论东亚地区社会信任与经济增长的正相关效应

越来越多的研究表明社会信任是解释经济增长的一个重要变量。不过一般认为华人社会是一个低信任度的社会。但WSV的调查数据证明不仅华人社会，而且整个东亚地区中那些在近40年经历了快速增长的经济体中都有非常高的信任度，这种信任也是这一地区经济增长的源泉。     

Trust and development

In this paper we examine linkages between social trust and economic development using, for the first time, a panel of data. We confirm earlier cross-sectional studies finding that trust is a significant factor in development and also show for the first time that trust significantly interacts with both investment in physical and human capital. We provide a robustness analysis of our results via a set of jackknife experiments on our main equations, and the trust coefficients and interactions are very tightly distributed, indicating that the results are not highly sample dependent. We also consider whether trust directly influences investment and find that in a panel framework it does not unless we allow for a trust–education interaction in the investment equation.     

社会资本外部性的经济分析——以信任关系为例

以往理论研究与经验研究均指出社会资本具有正面的效应,但对这种效应是怎样取得的并无共识.我们尝试建立一个不完全信息动态博弈模型,说明社会资本-信任如何产生正的外部性,亦即产生超出个体理性计算之外的利益.我们的分析得出这样的结论,在一个多人互动的环境中,能否达到彼此合作或彼此信任,虽然会受到欺骗者所遭到的惩罚与欺骗利益多少的影响,但主要受到所处环境中具有社会资本者人数比例的影响.因此,可以说社会资本具有正的网络外部性,信任者人数越多,信任者所享受到的利益越大.     

The role of human and social capital in growth: extending our understanding

Human capital, institutions and social capital are now all recognisedas significant factors of growth. They have largely been studiedseparately, and although they present sufficient common characteristicsto be conceptualised as one main category distinct from physicalcapital, it may still be more important to focus on the linksbetween their specific sub-categories. Direct links with incomemay be spurious, as there appears to be a ‘web of associations’between the sub-categories, which would benefit from furtherempirical investigation. This paper reviews the literature onhuman capital, institutions and social capital, extracting threesub-categories of human capital (human skills capital, stock-of-knowledgeand entrepreneurship) and two of social capital (low- and high-rationalisation).Specific areas are then suggested for further empirical study.     

社会互动、信任与股市参与

什么影响了居民的股市参与?采用2004年广东省居民调查数据,本文发现,社会互动和信任都推动了居民参与股市。股市低迷造成的普遍性股票投资损失会降低社会互动的积极作用,而社会互动对低学历居民参与股市的正面影响更为明显。此外,高收入、高学历、高年龄的居民股市参与也更积极。我们的研究为资本市场的发展架设了一个新的社会结构和社会特征的政策视角:加强社会互动、提高诚信水平,这些都是推动公众参与股市所不可忽略和或缺的。     

Induced heterogeneity in trust experiments

Several non-experimental studies claim that heterogeneity among individuals reduces trust. A few experimental studies have examined the effects of naturally-occurring differences among subjects on trusting behavior, and in contrast, most have not supported these claims. We adopt a novel approach by inducing heterogeneity among subjects in a canonical trust experiment. We accomplish this by varying the show-up payments given to subjects for participating in the experiment. We find that this induced inequality does not consistently affect first- or second-mover behavior in the classic trust game in the manner predicted by either previous theoretical work or empirical studies of survey-based measures of trust. Further, the effect of inequality on trust, in terms of both sign and significance, depends on whether show-up payments are awarded publicly or privately. JEL Classification C9, Z13     

社会信用文化、金融体系结构与金融业组织形式

本文以银行业绩效为依托,纳入社会信用文化这一新的影响因子,试图在一个更广阔的层面上综合考察决定金融业绩效的各种因素,并尝试在这一过程中探求社会信用文化、金融体系结构和金融业组织形式及其绩效表现之间的内在联系机制。实证结果表明,社会信用文化对金融体系的效率和金融体系结构的选择具有重要影响,而法律传统、政府治理及管理能力也在金融体系结构和金融业组织形式的选择上起着重要作用,并最终影响到金融业运行效率。     

