James B. Stewart

A large and growing body of academic research suggests there are market anomalies that can be exploited to beat a strict index approach. Some of that research has been recognized with Nobels in economic science - William F. Sharpe in 1990 and Eugene F. Fama in 2013.

As a global disrupter, Uber is no stranger to conflict, and its instinct has always been pugilistic.

A major way that losses are generated in real estate ventures is through depreciation, which is supposed to reflect the way that assets lose value over time. But a well-maintained building typically gains value.

Almost everyone agrees that corporate tax rates need to be cut because of global competition. Companies should not be able to stash earnings overseas tax-free.

A study by the Federal Trade Commission found that concerns about every vertical merger examined by the commission from 2006 to 2012 were resolved through 'conduct remedies' rather than divestitures, and that all these remedies had been successful at protecting competition.

While there continue to be critics of the Comcast-NBC merger, it's hard to argue that competition in news and entertainment has diminished as a result, given the rise of Netflix and Amazon and the explosion in entertainment options that followed the merger.

Losses from partnerships and limited-liability companies, the entities through which the Trumps report much of their income, do not have to be added back as part of the A.M.T. calculation.

The A.M.T. is much reviled by tax experts across the political spectrum for its unintended consequences and fiendish complexity.

The National Multifamily Housing Council, a trade association of apartment owners, managers, developers and lenders, has come to the defense of the interest deduction and other provisions favorable to the real estate industry, describing them as 'core principles' and promising a fight.

Many tax experts say a key element to any fundamental overhaul is getting rid of certain deductions for businesses - the 'special-interest giveaways that are masked as tax breaks,' as House Republicans describe many of them in their own proposal.

As in many cities, Uber has disrupted powerful interests in London, starting with the drivers of black cabs, who trace their lineage to 1634, and their influential Licensed Taxi Drivers Association.

The biggest revenue target is the preferential rate for long-term capital gains, which raises a perennial question: Why should capital income be taxed at a much lower rate than ordinary income? Capital assets are owned overwhelmingly by the rich.