On the basis of available data analysis of the world economy development in the industrial era is carried out. The countries are grouped according to their economic dynamics. A model describing countries co-evolutional eco-nomic development processes in the framework of the world system is...

We consider a simplified model of finance market where two players carry on direct multistage bidding with risky assets (shares). One of the players (the insider) is informed on the liquidation price of a share, the other player knows its probability distribution only. It is shown that the...