Aristotle’s Natural Wealth: The Role of Limitation in Thwarting Misordered Concupiscence

I argue that Aristotle’s approach to the proper type of acquisition, use-value, want, and accumulation/storage of wealth is oriented less to excluding commercial activity, such as that of Aristotle's Athens, than to forestalling misordered concupiscence – the taking of an inherently limited good for the unlimited, or highest, good. That is, his moral aversion to taking a means for an end lies behind his rendering of the sort of wealth that is natural. By stressing the limited nature of natural wealth, Aristotle distinguishes such wealth qua limited from an artificial unlimited desire for profit in order to drive home his point that wealth ought not be taken as an objective good (i.e., good in itself).     

RISK-AVERSION BEHAVIOR IN CONSUMPTION/INVESTMENT PROBLEMS1

In this paper, we study the risk-aversion behavior of an agent in the dynamic framework of consumption/investment decision making that allows the possibility of bankruptcy. Agent's consumption utility is assumed to be represented by a strictly increasing, strictly concave, continuously differentiable function in the general case and by a HARA-type function in the special case treated in the paper. Coefficients of absolute and relative risk aversion are defined to be the well-known curvature measures associated with the derived utility of wealth obtained as the value function of the agent's optimization problem. Through an analysis of these coefficients, we show how the change in agent's risk aversion as his wealth changes depends on his consumption utility and the other problem parameters, including the payment at bankruptcy. Moreover, in the HARA case, we can conclude that the agent's relative risk aversion is nondecreasing with wealth, while his absolute risk aversion is decreasing with wealth only if he is sufficiently wealthy. At lower wealth levels, however, the agent's absolute risk aversion may increase with wealth in some cases.     

A Life-Course Approach to Measuring Household Wealth

This paper illustrates how to measure per-period wealth and compares per-period wealth to more traditional measures, such as current net worth (current assets minus current liabilities). Per-period wealth differs from net worth in two major ways. First, per-period wealth adds future entitlements that are contingent upon survival, such as the present value of defined benefit pension and Social Security entitlements. Second, the wealth measure used here is measured as a flow instead of a stock. It is the amount of income that the present value of assets, liabilities, and contingent claims would earn each year in order to draw this present value down to exactly zero at the end of an individual's life. Three alternative strategies for calculating per-period wealth are illustrated in detail. Using the 1992 Survey of Consumer Finances, the U.S. distribution of per-period wealth is estimated using all three models and is contrasted against the distribution of conventional net worth. Furthermore, the sensitivity of the estimates with respect to the parameters of the model is discussed. The results suggest that the distribution of per-period wealth is less evenly distributed than the distribution of net worth.     

Entrepreneurship and Risk Aversion

Evans and Jovanovic (1989, Journal of Political Economy 97(4), 808–827) find that wealth is an important determinant of business startups due to liquidity constraints. However, Cressy (2000, Economic Letters 66, 235–240) argues that if risk aversion is a negative function of wealth, Evans and Jovanovic’s empirical results could be spurious and the positive effect of wealth could be due to the omission of risk aversion in the regression equation. In other words, according to Cressy, one’s wealth does not have any effect on business startups once the degree of risk aversion is accounted for. This paper attempts to investigate the validity of Cressy’s conjecture. We empirically examine the effect of wealth on the transition into self-employment, while allowing for the effect of risk aversion. Our empirical findings show that Evans and Jovanovic’s (1989) results are robust, i.e., wealth has a positive effect on business startups even allowing for the confounding effects of risk aversion.     

The Impact of the Housing Market Boom and Bust on Consumption Spending

While econometric evidence for the United States has consistently shown that increases in real estate wealth induce additional consumption, it does not directly speak to the effect of a substantial decrease in real estate wealth. This paper examines the real-estate wealth-consumption relationship over the past half century with a particular focus on the sharp decline in 2006–08, and finds that the wealth effect in the recent down market is significantly larger than in an up market. Additionally, wealth changes seem only to affect consumption of services and nondurable goods; there is virtually no impact on durable-goods consumption.     

