This paper investigates co-movement in eight Latin-American stock markets (Argentina, Brazil, Chile, Colombia, Ecuador, Mexico, Peru, and Venezuela) using common factor analysis. The common factors are obtained using principal component analysis (PCA) and therefore account for the maximum...

The paper tests if the documented size effect in the Indian stock market is an anomaly with respect to market efficiency or an artifact with respect to data or methodology employed. The study employs two related datasets (one being held constant through the study period, the other being revised...

Using the Credit Rating Agency Reform Act of 2006, we examine the credibility of mandatory disclosure by credit rating agencies (CRAs) on managerial learning from stock prices. We find an increase in investment-price sensitivity for firms affected by the Act. Consistent with managers relying...

This study investigates whether firm opacity impacts the investment behaviors and outcomes of retail investors using the fintech brokerage Robinhood (i.e., “RH investors”). We theorize that higher firm opacity leads RH investors to make nonrational investment decisions. The testable...

We offer an investment-based interpretation of price and earnings momentum. The neoclassical theory of investment implies that expected stock returns are tied with the expected marginal benefit of investment divided by the marginal cost of investment. Winners have higher expected growth and...

Optimal investment of firms implies that expected stock returns are tied with the expected marginal benefit of investment divided by the marginal cost of investment. Winners have higher expected growth and expected marginal productivity (two major components of the marginal benefit of...

Trillions of dollars are invested through index funds, exchange-traded funds, and other index derivatives. The benefits of index-linked investing are well-known, but the possible broader economic consequences are unstudied. I review research which suggests that index-linked investing is...

An AI analyst we build to digest corporate financial information, qualitative disclosure, and macroeconomic indicators are able to beat the majority of human analysts in stock price forecasts and generate excess returns compared to following human analysts. In the contest of “man vs...

The development of the Brazilian stock market has raised concerns about the practice of insider information, with several cases being documented in recent years. We hypothesize that insider trading is a form of corruption. As such, the higher the corruption level in a country, the more intense...

A curious seasonal anomaly found in finance is the turn of the month effect, where the daily mean return of stock market at the end of a month and beginning of a month is significantly higher than the average daily return of all the days of a month. There have been evidences that certain months...