In this paper, we study the relationship between futures and spot prices in the European carbon markets from the cost-of-carry hypothesis. The aim is to investigate the extent of efficiency market. The three main European markets (BlueNext, EEX and ECX) are analyzed during Phase II, covering the...

In this paper, we attempt to examine the speculative efficiency hypothesis on CO2 emission allowance prices negotiated on Bluenext, by testing the relationship between futures and spot prices from the Fama (1970) framework. This approach is based on the joint hypothesis of no risk premium and...

This paper evaluates the predictability of monthly stock return using out-of-sample (multi-step ahead and dynamic) prediction intervals. Past studies have exclusively used point forecasts, which are of limited value since they carry no information about the intrinsic predictive uncertainty...

This paper analyzes the degree of return predictability (or weak-form informational efficiency) of Dow Jones Islamic and conventional size and sector-indices using the data from 1996 to 2013. Employing the automatic portmanteau and variance ratio tests for the martingale difference hypothesis of...

This paper addresses the question whether the Islamic indexes are more or less affected by sudden changes in volatility regimes than the “conventional” counterparts. For that purpose, we apply an iterative cumulative sum of squares (ICSS) algorithm to identify structural breaks in the...