منابع مشابه
Optimal Policy in OG Models
In the present paper general stationary overlapping generations economies with many commodities in every period and many different consumers in every generation are considered. A government maximizes a utilitarian social welfare function, which is the sum of weighted averages of utilities for generations, through fiscal policy, i.e., monetary transfers and taxes. Situations both with and withou...
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Homeoproteins of the Engrailed family are involved in the patterning of mesencephalic boundaries through a mechanism classically ascribed to their transcriptional functions. In light of recent reports on the paracrine activity of homeoproteins, including Engrailed, we asked whether Engrailed intercellular transfer was also involved in brain patterning and boundary formation. Using time-controll...
متن کاملIvan Petrovich Pavlov ( 1849 - 1936 )
Our mouth waters when we think of our favourite food, and so does that of a dog. But can we know what a dog is thinking about? An experimental entry to a dog's mind was achieved by Pavlov through a rather convoluted chain of studies performed at the beginning of the century that is now coming to an end. His approach is now common knowledge. If presentation of food is preceded every time by a be...
متن کاملPlacebo. Historie, biologi og effekt
Since 1950 or so, placebos and their effect have generated a considerable interest in certain medical communities, in particular among psychiatrists and the designers of clinical trials, yet the only significant external study of this phenomenon to appear has been Howard Brody's doctoral investigation, Placebos and the philosophy ofmedicine, published in 1980. In 1997, however, three book-lengt...
متن کاملOg y OF C Og NI TI ON 156 Reflections on My Collaboration with Francisco
> Context • Francisco Varela and Humberto Maturana worked closely together for several short episodes and wrote joint publications during the 1970s and 1980s. After that their respective paths in life diverged. > Problem • What is the common ground and what are the differences between these two authors with respect to their lives and aims? > Method • The author reconstructs their common history...
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ژورنال
عنوان ژورنال: Magasin fra Det Kongelige Bibliotek
سال: 1993
ISSN: 1904-4348,0905-5533
DOI: 10.7146/mag.v8i3.66342