Modern securities regulation has three main areas, each of which is plagued by a core problem. Mandatory disclosure law leaves society with suboptimal disclosure, as the government calls for too little of some information (for example, management analysis of company prospects) and too much of...

To some, the reductions in information asymmetry provided by the main securities-specific disclosure, fraud, and insider-trading laws help ordinary investors in meaningful ways. To others, whatever their larger social value, such reductions do little, if anything for these investors. For...

It has long been said that market forces alone will result in a problematic under-sharing of information by public companies. Since the 1930s, the main regulatory response to this market failure has come in the form of the massive mandatory-disclosure regime that sits at the foundation of modern...

Off-exchange trading today has become defined by its opacity. Indeed, the framing of this symposium on What Happens in the Dark: An Exploration of Dark Pools and High Frequency Trading and its goal of “exam[ing] a portion of the modern market that remains largely outside of the public eye”...

High-frequency trading, dark pools, and the practices associated with them have come under tremendous scrutiny lately, giving rise to much hot rhetoric. Missing from the discussion, however, is a principled, comprehensive standard for evaluating such practices and the law that governs them. This...

Corporate information that moves stock-market prices sits at the center of modern securities regulation. The Great Depression-era securities laws at the foundation of the field require much mandatory disclosure of this type of information. They also include a strict anti-fraud regime to ensure...

The social benefits of more accurate stock prices — that is, stock-market prices that more accurately reflect the future cash flows that companies are likely to produce — are well established. But it is also thought that market forces alone will lead to only a sub-optimal level of...

Since the first exchange-traded fund began trading in 1993, the ETF form has attracted enormous investment flows. However, this triumph of the ETF has been overwhelmingly limited the world of passive investment. Due to a mix of recent market innovation and regulatory change, this state of...