In a new paper, Tobias Moskowitz of Yale SOM finds that the sports betting market exhibits pricing patterns also seen in the stock market—suggesting that both may be subject to human irrationality.
A study by Yale SOM's Frank Zhang suggests that requiring disclosures of short positions would lead some investors to make decisions based on others’ short positions, rather than information about a firm; this “herding” could drive stock prices away from their true value.
During financial crises, stocks tend to fall together more than they should. A new study co-authored by Yale SOM’s Heather Tookes suggests that margin trading plays a substantial role in driving this downward spiral.
Climate change is causing sea levels to rise, threatening expensive waterfront properties. But according to a new study co-authored by Yale SOM’s Matthew Spiegel, prices are not falling in the areas most likely to be affected.
Texas-based energy economist Ed Hirs ’81 says the February 2021 power crisis exposed longstanding, fatal flaws in the state’s energy market design and oversight.
The price of a single Bitcoin is up more than 700% since the beginning of 2020, defying years of predictions of a crash. We asked Prof. Aleh Tsyvinski, professor of economics at Yale, to shed some light on the continuing phenomenon.
Researchers have generally believed that as large institutional investors make bigger trades, their trading costs rise accordingly. Research from Yale SOM’s Tobias Moskowitz finds that they take a slow-and-steady approach to keep costs down and outsmart market predators.
We asked Yale SOM’s Kelly Shue, an expert in behavioral economics and empirical corporate finance, to explain what the GameStop phenomenon might mean for the balance of power on Wall Street.
Despite a general wave of pessimism following the COVID-19 stock crash in March, few investors made significant changes to their portfolios, according to new research from Yale SOM’s Stefano Giglio.
Prof. Shyam Sunder outlines a strain of research, drawing on complexity theory, that suggests that outcomes of a social system can be rational even if its individual participants are not rational.
A classic 1997 paper on mutual fund performance doesn’t describe present-day markets, Yale SOM's James Choi found.