MULTIPLICATIVE APPROXIMATION OF WEALTH PROCESSES INVOLVING NO‐SHORT‐SALES STRATEGIES VIA SIMPLE TRADING

A financial market model with general semimartingale asset–price processes and where agents can only trade using no‐short‐sales strategies is considered. We show that wealth processes using continuous trading can be approximated very closely by wealth processes using simple combinations of buy‐and‐hold trading. This approximation is based on controlling the proportions of wealth invested in the assets. As an application, the utility maximization problem is considered and it is shown that optimal expected utilities and wealth processes resulting from continuous trading can be approximated arbitrarily well by the use of simple combinations of buy‐and‐hold strategies.     

Does money matter?: Wealth attainment as the motive for initiating growth-oriented technology ventures

The desire to attain personal wealth has long been regarded as the foremost motive for entrepreneurship. Other goals and values, however, may also contribute to entrepreneurial motivation. Thus, the extent to which money matters relative to other motives is an empirical question. In this study we examine the role of wealth as the motive for the decision to found new ventures. Three focal questions guide our research: 1) does money matter more relative to other decision dimensions in deciding to start a new high-technology venture? 2) does money matter more to entrepreneurs compared to non-entrepreneurs? and 3) does money matter in absolute terms, that is, does a decision model that focuses solely on the motive of wealth attainment parsimoniously predict entrepreneurs' start-up decisions?We conducted in-depth interviews with 51 entrepreneurs and a control group of 28 senior managers who decided not to start ventures (non-entrepreneurs) in the high-technology industry in British Columbia to address our research questions. The motives we examined are wealth attainment and an aggregate of other dimensions identified by entrepreneurs and managers. We considered three components of values: participants' ratings of the importance of various decision dimensions, their rating of the salience of these dimensions, and their satisfaction with prior levels of attainment on those decision dimensions. We assessed beliefs as participants' perceived probability of attaining their desired level of a particular decision dimension in each of three alternatives: the position held at the time the venture decision was made, the venture itself, and the next best career alternative at that time. The data were analyzed to compare entrepreneurs' values and beliefs regarding wealth with an aggregate of other decision dimensions (our relative hypotheses), and with those of non-entrepreneurs (our comparative hypotheses).Our findings do not support the common perception that money is the only, or even the most important, motive for entrepreneurs' decisions to start new ventures. Wealth attainment was significantly less important to entrepreneurs relative to an aggregate of 10 other decision dimensions, and entrepreneurs did not rate wealth as any more important than did non-entrepreneurs. Non-entrepreneurs rated wealth as no more important than other motives. Wealth attainment was also significantly less salient to entrepreneurs' decisions to venture than were other motives. Non-entrepreneurs reported that wealth was significantly more salient to their decision against founding a venture than other dimensions. In fact, non-entrepreneurs rated wealth attainment as significantly more salient to their decision against founding than entrepreneurs rated it for their decision to proceed with starting a high-technology business. A significant number of entrepreneurs started businesses even when they believed that doing so offered them a lower probability of obtaining their most desired level of wealth than did one of their other alternatives.Satisfaction ratings and stated beliefs also dispute classical predictions. Just prior to making the decision to venture, the entrepreneurs in our study were as satisfied with wealth as they were with other decision dimensions. The non-entrepreneurs were actually more satisfied with wealth attainment than with other dimensions. A comparison of the groups revealed no difference in satisfaction with wealth attainment levels. Entrepreneurs did believe that their chances of attaining their desired level of wealth were much greater through founding a new high-technology venture than through their other alternatives. This difference in beliefs, however, was not significantly greater than their optimistic beliefs about chances of attaining desired levels of other dimensions. It was significantly higher compared to the non-entrepreneurs' belief difference measures for wealth. In fact, the entrepreneurs' stated beliefs regarding the chances of attaining their desired levels of all dimensions were higher than those of the non-entrepreneurs, suggesting that entrepreneurs were simply more optimistic at the time of their decision than non-entrepreneurs.Salience findings suggest that these optimistic beliefs about wealth did not motivate the founding decision alone.We can distinguish those people who successfully started ventures by their regard for wealth as a less salient factor, and their beliefs in higher chances of a venture producing monetary and other returns. Other motives, such as innovation, vision, independence, and challenge were more important and much more salient to this sample of entrepreneurs.Our findings have implications for practice, teaching, and research. Venture capitalists who partially base their assessment of entrepreneurs on the extent to which they are motivated to make a great deal of money may benefit from reconsideration of this criterion. We have evidence of one group of high-technology entrepreneurs who achieved success without placing much decision weight on attainment of personal wealth. Nascent entrepreneurs and those who teach entrepreneurship can use this empirical finding to argue two main points: 1) not all entrepreneurs found a business for personal wealth reasons, and 2) one need not be motivated by personal wealth attainment to be a successful entrepreneur. Similarly, theoretical models that assume money is the primary motive for entrepreneurial activity require re-examination. Future research in entrepreneurship should focus less on wealth attainment and more on other motives for the venturing decision. A multiple-attribute decision model may be able to more fully explain venturing decisions.     

