Showing 1 - 10 of 59
Facing a growing competitive environment, higher education institutions have increased dramatically the competition for recruiting and retaining students providing a high quality service as a solution to compete. Frequently, researchers who have studied the service quality and client...
Persistent link: https://www.econbiz.de/10005134626
The Web portals business model has spread rapidly over the last few years. Despite this, there have been very few scholarly findings about which services and characteristics make a Web site a portal and which dimensions determine the customers’ evaluation of the portal’s quality. Taking the...
Persistent link: https://www.econbiz.de/10005135028
economic and political factors comprise these dimensions. The study yields two main findings. More than one dimension …
Persistent link: https://www.econbiz.de/10005408037
We study the impact of the system dimension on commonly used model selection criteria (AIC,BIC, HQ) and LR based general to specific testing strategies for lag length estimation in VAR's. We show that AIC's well known overparameterization feature becomes quickly irrelevant as we move away from...
Persistent link: https://www.econbiz.de/10005119087
interest rate options (the implied volatility surface). We find that the options market exhibits factors independent of the … underlying yield curve. While three common factors are adequate to capture the systematic movement of the yield curve, we need … three additional factors to capture the movement of the implied volatility surface. …
Persistent link: https://www.econbiz.de/10005134877
This paper shows how to cope with a problem of model selection and simplification using the principle of coherence (Gabriel (1969): A procedure involving testing a set of models ought not accept a model while rejecting a more general model). The mathematical lattice theory is used to define a...
Persistent link: https://www.econbiz.de/10005407880
stepwise regression analysis to explain differences among 19 observations. They then claimed (Stone & Brosseau, 197 3) to have …
Persistent link: https://www.econbiz.de/10005062678
This document aims to explain how to use R matrix capacity in the context of regression analysis. …
Persistent link: https://www.econbiz.de/10005556289
In this paper we investigate the so called foresight bias that may appear in the Monte-Carlo pricing of Bermudan and compound options if the exercise criteria is calculated by the same Monte-Carlo simulation as the exercise values. The standard approach to remove the foresight bias is to use two...
Persistent link: https://www.econbiz.de/10005125051
fixed income unless the value of the bank’s assets falls below a predetermined threshold. In such an event, the debt … obligation is automatically converted to the bank’s common equities. By using a contingent claims valuation approach we present … bank that includes DES or alternatively subordinated debt in its capital structure. We compare and evaluate quantitatively …
Persistent link: https://www.econbiz.de/10005413031