Employing asset-pricing models over the period 2012 to 2017, this study examines whether a search attention index (SAI) explains the variation in the weekly excess return of stocks. The study finds that the estimated abnormal return of a portfolio based on search intensity is significantly high...

We mathematically show that, no matter how many factors are added to the capital asset pricing model (CAPM), beta will always matter. We also show that adding more factors to a single-factor CAPM requires market risk premiums to be modeled as time varying. In addition to allowing time-varying...

This paper examines the risk premium associated with information shocks in equity markets. For all stocks traded on Borsa Istanbul between March 2005 and December 2020, we calculate information shocks as unanticipated information asymmetry by focusing on changes in the proportion of the...

This study is the first to test a financing-based misvaluation factor (UMO, undervalued-minus-overvalued), first proposed by Hirshleifer and Jiang (2010), for the Pakistani stock market. I find that the UMO factor, long underpriced (repurchase) stocks and short overpriced (new issue) stocks,...

The goal of this study is to test the validity of the prospect theory in the Borsa Istanbul (BIST) over the sample period September 2009 to December 2019. The prospect theory values of the stocks are generated from their historical return distributions following the method by Barberis et al....

This study shows how correlated information consumption (CIC) of retail investors relates to comovement in stock market outcomes. We construct clusters of stocks with CIC by employing network analysis on Google co-search data. We predict significant comovement in returns and liquidity of stocks...

Understanding sectoral dynamic dependence across equity indexes is crucial for investment decisions and designing economic policy. This study examines the sectoral dependence among 82 Pakistani companies using a vine copula approach and daily data from July 1, 2014, to December 17, 2019. Vine...

Being the health pandemic with the highest impact on the global financial market, the recent COVID-19 pandemic has led to significant risk transmissions across stock markets. Although an increasing number of studies have examined the effects of the pandemic on financial markets, we provide novel...

The Vietnamese stock market provides an interesting and enriching test field for the application of trading expert systems as its economy is opening up, has high growth rate and may offer risk diversification opportunities. This paper examines the question of whether this frontier emerging...

Momentum, size, and low volatility in emerging markets regularly exhibit increased correlations across factors and markets in periods of negative returns. I provide a framework to distinguish a unique source of risk from a set of factors in the stage of portfolio formation. The framework is...