It is often claimed that statistical studies of covariation between financial and stock market data can help set better financial reporting policy. Such covariation, even when it can be estimated, tells us little about which financial reports help make better financial decisions. A case in...

To explore how speculative trading influences prices in financial markets, we conduct a laboratory market experiment with speculating investors (who do not collect dividends and trade only for capital gains) and dividend-collecting investors. Moreover, we operate markets at two different...