Mandelbrot, who did the experiment with stock exchanges prices, for example, noted that although the outcomes were variable, there were in fact certain constancy.
The constrained operations means pending investigations in securities violations have ground to a halt, and there is no one reviewing applications for company stock offerings to raise cash or consider merger and acquisition filings.
The artists, a group of high-school and university students, pledged to remove their skirts if the Nikkei, Japan's benchmark share index, hit 13,000 after the central bank's announcement.