experience of double revolutionary upheavals in russia during the 20th century which produced a new socio-economic regularity on one hand and changed the political system from monarchial to democratic republic and then soviet state and finally presidential republic at the end of 20th century on the other hand are treated as democratic movements. in this regard, crumbling of ex-soviet regime and...

In this paper, we illuminate the origins of the crumbling quote signal employed by IEX, provide detailed analyses of its performance, and discuss its continuing evolution.