El sistema financiero y su efecto en la dinámica sector privado

In the framework of a closed economy, identical agents, constant returns to scale and introducing a financial market, through a model of endogenous growth the macroeconomic equilibrium is characterized and it is shown that capital distribution is perfect with the existence of an efficient financial market. Nevertheless, the capital distribution is ineffective when the financial market is not efficient, which generates distortions that increase the cost of capital and hence rate of growth decreases. At the same time, a welfare analysis is carried out to verify the impact due to both types of financial markets, an efficient one and an inefficient one.     

浅谈提高施工企业经济效益的途径

本文针对电建市场面临的形势,详细地分析了施工企业提高经济效益的途径。     

水蓄冷空调技术的运用与经济性分析

文章论述了蓄冷空调与常规空调相比所具有的优越性。蓄冷空调的一个主要特征是比传统空调多了一套蓄冷设备。它主要在电网用电低谷时段开机蓄冷,在电网用电高峰时段释放冷量,以缓和电网峰段时的电力供应矛盾,达到移峰填谷的目的。同时,指出利用不同时段的电价差可节约大量电费。     

新疆地区特色植物油脂的营养分析和发展前景

新疆特产多,特色油料资源丰富,各种特色油脂不饱和脂肪酸成分含量高,并含有维生素、人体必需氨基酸等营养成分,各种油脂的搭配食用,将有利于人体健康。目前,新疆油脂市场品种少,应抓住跨越式发展机遇,加快发展力度,利用新疆本地资源,为广大消费者提供更具营养价值的新疆特色油脂。     

Efficiency of the Banking Industry Structure in Korea*

This paper analyzes whether the efficiency of the Korean banking industry has improved since the bank restructuring in 1997, and whether a bank with high efficiency has a larger market share. This paper uses an efficient structure hypothesis model to examine the relationship between the banks' efficiencies and their profitability. The data envelopment analysis method is applied to measure the efficiency and profitability of the banking industry in order to minimize possible bias due to the inflow of public funds for the bank consolidation. The two‐step Heckman selection method is used to correct for survivorship bias in the model. The derived result indicates that banks with higher efficiencies tend to record higher profit. Moreover, higher pure technological efficiency and scale efficiency have a positive effect on a bank's market share and concentration.     

农村居民点土地整理的效益评价方法探讨

对农村居民点土地整理效益评价研究能够为土地整理工作科学、合理地实施提供理论支持,农村居民点土地整理效益评价必须能够全方位涵盖其综合效益的内涵,全面计算影响农村居民点土地整理效益的所有土地、自然、社会、经济因素。该文以奈门沁村为例,运用定性、定量、动态及实证研究方法,确定所研究区域内农村居民点土地整理效益大小。     

Dynamics of Urban Residential Property Prices— A Case Study of the Manhattan Market

In a multivariate vector autoregression framework, this paper investigates the weak efficiency of the urban residential real estate market and the cause of weak efficiency. An error correction model is used to estimate long-term relationships among apartment prices and adjustment speed from disequilibrium to equilibrium. Based on a unique dataset of the Manhattan market, the efficiency of this market, seasonal stationarity of property prices, and the weak exogeneity of leading sub-markets are studied. Our results indicate that, in a market of less heterogeneity and higher transaction volumes, the weak efficiency hypothesis is rejected as in previous studies. This result implies that heterogeneity and lack of transaction information may not be the direct source of market inefficiency. Meanwhile, it is found that there are stable long-term relations among prices of different sub-markets. Interestingly, the price of one-bedroom co-operatives (co-op) is weakly exogenous. This implies that the starting co-op for most home buyers in urban areas is a leading indicator of the entire market, which contradicts the claim that high-end luxury co-op leads the market.     

节能型围护结构的设计与应用

节约能源是我国的基本国策,建筑节能则是国家节能工作的重中之重。文章论述了建筑节能的原理,从节能角度分析了建筑设计须重视的若干问题,并重点分析了屋面与墙体等外围护结构中主要的节能技术应用。     

Malnutrition and Child Labor

In pre‐industrial and developing economies, it is common to find (i) entire families, including children, working together in family farms or urban factories; and (ii) a positive link between a person's consumption and her productivity. This paper argues that there is a natural reason for the concurrence of (i) and (ii). As a rule, households are characterized by intra‐household altruism: an increase in the income of an individual increases the consumption of all household members. Hence, when an employer pays an adult worker a high wage to enhance her productivity, part of it ends up augmenting her children's consumption and productivity. One way for the employer to prevent this leakage and internalize the externality is to employ the children as well. This explains the higher incidence of family labor in poor societies where (ii) is more likely to be true.