In this paper we present simulations of economic performance of the Polish economy based on a quarterly econometric model. The model consists of 22 stochastic equations, which link the financial market with the real economy. The purpose of the research is to present effects of changes to...

We propose two tests for the equality of covariance matrices between two high-dimensional populations. One test is on the whole variance-covariance matrices, and the other is on offdiagonal sub-matrices which define the covariance between two non-overlapping segments of the high-dimensional...

We propose two tests for the equality of covariance matrices between two high-dimensional populations. One test is on the whole variance-covariance matrices, and the other is on offdiagonal sub-matrices which define the covariance between two non-overlapping segments of the high-dimensional...

This paper examines the steady state properties of the Threshold Vector Autoregressive model. Assuming that the trigger variable is exogenous and the regime process follows a Bernoulli distribution, necessary and sufficient conditions for the existence of stationary distribution are derived. A...

After more than a decade of existence, crypto-currencies may now be considered an important class of assets presenting some unique appealing characteristics but also sharing some features with real financial assets. This paper provides a comprehensive statistical analysis of the six most...

We propose two tests for the equality of covariance matrices between two high-dimensional populations. One test is on the whole variance-covariance matrices, and the other is on offdiagonal sub-matrices which define the covariance between two non-overlapping segments of the high-dimensional...

After the crisis of 2008, and the important losses and shortfall in capital that it revealed, regulators conducted massive stress testing exercises in order to test the resilience of financial institutions in times of stress conditions. In this context, and considering the impact of these...

This paper examines “leverage” and volatility feedback effects at the firm level by considering both market and firm level effects, using 242 individual firm stock data in the US market. We adopt a panel vector autoregressive framework which allows us to control simultaneously for common...

Bu çalışmanın temel amacı takvimsel faktörlerin, iktisadi krizlerin ve bilgi akışının İstanbul Menkul Kıymetler Borsası IMKB100 içinde yer alan bireysel hisse senetlerinin günlük getirisi ve getiri volatilitesi üzerindeki etkilerini araştırmaktır. Çalışmada GARCH sınıfı...

Bu çalışmada iktisadi krizlerin, yaz mevsiminin, ocak ayının ve haftanın günlerinin İMKB100 getirisini ve volatilitesini nasıl etkilediği araştırılmaktadır. Çalışmada İstanbul Menkul Kıymetler Borsası, İMKB100 endeksinin 02 Ocak 1990–29 Aralık 2004 tarihleri arasındaki...