Geopolitical events are widely reported in the press and may influence the risk premium demanded by investors in addition to demand and supply of energy resources. Using the daily geopolitical risk index of Caldara and Iacoviello (2018), we demonstrate that geopolitical risk plays an important...

The existing replication policies at top finance journals are far weaker than the policies at top economics journals. This paper explores both the costs and benefits of having a stronger replication policy in the context of my failed 2010 initiative to develop a unified policy across all top...

This paper examines the impact of foreign participation in Korean Treasury Bond (KTB) futures and its role in price discovery for KTBs, using daily transactions data from the over-the-counter market for KTBs and from the Korea Exchange for the futures. Our analysis suggests that foreign trading...

This paper documents the fact that in options markets, the (percentage) implied volatility bid-ask spread increases at an increasing rate as the option's maturity date approaches. To explain this stylized fact, this paper provides a market microstructure model for the bid-ask spread in options...

For the first time in the Turkish stock market, the width of the zero arbitrage band for BIST 30 stock index arbitrage is measured and decomposed into distinct contributions arising from commissions, fees, bid/offer spreads and stock loan costs. This study also extends the literature of stock...

The European put-call parity condition is used to estimate the early exercise premium for American currency options traded on the Philadelphia Stock Exchange. Using a sample of 331 pairs of call and put options with the same exercise price and time to expiration, evidence is provided for early...

This paper analyzes structured products with a focus on the Swiss market. Empirical results for these products' five major categories are presented, along with case studies and a general discussion. The paper addresses three main questions: How did structured products perform in the period...

We evaluate price discovery in the natural gas futures and futures options markets using a transaction based approach. By sampling market maker prices, we allow for a distinction between buy and sell prices, both directly from the futures market, and implied from the options market. Information...

The purpose of this study is to revisit price discovery process in Indian stock market for spot and futures of S&P CNX Nifty, by using high-frequency data to gain fresh insights. The sample consists of high-frequency data for the period from January 2014 to August 2015. Stationarity and...

Divergence in investor beliefs is an important driver of the negative relation between option trading volume and future stock returns. We find a strong negative relation between disagreement-based option trades and future stock returns, and this relation is markedly amplified when the underlying...