This paper examines how liquidity affects market efficiency in a market environment where securities' true values are revealed at a predetermined point in time. We employ differences in minimum tick sizes at the betting exchange Betfair as a source of exogenous variation in liquidity. The...

This paper relates to internet, noise trading and commodity futures prices. The theoretical framework is the Mixture Distribution Hypothesis (MDH) that posits a joint dependence of return volatility and information. We use two different proxies for the observed component of information flows,...

This paper evaluates the welfare implications of front-running by mutual fund managers. It extends the model of Kyle (1985) to a situation in which the insider with fundamentals-information competes against an insider with trade-information and in which noise trading in endogenized.

Conventional wisdom suggests that investors' independent biases should cancel each other out and have little impact on equilibrium at the aggregate level. In contrast to this intuition, this paper analyzes models with biased investors and finds that biases often have a significant impact on the...

Models which are built on the assumption of rational expectations can easily outline the conditions under which bubbles may exist but they remain silent on the factors that cause the price to deviate from the fundamental value. In this paper it is argued that dynamic extensions of the noise...

This paper empirically tests the sentiment and ¡§noise¡¨ effects in Singapore REITs (S-REIT) over the periods from January 2005 to December 2010.Our empirical results show that trading volume is significantly and negatively correlated with price to net asset value (P/NAV) premiums in the...

This paper introduces constant-collateral pyramiding trading strategies, which can be implemented in the futures markets. For these strategies, expressions are derived for effective constraints on the number of futures contracts in the trader’s portfolio and on the trader’s wealth....

Traditional financial theory predicts that noise trader sentiment plays no role for the cross-sectional pattern in stock returns and in the cross-section of option prices. However, empirical research is challenging that view and finds evidence that investor sentiment can be predicted to affect...

In this paper we discuss popular market and default risks modeling. We highlight some shortcomings. Then, we present the prospect and cumulative prospect theories. We discuss again the previous models under behavioral finance framework and get different results. Based on these results, we...