Thèse de doctorat : Università della Svizzera italiana, 2018 ; 2018ECO015.
We investigate the shape of risk appetite when the bank is financed also with contingent convertible bonds (CoCos). Our contribution to the existent literature is to assess risk appetite in a multi-dimensional perspective and to account for differences among banks' clusters, especially in a world with CoCos and policy rates approaching zero or negative figures. In our model, the bank objective...
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Thèse de doctorat : Università della Svizzera italiana, 2010 ; 2010ECO005.
Real options refer to the investment, entry, exit and other strategic decisions of the firm that share three important characteristics: they are irreversible, they are made under uncertainty, and their timing is chosen by the firm. The term `real options' was introduced in 1977 by Stewart Myers in his paper `Determinants of corporate borrowing' that related risky debt holdings to the future...
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Thèse de doctorat : Università della Svizzera italiana, 2009 ; 2009ECO002.
The present work explores the option pricing world under three different perspectives: theoretical models, numerical methods and real options. In the first chapter we develop a novel option pricing model. We define a stochastic volatility process for the underlying evolution using the realized volatility as a proxy of the true but unobservable volatility of the underlying. That reduces...
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Thèse de doctorat : Università della Svizzera italiana, 2004 ; 2004ECO008.
Large-block trades have been typically handled over the counter in the upstairs market. Institutional trading raises several issues of concern, such as the fragmentation of order flow, potential liquidity shortage in the downstairs market, and implications for market efficiency. Large investors’ trades may infact produce a price impact that can adversely influence their investment decisions....
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