User profiles for R. Tunaru

Radu Tunaru

Professor of Finance and Risk Management
Verified email at sussex.ac.uk
Cited by 1527

Hierarchical Bayesian models for multiple count data

R Tunaru - Austrian Journal of statistics, 2002 - ajs.or.at
The aim of this paper is to develop a model for analyzing multiple response models for count
data and that may take into account complex correlation structures. The model is specified …

An option pricing framework for valuation of football players

R Tunaru, E Clark, H Viney - Review of financial economics, 2005 - Elsevier
In this paper we develop a contingent claims framework for determining the financial value
of professional football players. Contingent claims style modelling is used to develop two …

The credit rating process and estimation of transition probabilities: A Bayesian approach

C Stefanescu, R Tunaru, S Turnbull - Journal of Empirical Finance, 2009 - Elsevier
… Let R ζt be the score of the representative obligor 6 at time t. We replace D jt with R ζt , so
that Eq. (2) becomes(4) D j t + 1 = μ ζ t + … Note that we do not observe R ζt and w t …

Herding by corporates in the US and the Eurozone through different market conditions

M Duygun, R Tunaru, D Vioto - Journal of International Money and Finance, 2021 - Elsevier
… Following the literature, we construct the market portfolio return R m , t as the equally weighted
average of the N returns in the aggregate market portfolio at time t. The calculation of R m …

Coherent risk measures under filtered historical simulation

K Giannopoulos, R Tunaru - Journal of Banking & Finance, 2005 - Elsevier
Recent studies have strongly criticised conventional VaR models for not providing a coherent
risk measure. Acerbi provides the intuition for an entire family of coherent measures of risk …

[HTML][HTML] Risk spillovers and interconnectedness between systemically important institutions

…, S Ongena, N Sprincean, R Tunaru - Journal of Financial …, 2022 - Elsevier
… E t − 1 ( R t i | R t system < C ) where R t i is the return of financial institution i at time t and R t
… and market returns as follows:(11) R t system = σ t system × ε t system (12) R t i = σ t i ε t i = σ …

Property derivatives for managing european real‐estate risk

…, RJ Shiller, RS Tunaru - European Financial …, 2010 - Wiley Online Library
Although property markets represent a large proportion of total wealth in developed
countries, the real‐estate derivatives markets are still lagging behind in volume of trading and …

A 30-year perspective on property derivatives: what can be done to tame property price risk?

FJ Fabozzi, RJ Shiller, RS Tunaru - Journal of Economic Perspectives, 2020 - aeaweb.org
The housing sector is the largest spot market in the world without a developed derivative
contract to serve the risk management needs of market participants. This paper describes the …

Valuations of soccer players from statistical performance data

RS Tunaru, HP Viney - Journal of Quantitative Analysis in Sports, 2010 - degruyter.com
… As previously noted, we will make extensive use of the valuation formulas established in
Tunaru et al. (2005). Their methodology makes an important distinction between valuations …

Asymmetric network connectedness of fears

J Baruník, M Bevilacqua, R Tunaru - Review of Economics and …, 2022 - direct.mit.edu
This paper introduces forward-looking measures of the network connectedness of fears in
the financial system arising due to the good and bad beliefs of market participants about …