The increasing demand of relevant, viable, coherent data users, in useful time, to early detec economic vulnerabilities and turnpoints in business cycles, especially during the economical and financial crisis, demands a prompt, coordinated response by statistical institutions. High quality short...

In marketing activity, there will always be risk, and marketing being a vital element for an economic entity, and also a dynamic department that must quickly adjust to economy requirements, we consider that a research on them is a challenge and important action in understanding them and possibly...