Global hyperconnectivity and increased system integration have led to vast benefits, including worldwide growth in incomes, education, innovation, and technology. But rapid globalization has also created concerns because the repercussions of local events now cascade over national borders and the...

Global hyperconnectivity and increased system integration have led to vast benefits, including worldwide growth in incomes, education, innovation, and technology. But rapid globalization has also created concerns because the repercussions of local events now cascade over national borders and the...

The U.S. dollar’s dominance seems under threat. The near collapse of the U.S. financial system in 2008–2009, political paralysis that has blocked effective policymaking, and emerging competitors such as the Chinese renminbi have heightened speculation about the dollar’s looming...

Questions about the nature of money have gained a new urgency in the aftermath of the global financial crisis. Even as many people have less of it, there are more forms and systems of money, from local currencies and social lending to mobile money and Bitcoin. Yet our understanding of what money...

High-frequency trading is an algorithm-based computerized trading practice that allows firms to trade stocks in milliseconds. Over the last fifteen years, the use of statistical and econometric methods for analyzing high-frequency financial data has grown exponentially. This growth has been...

The U.S. dollar’s dominance seems under threat. The near collapse of the U.S. financial system in 2008–2009, political paralysis that has blocked effective policymaking, and emerging competitors such as the Chinese renminbi have heightened speculation about the dollar’s looming...

High-frequency trading is an algorithm-based computerized trading practice that allows firms to trade stocks in milliseconds. Over the last fifteen years, the use of statistical and econometric methods for analyzing high-frequency financial data has grown exponentially. This growth has been...

Why did the size of the U.S. economy increase by 3 percent on one day in mid-2013—or Ghana’s balloon by 60 percent overnight in 2010? Why did the U.K. financial industry show its fastest expansion ever at the end of 2008—just as the world’s financial system went into meltdown? And why...

Why did the size of the U.S. economy increase by 3 percent on one day in mid-2013—or Ghana’s balloon by 60 percent overnight in 2010? Why did the U.K. financial industry show its fastest expansion ever at the end of 2008—just as the world’s financial system went into meltdown? And why...

Questions about the nature of money have gained a new urgency in the aftermath of the global financial crisis. Even as many people have less of it, there are more forms and systems of money, from local currencies and social lending to mobile money and Bitcoin. Yet our understanding of what money...