Virtuality in organizations has usually been treated as a characteristic that is observed either at a team or organizational level. However, the penetration of new technologies into our lives has transformed the entire design of organizations and teams. Not only has the design of teams and...

This study compares the performance of the widely used risk measure Value-at-Risk (VaR) across a large sample of developed and developing countries. The performance of the VaR is assessed by both unconditional and conditional tests of Kupiec and Christoffersen, respectively, as well as the...

A literature search shows that robust regression techniques are rarely used in applied econometrics. We present a technique based on Rousseeuw and Van Zomeren [Journal of the American Statistical Association, 85 (1990) 633–639] that removes many of the difficulties in applying such techniques...

This article reviews the functioning of prominent Credit Rating Agencies (CRAs) and suggests a better mechanism for rating. We start with the historical evolvement of the CRAs and the emergence of the three that are recognized first in the USA and then all round the world. The performance...

In this study, we analyze the risk aspects of subsectors in Turkey before and after the global financial crisis based on ISE indices of industries. First, we report the descriptive statistics of 19 subsectors. Then, we make use of GARCH (1,1) specification to estimate the volatility of the...

Bu makalede, döviz kurlarının belirlenmesinde Satın-Alma Gücü Paritesi, Örtülü Olmayan Faiz Parite’si ve Parasalcı Model ampirik olarak incelenmiştir. Türkiye için 1987-2004 aralığını kapsayan veriler kullanılmıştır. Çalışma, Satın-Alma Gücü Paritesi denklemindeki...

The systematic risk of IPO’s in the thinly traded Istanbul Stock Exchange (ISE) are estimated using Empirical Bayes Estimators (EBE). The sectors that the firms belong to, provide the priors. Comparisons are made with OLS estimators across different estimation and forecasting periods. Two...

This article investigates the relationship between inflation and inflation uncertainty, and the impact of monetary policy on this relationship using monthly Turkish inflation data over January 1984 to-October 2005. The results from various types of GARCH-M models indicate that higher inflation...