This paper builds on the labor econometrics and classical treatment effects literatures to provide a framework supporting causal concepts and methods for estimating effects of natural experiments operating over time in an explicitly dynamic time-series context. We examine conditions for the construction of covariates instrumental in identifying effects of interest that lead to new tests for unc...

Reviewed by: Kitty Clive, or The Fair Songster by Berta Joncus John Cunningham Joncus, ( Rochester, NY: Boydell Press, 2019). Pp. 541. $99.00 cloth. Catherine "Kitty" Clive (née Raftor) (1711–1785) was one of the first female stars London stage. Born in to a disgraced Irish Catholic father, William Raftor, she assumed her married name from barrister George 1733. Between debut 1728 and retiremen...

since the time man observed his picture in the water, mirror has en-tered both man’s spiritual and material life. the role of mirror has un-dergone a lot of changes, ranging from foretelling to its use by barbers in different situations, to its use as warfare, mystic allegories, literal metaphors and historical narrations such as alexander mirror located in alexandria. the present study aims to...

Objective: In this survey, we have checked the effects of natural (red bell pepper and tomato) and synthetic (astaxanthin and β-carotene) pigments on bloods factors of Flower horn (Cichlasoma sp.). Methods: Five treatments (three replicates/treatment) were employed. Fishes were separated in fifteen equal groups and were fed for eight weeks with diets containing10 g kg–1 red ...

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Book details Elsevier Butterworth Heinemann; 2005. ISBN 0-7506-8836X. 486 pages, blue and black layout with 27 illustrations Review "Concise Clinical Oncology" by Clive Peedell is physically portable and handy. Measuring only 188 × 127 mm, it is in the size of any typical medical handbooks available (Figure 1). This makes it a useful pocket-size book, allowing the reader to carry it around conv...

Sci./Am.Physiol. Soc.. ESSN: 1548-9221. Visit our website at http://www.the-aps.org/. American Physiological Society, 9650 Rockville Pike, Bethesda MD 20814-3991. © 2000 Int. Union Physiol. the physiological developments. It is published bimonthly in February, April, June, August, October, and December by (formerly published as News in Physiological Science) publishes brief review articles on m...