In this article we test the relationship between per capita income differential and exchange rate differential between two different economic background countries. Recent researches have been done on the testing of international Fisher effect, Interest rate, GDP growth rate and purchasing power...

Periods of economic and financial stress traditionally give rise to profound changes in economic theory and in the way policy decisions are taken. Motivated by the recent interest in renewing macroeconomics after the global financial crisis, we collected the views of senior central bank staff in...

In this article, we present the analytical approximation of zero-coupon bonds and swaption prices for general short rate models. The approximation is based on regular and singular expansions with respect to the small volatility and contains a low-dimensional integration. The model in hand...

Operational risk data, when available, are usually scarce, heavy-tailed and possibly dependent. In this work, we introduce a model that captures such real-world characteristics and explicitly deals with heterogeneous pairwise and tail dependence of losses. By considering flexible families of...

Arbitrage pricing model (APT) is one of the models that describe risk of investment on the capital market. The model has been widely used in the developed economies. The paper presents an application of the APT model on the Polish capital market, in particular on the stock investment funds. The...

The starting point in this research in the analysis of dynamic and structure of assets of investment funds in particular types of funds (assets, hybrids, money market funds, stable growth funds). Analyzing time series of assets of funds the tendency of growth can be noticed. The tendency is...

This paper focuses on simulation-based inference for the time-deformation models directed by a duration process. In order to describe the heavy tail property of the time series of financial asset returns, the innovation of the observation equation is assumed to have a Student-t distribution....

This paper proposes a parsimonious threshold stochastic volatility (SV) model for financial asset returns. Instead of imposing a threshold value on the dynamics of the latent volatility process of the SV model, we assume that the innovation of the mean equation follows a threshold distribution...

Many of the real-world data sets can be portrayed as bipartite networks. Such data sets are particularly abundant where human behavior is being recorded. Because typically direct observations of the relationships between different agents are lacking, they need to be inferred by converting...

Expectile regression produces the best linear unbiased estimator for regression lines other than the mean regression in model designs with asymmetric conditional variance of the error term. In some cases where OLS assumptions are violated, an expectile regression estimator is also the BLUE for...