Various forms of instability can be observed in macroeconomic and financial data including changes in variance, changes in cycle properties, or both. Traditional tests do not allow to distinguish between these different cases. This paper proposes and compares two alternative approaches. The...

We contribute to the finance literature in two main ways. First, we present a theoretical capital asset pricing model (CAPM) to price assets in different market structures. Second, we use our model to analyze whether when markets are partially segmented using the local or the global CAPM yields...

The aim of this paper is to study the influence of investor attention on the French stock market activity and volatility. Following an original way, we construct a non-standard proxy of investor attention on the basis of investors' online search behavior exclusively provided by “Google...

We investigated the dynamic behavior of the overall inflation rate, its subgroups, and inflation rates of traded and non-traded goods in Turkey between 1994:M1 and 2012:M5 by using a quantile autoregression approach developed by Koenker and Xiao (2004). This method makes no assumptions about the...

In the last two decades, there have been important changes in inflation dynamics in Turkey. While average inflation rate, inflation volatility and inflation persistence declined, the prices of tradable goods have shown an increase less than prices of non-tradable goods. The aim of this paper is...