Model risk as part of the operational risk is a serious problem for financial institutions.As the pricing of derivatives as well as the computation of the marketor credit risk of an institution depend on statistical models the application of awrong model can lead to a serious over- or...

Sportwetten werden in Deutschland in der Marktordnung eines Veranstaltungsmonopolsder öffentlichen Hand vergleichbar den Lotterien reguliert. Das Monopol wurde vom Bundesverfassungsgerichtim März 2006 in der bisherigen Form als rechtlich unzulässiges Fiskalmonopol verworfen. Demnach ist...

This paper examines employer-to-employer mobility by describing theindividual wage trajectories along the working career. The model, whichis designed to introduce optimal between-firm mobility, is based on thesearch, the matching, and the human capital theory. It is emphasizedthat hopping from...

Financial liberalisation has often failed in the past due to underestimated problems ofstructural change. We analyse such changes in lending behaviour of Thai commercialbanks during a liberalisation phase by way of unique micro data. Liberalisationhas expected positive effects, such as lowering...

Within an internal model the Economic Scenario Generator (ESG) is an important component. In orderto get a regulatory approval of an internal model it is required that the implemented models (must be) passeda rigorous validation process, see Ceiops [2009].In this paper we focus on the particular...

Determining good parameter estimates in ESTAR models is known to be difficult. We showthat the phenomena of getting strongly biased estimators is a consequence of the so-calledidentication problem, the problem of properly distinguishing the transition function in relationto extreme parameter...

Iannaccone’s (1991) seminal paper assigns basic market principles to the market for religion. Ina competitive market with high religious diversity the level of overall religiosity should increase. TheSecularization Hypothesis suggests that the establishment of new churches casts doubt on the...

This article investigates economic performance when enforceable propertyrights are missing and basic needs matter for consumption. It suggests anew view of the so-called voracity eect according to which windfall gains inproductivity induce behavior that leads to lower economic growth. Takinginto...

In an inuential article Tornell and Lane (1999) considered an economy populatedby multiple powerful groups in which property rights in the formal sectorof production are not protected. They obtained conditions under which thegroups appropriate output from the formal sector in order to invest it...

We examine the asymptotic behavior of unit root tests against nonlinear alternativesof the exponential smooth transition type if the data is erroneously nonlinearly transformed...