Trust, reputation and relationships in grazing rights markets: An experimental economic study

Trust is frequently a requirement for economic exchanges and the management of natural resources. Providing public information on past actions can promote trust through the formation of reputations. We developed an economic experiment to test whether a formal reputation mechanism could facilitate trusting relationships in the tradable grazing rights markets. Providing information to create formal public reputations for market participants did not increase the overall efficiency of the market. However, it did result in greater equality of income between partners, suggesting that participants showed more concern for their partners when they knew they would be rated. Even with public reputation information, bilateral relationships remained central to the market. Market failures in existing grazing rights markets may be better addressed by measures to increase communication between partners rather than simply relying on a formal reputation mechanism.     

Inequity aversion and trustees' reciprocity in the trust game

The introduction of inequity concerns into the Trust Game gives rise to complementary concepts of conditional trustworthiness and unconditional untrustworthiness. When the inequity concern is not accounted for, unconditional untrustworthiness is overestimated. The high proportion of trustees adopting the equal division behavioural norm suggests that an unequal distribution of show-up fees may deter trustors from placing trust, and may eventually reduce the incentive to cooperate for both players. It also follows that increases in income inequality can explain declines in self-reported trust in high-income countries.     

Human capital accumulation and output growth in a stochastic environment

We study the relationship between growth and volatility in a simple analytical model, where human capital accumulation depends on both deliberate and non-deliberate learning, and where stochastic fluctuations arise from both preference and technology shocks. We derive a number of new results which challenge some of the results in the existing literature. First, we show that the optimal allocations of time to working and learning are both pro-cyclical. Second, we identify a preference parameter (other than the coefficient of relative risk aversion) that is potentially crucial for governing the effect of volatility on growth. Third, we demonstrate how this effect can be either positive or negative under each type of learning, the relative importance of which is irrelevant to the outcome. Fourth, we reveal how the effect may also be different for the two types of shock. Our results may be seen as providing further explanation for the lack of robust evidence on the issue.      

Trust and reciprocity in inter-individual versus inter-group interactions: The effects of social influence, group dynamics, and perspective biases

Using an experimental trust game, I examine whether the perspectives and behavior of group representatives and consensus groups differ from those of the same individuals in an analogous inter-individual situation. A primary goal of this research is to extend past work on trust and reciprocity by examining the impact of the social contexts within which social interactions are characteristically embedded. Specifically, this research concerns whether norms and dynamics of trust and reciprocity differ in the contexts of inter-individual and inter-group interactions. First, I examine whether dynamics of trust and reciprocity differ in various inter-group interactions where inter-group decisions are operationalized as 1) autonomous group representatives, i.e., individuals who are given the responsibility of unilaterally making a decision on behalf of a three-person group engaging with a group representative of another such group; and 2) consensus groups, i.e., group members making a consensus trust or reciprocity decision for their groups via a collective process with another such group. Results of these studies show that 1) people trust less and reciprocate less when responsible for a group or organizational decision as autonomous group representatives; 2) consensus groups do not differ from individuals in their level of trust but show dramatically less reciprocity. The group consensus mechanism in fact produced by far the lowest reciprocity level, significantly lower than that exhibited by either individuals or autonomous group representatives. Thus, inter-group trust and reciprocity dynamics are not readily inferable from their inter-individual counterparts. Moreover, an important implication is emerging here: the extent and direction of the discrepancy between individual and group choices in regard to trust and reciprocity levels and possibly other social preferences in general may depend importantly on the precise details of the group decision-making mechanism, for example whether decisions are made consensually, by majority vote, or by a group leader or representative. In addition to examining the level of trust and reciprocity that occur in these various situations, I also studied, using both behavioral and questionnaire data, the roles of self-interest, social influence, and group dynamics in trust and reciprocity perceptions and behavior. The results showed that there exist discrepancies between behavioral forecasts and the actual behavior, and that trusting behavior is driven strongly by expectation of level of reciprocation, while reciprocating behavior is driven strongly by the difference between trust expectation and actual trust received.     

