This paper reconsiders the implications of efficient markets for transmission of price volatility across markets. Tests of volatility transmission are based on conditional variances. Results are reported for key grain and beef markets. Transmission across cash, futures, and options is considered.

Tradeable credits are a central component of many market-based regulations. Whenever the market for compliance credits is efficient and policies are enforced over time, credit prices should reflect both current and expected future discounted marginal compliance costs, which are a function of...

Recent studies have tested whether futures prices respond to U.S. Department of Agriculture inventory reports in accordance with the efficient markets hypothesis. These studies use survey forecasts to identify the anticipated and unanticipated information contained in a report. However, this...