Speculators can discover whether a signal is true or false by processing it but this takes time. Hence they face a trade-off between trading fast on a signal (i.e., before processing it), at the risk of trading on a false positive, or trading after processing the signal, at the risk that prices...

A decisionmaker gets independent advice from two experts, who can be of two different types. Experts are risk-neutral and prefer certain policies irrespective of the state of nature, so to induce information-sharing the decisionmaker must reward truthful experts. I show that, in this...

Much research has investigated the differences between option implied volatilities and econometric model-based forecasts in terms of forecast accuracy and relative informational content. Implied volatility is a market determined forecast, in contrast to model-based forecasts that employ some...

This paper uses quantile regression techniques to investigate the temporal dependence patterns of major exchange rates around the globe. Specifically, we estimate quantile autoregressive models for daily exchange rate returns of the USD/EUR, USD/JPY, USD/GBP, USD/AUD, USD/CHF and USD/CAD...

Market professionals with decades of experience typically argue that a call option is a surrogate for the underlying asset, indicating that they perceive the risk of a call option as similar to the risk of the underlying asset. Experimental evidence also points to the same conclusion. Such...

In the context of the two-tier stochastic frontier model, we present a new closed-form stochastic specification, the half-normal one. Expressions to calculate average and conditional measures of inefficiency are provided, for regression specifications in levels and in logs. Some results related...

This study examines the effect of options trading on the January effect in the period 1996–2009. The options market offers investors an alternative trading venue that circumvents several trading limitations in the equity market and hence enables a higher level of arbitrage activities. In...

We study the informational efficiency of the European Emissions Trading Scheme, EU ETS market by simulating the trading in this emerging market. If the market is efficient, profitable trading should only exist locally in time. We adopt the Timmermann and Granger (2004) definition of efficiency...

The informational content of odds posted in sports betting market has been an ongoing topic of research. In this paper, I test whether fixed odds betting markets in soccer are informationally efficient. The contributions of the paper are threefold: first, I propose a simple yet flexible...

Purpose – The aim of this study is to examine the impact of mandatory International Financial Reporting Standards (IFRS) adoption on the informational efficiency, market stability, and price adjustment of underlying stocks in Europe. Design/methodology/approach – This study examines 1,187...