中国城市化进程中土地征用补偿边界分析

本文从失地农民的福利入手,分析了征地补偿的现实边界和理论边界。结果表明,政府垄断土地非农化市场严重低估了征地补偿标准,合理的征地补偿应该明晰失地农民的产权和引入市场竞争机制。     

关于岳阳南湖旅游开发主题定位问题的探讨

旅游资源规划的核心问题,乃在把握住资源的基本文化属性,作出科学的主题定位。岳阳南湖本是极富吸引力的优势资源,因为对此认识上的盲目、短视与无知,故其开发利用根本未能达到旅游文化开发的高层面,因而也至今无法进入市场,产生效益。南湖资源人为毁损状况堪忧。要制止目前的盲动作法,要使南湖重焕光彩,形成旅游产品进入市场,必须重新进行主题定位,并采取若干可行措施。     

论马克思的产权理论

产权是财产主体对财产所拥有的排他性、归属性的关系和权利,体现了人与人之间的经济关系或经济权利.产权由所有制决定,受到一定的法律保护,体现了一定的历史范畴.     

Hard thresholding regression

In this paper, we propose the hard thresholding regression (HTR) for estimating high‐dimensional sparse linear regression models. HTR uses a two‐stage convex algorithm to approximate the ?₀‐penalized regression: The first stage calculates a coarse initial estimator, and the second stage identifies the oracle estimator by borrowing information from the first one. Theoretically, the HTR estimator achieves the strong oracle property over a wide range of regularization parameters. Numerical examples and a real data example lend further support to our proposed methodology.     

Closure property of consistently varying random variables based on precise large deviation principles

Let X = {X₁, X₂, …} be a sequence of independent but not necessarily identically distributed random variables, and let η be a counting random variable independent of X. Consider randomly stopped sum S_η = ∑^η_{k = 1}X_k and random maximum S_(η) ? max?{S₀, …, S_η}. Assuming that each X_k belongs to the class of consistently varying distributions, on the basis of the well-known precise large deviation principles, we prove that the distributions of S_η and S_(η) belong to the same class under some mild conditions. Our approach is new and the obtained results are further studies of Kizinevi?, Sprindys, and ?iaulys (2016) and Andrulyt?, Manstavi?ius, and ?iaulys (2017).     

Bayesian density regression for discrete outcomes

We develop Bayesian models for density regression with emphasis on discrete outcomes. The problem of density regression is approached by considering methods for multivariate density estimation of mixed scale variables, and obtaining conditional densities from the multivariate ones. The approach to multivariate mixed scale outcome density estimation that we describe represents discrete variables, either responses or covariates, as discretised versions of continuous latent variables. We present and compare several models for obtaining these thresholds in the challenging context of count data analysis where the response may be over‐ and/or under‐dispersed in some of the regions of the covariate space. We utilise a nonparametric mixture of multivariate Gaussians to model the directly observed and the latent continuous variables. The paper presents a Markov chain Monte Carlo algorithm for posterior sampling, sufficient conditions for weak consistency, and illustrations on density, mean and quantile regression utilising simulated and real datasets.     

Foreign aid and domestic taxation: multiple sources,one conclusion

There are influential studies that argue that foreign aid displaces domestic tax revenue when it is given in the form of grants. These claims are based on data that are deeply problematic: several different sources are amalgamated into one dataset, with no apparent checks on compatibility. In this article, a variety of econometric strategies are used to overcome these issues of data quality. The resulting weight of evidence points to a modest but positive effect on the part of foreign aid generally on domestic tax revenue. Fears over a negative effect for aid grants appear unwarranted, and are accounted for by the inappropriate use of data or endogeneity issues.     

Documentarians,fair use,and free expression: changes in copyright attitudes and actions with access to best practices

This study, based on a survey of 489 documentary filmmakers, is a case study in copyright policy in and through practice. It assesses the changes in documentary production practice around clearance of copyrighted material since the creation of the Documentary Filmmakers' Statement of Best Practices in fair use in 2005. Fair use, an exotic and occasional feature of documentary film in 2004, has become well known and commonly employed. Creative options for filmmakers concerning the use of third-party material have dramatically improved with changes in norms after the issuing of the Statement. Attitudes about fair use are strongly associated with free expression and creative opportunity, and vary with experience. Where filmmakers have changed work because of copyright concerns, they themselves rather than any gatekeeper have made the decision to do so. Where change is associated with fair use, risk is a common concern. Newer filmmakers are more likely to support the use of copyrighted material to make new work, but less likely to know about fair use, and also more likely to have experienced takedowns online. Both education about and experience with fair use appear to have an effect on practice. Filmmakers continue to lack reliable information on the actual risk landscape, and about fair use on digital platforms.     

简论《物权法》对我国社会和经济发展的作用

《物权法》是确认和保护多种所有制经济,充分发挥公有制优越性的重要措施。从《物权法》的基本原则、显著特点、主要内涵、政策导向等方面进行论述和分析,供政府、企业等相关人士研究参考。     

我国构建数字经济税收法律制度的现时难题和优化路径

传统税收法律制度在对数字经济企业实施税收征管时存在征管依据缺失、征管技术落后等不足,进而诱发税基侵蚀和利润转移问题,导致无法对数字经济进行充分有效的征管。各国对数字经济的利益诉求不同,使得在国际层面具备广泛共识的数字税方案难以达成。从国内层面来看,我国对于数字经济的税收征管仍旧依靠传统税收模式进行,并未将数字税作为独立税种在法律上予以确认。这种税收模式在数字经济持续发展的当下已经无法满足数字经济税收征管的现实需要。对于当前中国构建数字经济税收法律制度的路径,可以通过升级数字税收监管技术、发挥数字经济平台的监管作用和加强国际税收合作等手段进行优化,并积极参与和推进具有广泛共识的国际数字税收法律规则的制订。