Securities & Commodity Exchanges

5 Results

 

What’s Behind China’s Wild Stock Ride?

Li Jin

Podcast: The recent one-day plunge of 9 percent in China's stock markets has continued to weigh heavily on other markets around the world. What caused the fall? Are more ups and downs to come? Professor Li Jin discusses the unique characteristics that drive Chinese stocks. Read More

Float Manipulation and Stock Prices

Robin Greenwood

When a firm reduces the number of shares available to trade, so-called float manipulation, the price of the stock is often driven up. The author uses a series of 2,000 stock split events in Japan as an experiment to understand the consequences of float manipulation for stock prices. The conclusion: Stock prices are raised significantly when there are differing opinions about the value of shares, investors are unable to sell short, and the number of outstanding shares is reduced. Read More

A Cross-Sectional Analysis of the Excess Comovement of Stock Returns

Robin Greenwood

This paper develops cross-sectional predictions from a model in which the excess comovement of stock returns comes from correlated demand shocks. The model is tested on 298 Nikkei index stocks and 1,458 non-index stocks for the years 1993 through 2003. The study finds that controlling for index membership, index overweighting is a significant determinant of the comovement of returns with index returns. Read More

Analyst Disagreement, Forecast Bias and Stock Returns

Anna Scherbina

It is well documented that financial analysts' opinions are reflected in stock prices. The problem: Analysts often operate under incentives that are inconsistent with telling the truth. Retail investors, who tend to be less sophisticated, may fail to make proper adjustments for the more nuanced of the resulting biases, some of which might be reflected in market prices. To study the scope of market efficiency, Scherbina studied analysts' incentives, resulting forecast biases, and their potential impact on market prices. Read More

What It Takes to Restore Trust in Business

What’s still wrong with American business? Start with pervasive conflicts of interest and the limits of enforcement. Read More