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Shoulder Superior Labral Repair. De Giorgi S, Garofalo R, Delle Rose G, Castagna A. In: Arthroscopy and Sports Injuries,, Springer ISBN 978-3-319-14814-4, Switzerland 2016 Editor Piero Volpi
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Underwriting Fees and Power Derivatives
No full textIn this paper we analyze the problem of determining standby underwriting fees within the framework of option-pricing theory. Financial institutions that provide standby underwriting for a stock placement bear the risk of having to buy unplaced stocks if the offered quantity is not completely absorbed by the market. We describe a simple model in which the equilibrium price of the stock at the end of the placement period is log-normal and the demand curve for stocks can shift according to stochastic shocks. We show that the value of the guarantee offered by the financial institutions is proportional to the value of a quadratic power put, that is a derivative whose payoff is the square of an ordinary put. This option can be priced within the Black & Scholes theoretical framework. The closed-form formula shows that the value of a quadratic put is much greater than that of an ordinary put and is not simply the square of the latters value. The paper also analyzes the problem of reinsurance, which arises when the underwriting fee is partially transferred to another financial
institution that provides a subsidiary guarantee. We analyze three different contractual arrangements
between two financial institutions, and accordingly show how to allocate the total fee consistently
between them. A simulated application of the model is also presented
The Information Content of TIPS
No full textOn January 29th, 1997, an historical date for the U.S. Treasury, the first inflation-indexed Treasury notes, for a nominal value of 7 billion of dollars, have been auctioned. These securities are also called Tips (Treasury inflation-protected securities). Subsequently, the Chicago Board of Trade (CBOT) has proposed two contracts (a futures contract and a futures option) written on Tips. In this paper, after reviewing the characteristics of Tips and CBOT contracts, a pricing model is proposed
Bambino con alterazioni della temperatura corporea
No full textIl capitolo 12 descrive la fisiologia della termoregolazione, le modalità di mantenimento dell'omeostasi termica, le principali cause di alterazione della temperatura corporea, le modalità di misurazione della temperatura e i principi di trattamento farmacologico e non farmacologico della febbr
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Degenerative disease in rotator cuff tears: what are the biomechanical and histological changes?
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