Editorial Kateřina Randová Analysis of Potential Impacts of Inclusion of Locally Supplied Services into Reduced VAT Rate on the Suppliers of these Services Svend Reuse Comparing Variance/Covariance and Historical Simulation in the Context of the Financial Crisis – Do Extreme Movements Have an Influence onto Portfolio Selection? Book Reviews: The Development of the Insurance Market in the Countries of the Visegrád Four in 1995–2007 Reviewed by František Řezáč Credit Risk Management: Basic Concepts: Financial Risk Components, Rating Analysis, Models, Economic and Regulatory Capital Reviewed by Ivana Valová