منابع مشابه
Sticky sugar
Fingers lay fibers n page 553, Canty et al. show how cells use finger-like projections to lay down parallel arrays of collagen fibers that are many times the lengths of the cells. Parallel arrays of long collagen fibers give tendons their resistance and tensile properties. Thousands of collagen molecules self-assemble into fibers, but the fibers need instruction from their environment for align...
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The working papers published in the Series constitute work in progress circulated to stimulate discussion and critical comments. Views expressed represent exclusively the authors' own opinions and do not necessarily refl ect those of the editors. Die Deutsche Bibliothek verzeichnet diese Publikation in der deutschen National-bibliografi e; detaillierte bibliografi sche Daten sind im Internet üb...
متن کاملSticky Demand vs. Sticky Prices
Sticky demand – sticky nominal spending – acts as a substitute for sticky prices. In an inventorytheoretic model of the demand for money, monetary injections are offset by endogenous movements in velocity that keep nominal spending flat. When embedded in a sticky price model, this reduces the model’s reliance on implausibly large amounts of exogenous stickiness. For example: 6 months asset mark...
متن کاملSticky Leverage
This paper considers the macroeconomic effects of allowing for nominal debt contracts in the context of a quantitative business cycle model with financial market frictions. In our setting, as in reality, corporations fund themselves by choosing the appropriate mix of nominal defaultable debt and equity securities to issue in every period. Corporate debt is priced fairly taking into account defa...
متن کاملSticky polarity
Research Roundup Research Roundup for example, two nearby cells can somehow tell which one is closer to the equator (middle) of the eye, and specify the R3 (equatorial) and R4 (polar) fates, accordingly. " This is one of the great puzzles of PCP, " says Simon. " The cells are reading the gradient rather than the absolute values, and sensing the smallest differences. " For that process to have a...
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ژورنال
عنوان ژورنال: Journal of Cell Biology
سال: 2004
ISSN: 1540-8140,0021-9525
DOI: 10.1083/jcb1654iti2