Search functionality of a CORBA trader is restricted to search for service offers and assumes clients’ knowledge of service types of those offers. It would be more flexible if the clients can also import other information, i.e. service types and interfaces, before trading for service offers, or conduct keyword search. With this requirement, making service descriptions into XML format can be hel...

If f is a risk measure, the diversification benefit of aggregating portfolio’s A and B is defined to be (1) f(A) + f(B)− f(A + B) When using full revaluation VaR as the methodology for computing a risk measure, its quite possible to get negative diversification. Pathological examples are possible, but the following example is not absurd: Suppose one has a portfolio that is made up by a Trader A...

We quantify competition among traders by the Herfindahl Index. The index is widely used to assess market concentration and it is computed as the sum of the squared market shares. We study the market for liquidity provision. In an electronic limit order book, liquidity is provided by passive orders and a trader’s market share is the fraction of passive limit order volume that this trader provide...

pain is a phenomenon experienced more or less by all people during their lives. since sufferers usually use language as the most important human communication tool to inform others about their pains, sentences describing pain and studying them linguistically may reveal some points. in this paper, after a short introduction to the subject and reviewing the literature, we take one of the systemat...

among the main factors of friendly commercial and political relations between safavid iran and india were reciprocal needs and policies of safavid kings concerning trade development. thus, various regions of iran, especially isfahan, had became a good market for indian goods. isfahan as a capital of safavid state was a centre of commercial activities of such indians as baniyans, multanians, and...