So Manny... why are you so pissed off all the time? Things are actually pretty good.

[frazzled]

25. Thanks, now get down and dirty with some economic theory

A review of Thomas Piketty's Capital in the Twenty-First Century. He's the sort of economic genius of income inequality, which he's been studying for decades, and has a different theory than most economists:

The question is what’s driving the upward trend. Piketty didn’t think that economists’ standard explanations were convincing, largely because they didn’t pay enough attention to capital accumulation—the process of saving, investing, and building wealth which classical economists, such as David Ricardo, Karl Marx, and John Stuart Mill, had emphasized. Piketty defines capital as any asset that generates a monetary return. It encompasses physical capital, such as real estate and factories; intangible capital, such as brands and patents; and financial assets, such as stocks and bonds. In modern economics, the term “capital” has been purged of its ideological fire and is treated as just another “factor of production,” which, like labor and land, earns a competitive rate of return based upon its productivity. A popular model of economic growth developed by Robert Solow, one of Piketty’s former colleagues at M.I.T., purports to show how the economy progresses along a “balanced growth path,” with the shares of national income received by the owners of capital and labor remaining constant over time. This doesn’t jibe with modern reality. In the United States, for example, the share of income going to wages and other forms of labor compensation dropped from sixty-eight per cent in 1970 to sixty-two per cent in 2010—a decline of close to a trillion dollars.

Piketty believes that the rise in inequality can’t be understood independently of politics. For his new book, he chose a title evoking Marx, but he doesn’t think that capitalism is doomed, or that ever-rising inequality is inevitable. There are circumstances, he concedes, in which incomes can converge and the living standards of the masses can increase steadily—as happened in the so-called Golden Age, from 1945 to 1973. But Piketty argues that this state of affairs, which many of us regard as normal, may well have been a historical exception.

...

Piketty calls the tendency for inequality to rise during periods when the rate of return on capital is higher than the economy’s rate of growth “the central contradiction of capitalism.” Of course, the logic can also run in reverse. If the rate of growth exceeds the rate of return, wages and salaries will grow more rapidly than income from capital, and inequality will fall.

http://www.newyorker.com/arts/critics/books/2014/03/31/140331crbo_books_cas