We investigate shareholder wealth effects of stock dividends using a unique dataset from Oman in which many market frictions that are used to explain the stock dividend announcement effect are either absent or limited. We find a positive stock market reaction to stock dividend distributions. We...

This paper analyzes the market microstructure of the European Climate Exchange, the largest EU ETS trading venue. The ECX captures 2/3 of the screen traded market in EUA and more than 90% in CER. 2009 Trading volumes total ?22 billion and are growing, with EUA transactions doubling, and CER...

This paper analyzes the market microstructure of the European Climate Exchange, the largest EU ETS trading venue. The ECX captures 2/3 of the screen traded market in EUA and more than 90% in CER. Volume growth has averaged 277% in EUA between 2005 and 2009 and 724% in CER since 2007. Spreads...

This paper investigates the influence of sentimental noise traders on the security price adjustment. We use De Long et al.'s (1990) definition of noise traders, who falsely believe they have special information, to extend Easley and O'Hara's (1992) seminal model. Our extended model demonstrates...

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...

This paper examines the formation of option transaction prices in an imperfect market where risk-averse dealers face liquidity and informed traders. Because of market imperfections, trading is costly and arbitrage pricing does not apply. Rather, the transaction prices are related to the dealers'...

Dealers are suppliers of liquidity; in this respect their role is similar to that played by speculators in auction markets. However, dealers are a special kind of speculator, because of the many obligations and privileges conferred upon them. The most obvious constraint on dealers' behaviour is...

We survey the literature analysing the price formation and trading process, and the consequences of market organization for price discovery and welfare. We develop a united perspective on theoretical, empirical and experimental approaches. We discuss the evidence on transaction costs and the...

This paper is the first experimental study of the effects of competition and adverse selection on the performance of market maker (MM-) markets. Information distribution may is either symmetric or heterogeneous. MM-markets are either monopolistic (the specialist markets), or competitive (the...

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...