Technical efficiency of UK airports

In this paper, the random stochastic frontier model is used to estimate the technical efficiency of UK airports. The airports are ranked according to their productivity for the period 2000–2005 and homogenous and heterogeneous variables in the cost function are disentangled. These changes the ranking of the efficiency of UK airports compared to more conventional measures.     

中国可再生能源定价的SWOT分析与政策选择

利用SWOT方法从政策、市场、技术、社会等层面分析了影响我国可再生能源定价的各种因素,测算出我们发展可再生能源可减少CO2的排放量,并着重研究可再生能源发展对环境经济影响。在参考国外可再生能源发电对CO2排放量贡献和国内可再生能源发展现状基础上,采用灰色预测GM（1,1）模型测算出中国可再生能源在高、中、低发展目标水平下的CO2排放减少量。采用可计算的一般可均衡（CGE）模型测算发展可再生能源的宏观经济影响：发展可再生能源对中国GDP产生负向影响,但冲击并不大;另一方面,发展可再生能源可以显著减少CO2和SO2的排放,有利于降低单位GDP能耗。分析中国可再生能源定价中存在的主要问题,讨论中国政府现阶段的可再生能源定价的政策选择,最后就中国可再生能源的定价和发展提出相关的政策建议。     

Evaluation on the Effects of Differential Housing Finance Policy： An Empirical Research in Guangxi

差别化住房信贷政策是我国房地产金融调控的新举措之一,国内运用实证分析差别化住房信贷政策实施效果的研究并不多见。本文在已有研究的基础上,深入研究差别化住房信贷政策的相关理论及演进过程,并以广西为实证研究的样本,以抽样调查数据检验政策落实情况,重点考察政策在房地产市场的区域实施效应,分析影响政策实施效果的主要因素,有针对性地提出政策建议。     

The Path to Enhance Quality of Suspicious Transaction Reports for Anti-Money Laundering

反洗钱制度安排的一项核心内容是金融机构向反洗钱情报部门提交可疑交易报告。目前,金融机构可疑交易报告数量庞大而情报价值较低,已成为制约反洗钱工作开展的主要障碍。本文在分析可疑交易报告质量影响因素的基础上,给出了提升其质量的系统管理路径,包括完善报告制度、优化报告流程、实施风险管理、创新技术手段、拓展审计职能等。     

外汇市场压力问题的研究综述

本文从外汇市场压力的测度、外汇市场压力与货币政策、外汇市场压力与货币危机的识别与测度以及外汇市场压力与汇率制度四个方面总结了国外研究者对此的最新研究成果,从中我们发现外汇市场压力对于一国经济有着重要的影响,特别是在当前通胀预期下,外汇市场压力与我国资产价格波动和货币政策之间的相互作用过程值得我们去进一步研究。     

Is econometrics useful for private policy making? A case study of replacement policy at an auto rental company

The goal of this paper is to illustrate the potential usefulness of econometrics as a tool to assist private policy makers. We provide a case study and detailed econometric analysis of the automobile replacement policy adopted by a large car rental company. Unlike public policy making–where the benefits from using econometric models and “science-based” approaches to policy making are hard to quantify because the outcomes of interest are typically subjective quantities such as “social welfare”–in the case of firms there is an objective, easily quantifiable criterion for judging whether policy A is better than policy B: profits. We introduce and estimate an econometric model of the rental histories of individual cars in the company’s fleet. Via stochastic simulations, we show that the model provides a good approximation to the company’s actual operations. In particular, the econometric model is able to reproduce the extraordinarily high rates of return that the company obtains on its rental cars, with average internal rates of return between purchase and sale of approximately 50%. However, the econometric model can simulate outcomes under a range of counterfactual vehicle replacement policies. We use the econometric model to simulate the profitability of an alternative replacement policy under pessimistic assumptions about the rate maintenance costs would increase and rental rates would have to be decreased if the company were to keep its rental cars longer than it does under the status quo. Depending on the vehicle type, we find that the company’s expected discounted profits would be between 6% to over 140% higher under the suggested alternative operating strategy where vehicles are kept longer and rental rates of older vehicles are discounted to induce customers to rent them. The company found this analysis to be sufficiently convincing that it undertook an experiment to verify the predictions of the econometric model.     

The risk-return trade-off in human capital investment

In this paper, we analyze investments in human capital in a way which is standard for financial assets, but not (yet) for human capital assets. We study mean-variance plots of human capital assets. We compare the properties of human capital returns using a performance measure and by using tests for mean-variance spanning. Fields differ strongly not only in common rates of return, but also in return per unit of risk. We identify a range of educations that are efficient in terms of investment goods, and a range of educations that may be chosen for consumption purposes.     

民营企业投融资难的化解途径探寻

《中小企业促进法》的颁布实施，标志着我国中小企业的发展已经进入了规范化和法制化的轨道．但是资金短缺仍是困扰民间投资发展的“瓶颈”问题。化解这一难题的出路就是：信用是前提，政策是根本．银行是保证，创新是关键。