政府招标采购中的寻租行为分析

从政府招标采购中发生的寻租行为入手,采用博弈论的方法,探讨采购人员和供应商相互选择的条件,分析了寻租行为频发的原因。     

一种新的评标方法

评标是招标工作全过程中重要一环,而评标方法的制定则是评标工作的中心环节,现行的综合评标法和合理低价法在实际运用中都存在着一定的缺陷。结合国内外的评标实践,提出了考虑建设成本＋时间成本＋绩效偏差值＋奖惩金额的一种新评标方法,并对该方法的应用进行了初步的探讨。     

Prices paid for farmland in Ontario: Does buyer type matter?

In the wake of the substantial increases in farmland values that have occurred in Ontario since 2008, concerns have been expressed regarding the potential influence of nonfarmer buyers, such as investment companies and foreign buyers, on prices paid for farmland. To examine whether these concerns may be warranted, this paper estimates the impact of nonfarmer buyers on sale prices for farmland in Ontario, using a hedonic approach and farmland sales data from 2002 to 2016. Analysis is also conducted to determine whether marginal implicit prices of specific farm attributes differ between farmer buyers and nonfarmer buyers. The results indicate that nonfarmer buyers have paid higher prices for farmland, but only in near‐urban areas. In addition, differences in marginal implicit prices for farmland attributes are found, where farmer buyers value more highly attributes related to the agricultural productivity of the property while nonfarmer buyers value more highly attributes related to nonagricultural use. These results imply that the higher prices paid by nonfarmers may be attributable to the bid‐rent theory, as nonfarmers may be bidding more than farmers for farmland in near‐urban areas due to higher expected returns from future urban use of the land.     

风电项目全过程造价控制管控要点分析

建设项目全过程造价控制是近些年提出的造价管理思想,它旨在项目建设全过程对建设成本进行动态的、多阶段、多维度的把控,反馈建设过程中存在的问题,最终实现节约建设成本、达成项目管理目标的作用。风电项目具有建设周期短、南方项目大型设备运输困难、施工降水量大、冰冻等特点,导致工程变更、签证、索赔情况频频发生,由此一来建设方的安全就显得尤为必要。而在具体实施过程中管控要点的切入是执行中的一个难点,许多造价人员不知道应该管控什么、从那里入手、管控到什么精度。本文将结合作者多年风电项目建设造价管理工作经验,针对全过程造价控制的管控要点进行分析。     

不平衡报价法在投标中的应用

不平衡报价作为一种常用的投标策略,在工程投标中常常被采用,只要运用得当,不仅可提高中标概率,同时在结算时可获得比较理想的收益。     

除息日买卖价差研究——基于高频数据的实证

流动性和交易成本在短期交易策略中是需要考虑的关键因素，限价指令簿的理论模型表明除息日的流动性可能受到影响，本文基于中国股票市场研究除息日相对于附息日的相对有效买卖价差的变化，揭示我国股票市场除息日短期交易的流动性和交易成本特征，结果表明除息日相对于附息日买卖价差显著增大。     

论经评审的最低投标价法

近年来,随着河北省招标投标市场不断发展和完善,我省出台了工程量清单招标、低价中标以及工程担保三项制度,河北省建立了招标投标管理交易系统,经评审的最低投标价法在河北省范围内应用比较广泛,本文明确阐述了在运用过程当中有诸多的优缺点和可行性。     

如何避免交通工程投标中的重大偏差

由于每一个交通公路工程的标的都相对比较大,给招投标双方及社会造成的影响也相对比较大,因此,如何避免交通工程投标中的重大偏差,就成了投标是否成功的一个重要环节。     

非对称信息下无标底招标模式的研究

通过从信息部对称角度出发,对有标底、无标底招标方式进行对比,分析了两者的利弊,肯定无标底招标的优越性。通过对该方式招标的重点难点及风险因素的剖析,提出相应的措施和对策,以期证明无标底的招标是一种理论上最优,实际中可行的建设项目招投标办法。     

Liquidity risk integration in portfolio choice： The bid efficient frontier

In this paper, a tractable solution is proposed to integrate, to a certain extent, market liquidity risk in the portfolio selection process. It is shown how an investor may take advantage of this additional risk source within the standard mean-variance optimization framework, by in certain circumstances overcoming the pitfalls of illiquidity and in others seizing a liquidity premium. Bid prices appear effective to capture liquidity risk. The efficient frontier conceived with bid prices consists of mean-variance optimal allocations that cover more liquid stocks （large caps） under stressed market conditions and less liquid stocks （small caps） under normal conditions.