全国煤炭交易中心运营模式研究

全国煤炭交易中心的设立对规范我国煤炭交易市场规则、实施能源宏观调控、提升我国煤炭国际定价话语权具有重要意义。在分析全国煤炭交易中心功能定位和业务的基础上,设计中长期合同邀约、现货挂牌、现货竞价、现货招投标4种交易模式及业务流程,提出依托国家重大战略争取政策支持、加强各方沟通完善综合物流体系、建立银企合作机制与信用体系、完善煤炭交易中心协调机制、增强信息服务与风险防控能力等对策建议。研究成果对优化煤炭供给结构、规范煤炭交易市场和保障国家煤炭能源安全提供了支撑。     

Investigating the causal configurations of cost-efficient firms at the bottom of the pyramid

This study highlights how social and commercial enterprises with local and global presence, balance their economic and social goals, to sustainably serve the bottom-of-the-pyramid (BoP) markets, predominantly in emerging economies. Employing the lens of transaction cost economics and configurational theory, we propose that successful venturing into the BoP markets, sensitize firms to create appropriate governance mechanisms for reducing transaction costs, resulting in creation and capture of values. Further, these mechanisms enable those firms to attain cost efficiency and sustainability in the process of fulfilling their social objectives. To that end, we employed the case survey method to analyse 42 cases, from the Harvard Business School repository, on multinational enterprises (MNEs) in emerging economies. Further, we used qualitative comparative analysis to uncover the various causal governance configurations that enabled those firms to sustainably serve the BoP markets.     

How does reinsurance and derivatives usage affect financial performance? Evidence from the UK non-life insurance industry

A three-equation structural model is applied in this study to facilitate our examination of 1994–2011 regulatory returns data on UK non-life insurers, from which we find that those insurers using more reinsurance tended to have inferior financial performance, whilst those insurers with a predisposition towards risk management tended to have used both reinsurance and derivatives. We also find that those insurers with high loss ratios were found to have inferior financial performance. Our analysis sheds some light on the relationships between financial performance, reinsurance and derivative usage.     

Policy responses to an overheated housing market: Credit tightening versus transaction taxes

Among Asian economies, Hong Kong has experienced the highest real growth in house prices since the 2010s. Two macroprudential measures, namely credit tightening (loan-to-value ratio cap) and transaction taxes (stamp duty), were introduced to cool down the overheated housing market. This study examines and compares their effectiveness based on a set of constant-quality house price indices. Through an error correction model, we find that credit tightening was able to curb house price growth in the high-price segment, while transaction taxes could not. An explanation is that the exemptions from transaction taxes for those with genuine housing needs could be abused by other market participants. It is easier for buyers to exploit the exemptions to get around the stamp duty than to manipulate the property valuation for mortgage lending. The implication is that the effectiveness of macroprudential measures hinges on whether compliance or exemption can be easily monitored and enforced.     

Transaction services and SME internationalization: The effect of home and host country bank relationships on international investment and growth

Building on the argument put forward by North and Wallis (1994) that the transaction sector enables economic growth by lowering the costs of transacting, we investigate how internationalizing firms’ host and home country bank relationships affect their international specific investments and growth. Banks provide payment, liquidity, and risk management services, which are essential to international business relationships, yet little is known about how banks affect international business relationships. In a sample of 255 small and medium-sized enterprises (SMEs), we find that host and home country bank relationships affect the dependent variables differently. We contribute to the literature by explicating the role and effects of banks in international business relationships. Our findings have implications for understanding transaction services in international business as well as the choices made by their customers.     

Intraday pairs trading strategies on high frequency data: the case of oil companies

This paper introduces novel ‘doubly mean-reverting’ processes based on conditional modelling of model spreads between pairs of stocks. Intraday trading strategies using high frequency data are proposed based on the model. This model framework and the strategies are designed to capture ‘local’ market inefficiencies that are elusive for traditional pairs trading strategies with daily data. Results from real data back-testing for two periods show remarkable returns, even accounting for transaction costs, with annualized Sharpe ratios of 3.9 and 7.2 over the periods June 2013–April 2015 and 2008, respectively. By choosing the particular sector of oil companies, we also confirm the observation that the commodity price is the main driver of the share prices of commodity-producing companies at times of spikes in the related commodity market.     

数据要素市场培育：法律难题、域外经验与中国方案

数字经济时代,数据继土地、劳动力、资本、技术之后成为第五大生产要素。目前我国数据权属确定的法律制度不够完善,数据要素市场交易的法律制度尚未建立,数据要素市场监管的法律制度不够健全,这都制约了我国数据要素市场发展。为了培育数据要素市场,应以数据生产者与数据处理者为划分标准,建立“数据生产者（扩展权利)—数据处理者（有限产权)”的数据产权制度;以“降低制度成本—减少交易成本”的思路完善数据要素市场交易相关规则;以“事前预防与事后规制相结合”的方式完善数据要素市场监管法律制度。     

The role of family management and ownership on semi-globalization pattern of globalization: The case of family business groups

Employing a multi-level with longitudinal concern data analysis this research examines the impact from family management and ownership on semi-globalization pattern of globalization in family business groups from an integrated framework. The results reveal that the more likelihood that the controlling family utilize family management in the subsidiary, and the higher degree of pyramidal ownership in the subsidiary, the more likelihood that the family business group will choose to engage in the host regions. Additionally, family management and pyramidal ownership is positively related with the choice to engage in a higher difference region instead of a lower difference region in family business groups. The theoretical and future research implications of these findings for family enterprises and globalization research are discussed.     

金融衍生产品对上市公司风险管理影响实证研究

论文选取有色金属矿产行业以及能源交通运输行业229家上市公司作为样本，以上市公司是否使用衍生产品为解释变量，同时引用一系列控制变量，通过实证分析上市公司使用衍生产品是否会有效降低公司风险。实证过程涉及参数检验、非参数检验、相关性分析和回归分析，实证结果显示我国上市公司使用衍生产品会降低公司风险，这与西方主流的财务管理理论相一致而与我国学者以前的研究相反，由此推测我国上市公司运用衍生产品的能力逐渐娴熟。     

The impact of the French Tobin tax

We analyze the impact of the introduction of the French Tobin tax on the turnover and measures of the liquidity and volatility of the affected stocks with nonparametric tests on individual stocks, difference-in-difference tests and other robustness checks controlling for simultaneous month-of-the-year and size effects. Our findings indicate that the tax produces a significant reduction in turnover and volatility (measured in terms of stock price volatility and the high–low price range) and inconclusive effects on liquidity when the latter is evaluated under the two dimensions of the estimated bid–ask spread and the Amihud (2002) price impact ratio.