Sökning: "piecewise constant volatility"

Hittade 2 avhandlingar innehållade orden piecewise constant volatility.

  1. 1. Calibration, Optimality and Financial Mathematics

    Författare :Bing Lu; Erik Ekström; Stephane Villeneuve; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; perpetual put option; calibration of models; piecewise constant volatility; optimal liquidation of an asset; incomplete information; optimal stopping; jump-diffusion model; optimal distribution of dividends; singular stochastic control; implied volatility; exponential Lévy models; short-time asymptotic behavior.;

    Sammanfattning : This thesis consists of a summary and five papers, dealing with financial applications of optimal stopping, optimal control and volatility.In Paper I, we present a method to recover a time-independent piecewise constant volatility from a finite set of perpetual American put option prices. LÄS MER

  3. 2. Essays on Empirical Macroeconomics

    Författare :Martin W Johansson; Nationalekonomiska institutionen; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; economic systems; economic theory; econometrics; Economics; structural breaks.; output volatility; threshold autoregression; fiscal policy; real exchange rates; Aggregate consumption; economic policy; Nationalekonomi; ekonometri; ekonomisk teori; ekonomiska system; ekonomisk politik;

    Sammanfattning : The first essay reexamines the proposed presence of so-called loss aversion in aggregate consumption. Recent empirical and theoretical studies have suggested, that consumption growth reacts asymmetrically to positive and negative expected income growth. LÄS MER