This paper reviews the main dimensions underlying the selection of a classical portfolio performance measure, namely the Sharpe Ratio, Jensen's alpha, the Modified Jensen's alpha, the Treynor Ratio, and the Information Ratio. We first examine how they differ from each other according to the risk...

We design a novel empirical framework to examine market efficiency through out-of-sample(OOS) predictability. We frame the classic empirical asset pricing problem as a machine learningclassification problem. We construct classification models to predict return states. The prediction- based...

In the late stages of long bull markets, a popular question arises: What steps can an investor take to mitigate the impact of the inevitable large equity correction? However, hedging equity portfolios is notoriously difficult and expensive. We analyze the performance of different tools that...

We consider a model where investors can invest directly or search for an asset manager, information about assets is costly, and managers charge an endogenous fee. The efficiency of asset prices is linked to the efficiency of the asset management market: if investors can find managers more...

We utilize seventeen years of comprehensive daily portfolio and trading data identified at the individual investor level, to analyze the relative trading performance of the entire universe of households, all domestic financial institutions and all foreign institutions in the Finnish market. We...

Many electricity markets exhibit an oligopolistic structure with market participants whose individual trading activities may shift prices essentially. In this context, the question of how to optimally liquidate an existing electricity futures portfolio over a fixed time horizon under the...

This paper examines the effects of liquidity on stock and portfolio risk measures by analyzing Value at Risk (VaR). Using daily stock returns and firm market capitalization, empirical calculations confirmed that VaR has not yet succeeded to prove patterns of relation between risk and liquidity,...

This paper investigates the seasonality patterns within various asset classes. We find that a strategy that buys the assets with the largest same-calendar-month past average returns (up to ten years) and sells the assets with the smallest same-calendar-month past average returns, earns...

Minimum variance strategies are a proven approach to profiting from the low volatility effect, but if taken directly from an optimizer they tend to have disadvantageous attributes such as low liquidity, high turnover, high tracking error, and concentrated positions in stocks, economic sectors,...

We study firm-level characteristics that a manager would employ as signalling tools in order to time the market (i.e. repurchases and issues). Following the market timing framework, we develop a two-factor asset pricing model comprising a “market” and a “mispricing” factor, which is able...