The idea that speculation exacerbates commodity and stock price volatility dates back at least from the second half of …, originally applied to commodities and subsequently extended to securities, was that speculation is mostly beneficial …. Professional speculation improves resource allocation by reducing the size (if not frequency) of price fluctuations, enabling …

the price discovery process is affected by futures speculation. Using different measures for speculation and hedging and a …

-Frank Act, to ban excessive speculation from the derivatives market, i.e., the speculation which exceeds the need for liquidity … Congress, during which a strong consensus was reached there that excessive speculation by Too Big to Fail banks in commodity … proposed limits on big bank speculation are so high that they will have no meaningful effect on limiting speculation, leading …

what is known about the level of speculation in the paper oil market. We then analyze the dynamics of the term structure of …

This paper evaluates how different types of speculation affect the volatility of commodities' futures prices. We adopt … four indexes of speculation: Working's T, the market share of non-commercial traders, the percentage of net long … speculators over total open interest in future markets, which proxy for long term speculation, and scalping, which proxies for …

relation to storage and speculation. Fifteen commodities are analyzed over the time period from 1990 to 2010. Contrary to other …-dated contracts. The innovations are used to perform Granger causality tests with respect to the level of net speculation and changes … short-dated contract. Second, we do no find evidence that speculation has statistically significant effects on permanent or …

CCC and DCC multivariate GARCH models, we find that financial speculation is poorly significant in modelling returns in …