农用土地分等、定级和估价的理论与方法探讨

在对农用土地分等,定级和估价基本原理研究的基础上,分析了我国此项研究中目前存在的问题,并结合江苏省金坛市的实证研究,提出农用土地分等,定级和估价的技术路线和方法。     

Implementation with partial verification

This paper examines the implementability of social choice functions when only partial verification of private information is possible. Green and Laffont (1986) used this framework to derive a necessary and sufficient condition for the revelation principle to continue to hold with partial verification. We provide economically interesting characterizations of this condition, which suggest that it may be too restrictive. This leads us to consider implementation (not necessarily truthful) in general, when there is partial verification. We consider the case where compensatory transfers are allowed, giving the mechanism designer further leeway. We show how partial verification may allow efficient implementation of bilateral trade, where it would otherwise not be possible. Received: 1 August 1998 / Accepted: 5 September 2000     

Time, knowledge and evolutionary dynamics: why connections matter

Time matters because knowledge changes. Knightian uncertainty excludes correct procedures and proven knowledge, but makes room for imagination and creativity, which drive an evolutionary process. Human cognition relies less on logic than on pattern-making; we impose connecting principles to create patterns and causal linkages between them as representations of phenomena, which are imperfect and often subject to multiple interpretations. Stable patterns provide the necessary baseline for selection. Our personal patterns are supplemented by institutional regularities, and organisations of various kinds help to shape the development of knowledge, which grows by making connections at the various margins of existing knowledge.     

The trade balance and the terms of trade in a two-country two-sector OLG economy

We consider a two-country, two-sector OLG model. It is shown that the trade balance and the relative price of exports are always positively related when exports are labor intensive regardless of the elasticity of intertemporal substitution in consumption. A large response of savings to future prices becomes a sufficient condition for an inverse relation between these variables only if exports are capital intensive. In this case, a rise in the terms of trade can be followed by a trade balance decline if consumption goods are capital intensive and the income effect implied on savings is negative and large.     

Testing nonlinearity: Decision rules for selecting between logistic and exponential STAR models

A new LM specification procedure to choose between Logistic and Exponential Smooth Transition Autoregressive (STAR) models is introduced. The new decision rule has better properties than those previously available in the literature when the model is ESTAR and similar properties when the model is LSTAR. A simple natural extension of the usual LM-test for linearity is introduced and evaluated in terms of power. Monte-Carlo simulations and empirical evidence are provided in support of our claims.     

The effects of public infrastructure on the cost structure of Spanish industries

This paper examines the impact of public infrastructures on the performance of Spanish private business at a disaggregated industry level. We use duality theory to recover the productivity effects of public capital by calculating the cost saving effects that are associated to public services. Using a translog cost function we present panel estimates for 14 Spanish industries during the period 1980–1991. Our results strongly suggest that public capital formation can be considered to be an instrument to improve competitiveness by reducing production costs. However, the results also indicate that there is a technologically induced labor saving effect through higher public investment. Furthermore, our estimates suggest that a distinction among industries is of importance because the effects of public infrastructures vary across industries considerably.     

Internal and external exchange rate equilibrium in a cointegration framework. An application to the Spanish peseta

A simple cointegration methodology is used to compute the equilibrium real exchange rate for the peseta. The stock of foreign assets and the evolution of sectoral prices are considered to be the fundamentals for the real exchange rate. After testing for cointegration, we proceed to decompose the series into a permanent and a transitory component, following the method devised by Gonzalo and Granger. The permanent component of the real exchange rate corresponds to its (time-varying) equilibrium value, and the deviation of the actual real exchange rate from this equilibrium value gives an estimation of the degree of misalignment of the real exchange rate. By the end of the sample (1998:1), the peseta is estimated to be undervalued around 6%.     

基于模糊排架的图书分类排架查询系统设计

介绍了基于模糊排架的图书分类排架查询系统的设计背景和具体设计步骤,阐述了图书排架分类号和架位号确定的具体方法,逐一介绍了系统各功能模块的设计思路和相应的源代码,提出了进一步完善该系统的建议。通过实际应用,取得了较为满意的效果。     

ASP effects in the small-sized enterprise: the case of the Bizmeka service from Korea Telecom

An application service provider (ASP) is a business model providing information technology (IT)-enabled solutions to customers over the Internet. Utilizing an ASP model, small and medium-sized enterprises (SMEs) can acquire affordable IT solutions. Korea Telecom (KT), a leading IT company in Korea, provides an ASP service called Bizmeka to SMEs. In this study, we identify factors influencing the perceived benefits of Bizmeka usage. We also examine the relationship between the perceived benefits of Bizmeka usage and customer satisfaction. Based on the results of our survey, we found the following factors to be important in determining customer satisfaction with ASPs: cost and time impact, maintenance impact, and security risks.     

Information and disclosure in strategic trade policy

We relax the standard assumption in the strategic trade policy literature that governments possess complete information about the economy. Assuming instead that governments must obtain information from firms, we examine firms' incentive to disclose information to the governments in the Brander–Spencer setting. With quantity competition, we find firms disclosing both demand and cost information, thereby justifying the literature's omniscient-government assumption. With price competition, however, firms have no incentives to disclose demand or cost information, so governments remain uninformed. Further, with quantity competition and unknown demand, governments are caught in an informational prisoner's dilemma.