We introduce a new relaxation framework for nonconvex quadratically constrained quadratic programs (QCQPs). In contrast to existing relaxations based on semidefinite programming (SDP), our relaxations incorporate features of both SDP and second order cone programming (SOCP) and, as a result,...

An expanding literature exists to suggest that the trading mechanism can influence the volatility of security returns. This study adds to this literature by examining the impact that the introduction of SETS, on the London Stock Exchange, had on the volatility of security returns. Using a Markov...

This study examines the impacts of reforms – privatization, new entry and independent regulatory authority – on mobile network penetration and expansion using a new and hitherto unused panel dataset for 30 national mobile markets (i.e. 29 OECD countries and China) over the time period...

Eco-knowledge city is a new concept for the world’s urban studies, an all-new urban form, and concept of urban development and strategy. The core of eco-knowledge city is to surpass the traditional urban development model of industrial society strategically, to purposely encourage...

Based on the actual situation and the survey results in rural areas, with the domestic and foreign advanced green building standard as a reference, we initially determine the evaluation indicator system for rural green building. We use the AHP-Delphi method to calculate the weight, and get a...

The regulations on illegal logging issued by EU, USA and Australia etc. affect the international forest product trade which includes China. Based on the questionnaire survey, stakeholder’s interview and field investigation, the paper analyses the Chinese enterprises' response to the trade...

From the beginning, the debate on the likely results of the proposed acquisition of T-Mobile USA by AT&T focused more on the claims of the parties that “immense” merger efficiencies would overwhelm any apparent losses of competition than on the presence or absence of those losses, and the...

This paper briefly introduced the issues of food safety and environmental pollution caused by pesticide residues in protected vegetables, discussed the status and problems of pesticide use in the protected vegetables in Shandong Province, and analyzed the main factors leading to the pesticide...