Influence maximization problem is about finding a small set of nodes from the social network as seed set so as to maximize the range of information diffusion. In this paper, the theory of coritivity and method of finding core nodes in networks are introduced to deal with this problem. From the...

Purpose – The purpose of this paper is to investigate the changes in initial public offering (IPO) underpricing and short-run performance following a regulatory reform (No. 54 [2002] China Securities Regulatory Commission (CSRC)) of the method of allocating IPO shares in China....

Initial public offerings in China are distinguished from IPOs in other markets by their extremely high abnormal initial returns and so-called 'Chinese Characteristics'. We examine the effect on IPO underpricing and short-run performance of significant changes in Chinese IPO regulations...

This paper attempts the following two questions, both with reference to the response of the Polish economy to the stabilization and liberalization plan of January 1, 1990: why was the fall in output much larger and the inflation rate much higher than anticipated? Was the contraction of aggregate...

This timely book provides an authoritative analysis of the pension reform process in nine countries, namely Australia, Canada, France, Germany, Italy, the Netherlands, New Zealand, the UK and USA, with Japan being covered in the introduction by the editors. The book draws on the work of experts...

This paper attempts to ascertain which of the convergence hypotheses – absolute, conditional, or club – best describes the economic development of the U.S. states since 1950. We use regression tree analysis to identify convergence clubs among the states and argue that the club...

This paper provides a survey and synthesis of econometric tools that have been employed to study economic growth. While these tools range across a variety of statistical methods, they are united in the common goals of first, identifying interesting contemporaneous patterns in growth data and...

This article challenges pessimistic interpretations of the economic impact of population ageing that have been advanced by the World Bank and others. Common perceptions of an 'old age crisis' are shown to result from a narrow reading of demographic data. Future changes in the age structure of...