Abstract Symmetry of the world trade network provides a novel perspective to understand the world-wide trading system. However, symmetry in the world trade network (WTN) has been rarely studied so far. In this paper, the authors systematically explore the symmetry in WTN. The authors construct WTN in 2005 and explore the size and structure of its automorphism group, through which the authors fi...

This paper examines the scope, broad principles, and characteristics of Pacific Asia’s economic relationships and cooperation at the regional level. The author addresses the broad issue of whether Asian efforts for regional cooperation and integration have been compatible with similar arrangements elsewhere or with an open multilateral trading system at the global level. The paper also assesses...

Traders in a stock market exchange stock shares and form a stock trading network. Trades at different positions of the stock trading network may contain different information. We construct stock trading networks based on the limit order book data and classify traders into k classes using the k-shell decomposition method. We investigate the influences of trading behaviors on the price impact by ...

Article history: Received 2 March 2015 Received in revised form 19 May 2015 Accepted 26 May 2015 Available online 9 June 2015 Wecombine two concepts of informed trading – contrarian trades and stealth trading – to develop proxies for the probability of informed trading. These proxies are used to test the link between informed trading and adverse selection asmeasuredbybid–ask spreads and stock i...

With the growing number of marketplaces and trading partners in the e– commerce environment, software tools designed to act on behalf of human traders are increasingly used to automate trading activities. This paper describes a model for constructing trading engines which are capable of concurrently participating in multiple interrelated negotiations with heterogeneous protocols. The behaviour ...

We analyze the effects of differences of opinion on the dynamics of trading volume in stocks and options.We find that disagreements about the mean of the currentand next-period public information lead to trading in stocks in the current period but have no effect on options trading. Without options, we find that disagreements about the precision of all past and current public information affect ...

We analyze the correlations in patterns of trading for members of the Italian interbank trading platform e-MID. The trading strategy of a particular member institution is defined as the sequence of (intra-) daily net trading volumes within a certain semester. Based on this definition, we show that there are significant and persistent bilateral correlations between institutions' trading strategi...

In this paper we investigate when public enforcement of insider trading regulations reduces the amount of insider trading. We model a game between a potentially self-interested regulator enforcing insider trading laws and a trader who may be trading on inside information. We show that equilibrium strategies exist where despite active enforcement all inside information is used. Furthermore, we f...

in this study, trading patterns and constituents of trading performances of individual and institutional investors have been investigated in a weekly manner, using an auto regressive model and a grinblatt & titman portfolio performance measure spanning 2008-2012. the results show that while individual investors have a herding behavior, institutional investors take contrarian trading strategies....

Insider trading encompasses the buying or selling of stocks based on non-public information about the securities in question. Engaging in insider trading is particularly unethical for a Chief Financial Officer (CFO) who holds a fiduciary responsibility to shareholders and also typically is ethically obligated by his or her professional responsibilities. Although the Securities and Exchange Comm...