The link between informed trading and the bid-ask spread has been the focus of abundant literature and some authors feared that a large amount of informed trading might lead to shutdown of markets. We explore this issue using data from the Czech Republic. Our estimates confirm that the share of...

The study of transparency is increasingly a more topical, broadly relevant, but also more under-researched enterprise. The Asian financial crisis has highlighted not only the welfare consequences of financial sector transparency, sparking a series of yet unresolved debates, but has also linked...

The efficiency of speculative markets, as represented by Fama's 1970 fair game model, is tested on weekly price index data of six Asian stock markets - Hong Kong, Indonesia, Malaysia, Singapore, Taiwan and Thailand - using Sherry's (1992) non-parametric methods. These scientific testing methods...

La presente investigación intenta replicar el trabajo de Fama y French (1992) para el mercado chileno, dentro de cierto marco de limitaciones generales. Específicamente, el objetivo de la investigación es evaluar el rol conjunto del beta de mercado, el tamaño, la razón utilidad a precio, el...

We investigate the effects of market fragmentation and information flows in the case of stocks cross-listed on markets in Central Europe and London. First, we test for co-movement, interaction and error correction behavior between the local and London markets. Our results suggest that strong...

Al estudiar el mercado de renta fija en Chile a septiembre de 2002, se puede realizar dos conclusiones básicas. Primero, uno de los problemas iniciales a los que se enfrenta el gestor es que, en el universo considerado, muy pocos instrumentos entregan los vencimientos necesarios para cumplir...

This paper investigates the efficiency of the two major stock indexes of the Iberian Peninsula, the Portuguese Stock Index (PSI-20) and the Spanish Stock Index (IBEX-35). We used daily data from January 1993 to September 2001 for the Portuguese stock index and daily data from October 1990 to...

The aim of this paper is to determine the potential profitability of technical analysis applied on the foreign exchange market. Eight simple rules of trading are tested in five markets. Only long positions are tracked and reported. When neither commissions nor indexation are included in the...

This paper demonstrates the impact of the observed financial market persistence or long term memory on European option valuation by simple simulation. Many empirical researchers have observed the non-Fickian degrees of persistence or long memory in the financial markets different from the...

Several trading rules are analyzed using all daily returns on every Ibex future contracts, since market data from MEFF was available on April 20th, 1992 till March 31st, 2000. The analyses are: calendar anomalies and technical indicators based on moving averages. In an informal test, results are...