associated with harvesting Gulf oysters to evaluate that approach to managing health and safety risks