Using a unique database that includes publicly disclosed fund holdings at the end of the quarter as well as the holdings in all non-publicly disclosed months, we found that some funds could alter their portfolios in publicly disclosed months to artificially increase their Active Share scores and...

We explore how mutual fund investors collectively value sustainability when the tradeoff with performance becomes salient. Following the introduction of Morningstar’s sustainability ratings (the “globe” ratings), mutual funds increased their holdings of sustainable stocks in an attempt to...

This paper examines the current landscape of environmental, social, and governance (ESG) investing by focusing on environment. We analyze the discrepancies in ESG scoring methodologies among different rating agencies and demonstrate how these inconsistencies can lead to distorted investment...

This study analyzes the loss potential arising from investments into CDS for a sample of large U.S. and German mutual funds. Further, it investigates whether the comments funds make on CDS use in periodic fund reports are consistent with the disclosed CDS holdings. For several funds in the U.S.,...

The paper describes the "Halle Institute for Economic Research (IWH) Forecasting Dashboard (ForDas)". This tool aims at providing, on a non-commercial basis, historical and actual macroeconomic forecast data for the Germany economy to researchers and interested audiences. The database renders it...

In this study, we investigate what drives the MAX effect in the South Korean stock market. We find that the MAX effect is significant only for overpriced stocks categorized by the composite mispricing index. Our results suggest that investors' demand for the lottery and the arbitrage risk effect...

This paper examines the hypothesis of local herding (i.e. own-area effects) by individual investors on a particular stock-month. Using a unique dataset on online and offline individual investors' trading records in Korea, we analyze buying and selling transactions involving 10,000 accounts from...

Non-fungible tokens are transferable rights to digital assets such as artwork, videos, in-game items, collectibles or music. Non-fungible tokens relate only to a specific unique item and carry information about the owner. The non-fungible token market has received widespread attention and has...

We introduce artificial intelligence pricing theory (AIPT). In contrast with the APT's foundational assumption of a low dimensional factor structure in returns, the AIPT conjectures that returns are driven by a large number of factors. We first verify this conjecture empirically and show that...