Demographic structure and growth: The effect of unfunded social security

This paper examines how demographics affect economic growth in an OLG model with unfunded social security. We derive two interesting results. First, the relationship between population growth and per capita output growth is hump shaped. Second, the relationship between life expectancy and per capita output growth is also hump shaped.     

信任及其解释:来自中国的跨省调查分析

“信任”被普遍认为是除物质资本和人力资本之外决定一个国家经济增长和社会进步的主要社会资本。华人社会在许多跨文化研究中被认为是低信任度的社会 ,而在国内 ,许多学者已用“信任危机”概括人与人关系的现状。本文试图通过中国跨省的信任调查数据 ,揭示信任对一个地区的经济绩效 ,例如企业规模、企业发展速度、引进外资等的影响 ,进一步分析影响信任的因素。我们的发现表明 ,一个地区能否被人们所信任与地域文化并不紧密相关 ,更重要的是跟人们之间的交易被重复的可能性、交易的发达程度、教育水平等因素有关。这些证据支持了经济学理论中关于重复博弈导致信任的基本假说。     

It's all the miners' fault: On the nonlinearity in U.S. unemployment rates

The U.S. unemployment rate is generally regarded as nonlinear. In this study, we show that if there had been no miners' general strike in October of 1949, and if the aggregate unemployment rate had been 0.3% lower during that month, the 1948–2002 U.S. unemployment rate would have been linear. Hence, just a single alteration of past events would have resulted in significantly different findings regarding the linearity in the U.S. unemployment rate. This finding illustrates a need for linearity tests to be developed that are robust against the effects of outliers.     

Fluctuations in convex models of endogenous growth, I: Growth effects

Is there a trade-off between fluctuations and growth? The empirical evidence is mixed, with some studies finding a positive relationship, while others find a negative one. Our objectives are to understand how fundamental uncertainty affects the long run growth rate and to identify important factors determining this relationship in a convex endogenous growth model. Qualitatively, we show that the relationship between volatility in fundamentals (or policies) and mean growth can be either positive or negative. The curvature of the utility function is a key parameter that determines the sign of the relationship. Quantitatively, an increase in uncertainty always increases the growth rate in our calibrated models. Though the changes we find are nontrivial, they are not large enough by themselves to account for the large differences in growth rates observed in the data. We also find that differences in the curvature of preferences have very substantial effects on the estimated variability of stationary objects like the consumption–output ratio and hours worked. For this reason, we expect that the models considered in this paper will provide the basis of sharp estimates of the curvature parameter.     

组织中角色与信任的关系研究

组织成员的角色定位产生了组织信任的三种适应机制:信任适势机制、信任适理机制和信任适意机制.这三种机制降低了组织的运行成本,有利于组织获得合法性,提高了组织对自身和外界的调控程度.因此,组织在实现其效用最大化的理性目标上具有软性优势.     

Human capital composition, growth and development: an R&D growth model versus data

The effect of human capital composition on growth and development has been somewhat neglected in economic literature. However, evidence has suggested the importance of engineering and technical (high-tech) skills to economic growth, and international organizations have suggested their shortage in developed countries. Using a standard increasing variety growth model, we propose various measures of human capital composition that are related with economic growth and development. When compared to data, the model does well in explaining the rate of growth and the level of development as a function of these measures. “the British colonies had a better educated population (...). Education was secular with emphasis on pragmatic skills and yankee ingenuity (...). The 13 British colonies had nine universities in 1776 for 2.5 million people. New Spain, with 5 million, had only two universities (...) which concentrated on theology and law.” –(Maddison, 2001)