Housing wealth effect in emerging economies

In this paper I estimate the impact of changes in real and financial wealth on private consumption for a panel of 17 emerging economies from Asia and Central and Eastern Europe. Households' consumption, income and the two measures of real and financial wealth – proxied by house and stock market prices – are found to be difference-stationary and co-integrated; by means of recent econometric techniques for heterogeneous panels, i.e. the pooled mean group estimator, inference is drawn about the long- and short-run relationships between the variables of interest. The main result of the analysis shows that both real and financial wealth positively affect households' consumption in the long-run, with the elasticity of housing wealth being larger than that of stock market wealth. Moreover, there is also a significant short-run adjustment from income, stock prices and house prices on consumption, i.e. consumption adjusts to its long-run relationship with lags. When the model is run for the two groups of countries separately, the long-run impact of an increase (decrease) in house prices is generally higher in Central and Eastern European economies with respect to Asian ones, which make them more vulnerable to further adverse housing market developments.     

财富观的演进与对外贸易政策的变迁

本文认为,财富观的不同,即人们对财富内涵、财富来源的理解不同,是导致国家对外贸易政策差异的重要原因。财富观的演变是对外贸易政策演进的基本驱动因素。在某种程度上可以说,一国对外贸易政策演变的历史反映了该国主流财富观演进的轨迹。以生产资源配置全球化、消费全球化和经济制度全球趋同为主旋律的经济全球化是世界经济发展的基本趋势。随着现代信息技术、通讯技术、运输技术的发展,经济全球化还将进一步发展,任何拒绝融入全球经济的国家,其国民福利和财富的增长潜力都将受到很大损失。基于此,国际贸易自由化将继续发展,国际贸易政策在重复博弈的过程中将逐步趋同,但在不同产业间,国际贸易政策趋同的程度将有很大差异。     

MEAN–VARIANCE PORTFOLIO OPTIMIZATION WITH STATE‐DEPENDENT RISK AVERSION

The objective of this paper is to study the mean–variance portfolio optimization in continuous time. Since this problem is time inconsistent we attack it by placing the problem within a game theoretic framework and look for subgame perfect Nash equilibrium strategies. This particular problem has already been studied in Basak and Chabakauri where the authors assumed a constant risk aversion parameter. This assumption leads to an equilibrium control where the dollar amount invested in the risky asset is independent of current wealth, and we argue that this result is unrealistic from an economic point of view. In order to have a more realistic model we instead study the case when the risk aversion depends dynamically on current wealth. This is a substantially more complicated problem than the one with constant risk aversion but, using the general theory of time‐inconsistent control developed in Björk and Murgoci, we provide a fairly detailed analysis on the general case. In particular, when the risk aversion is inversely proportional to wealth, we provide an analytical solution where the equilibrium dollar amount invested in the risky asset is proportional to current wealth. The equilibrium for this model thus appears more reasonable than the one for the model with constant risk aversion.     

家庭债务的变动与居民消费的过度敏感性:来自中国的证据

通过引入家庭债务变量对LC-PIH模型进行扩展,并运用动态最小二乘(DOLS)方法、误差修正模型、暂时性—持久性因子分解和脉冲响应进行实证分析,结果表明:家庭债务、收入和财富的持久性变动对消费存在显著的促进效应,收入的持久性变动影响最大,其后依次为财富和家庭债务;不同于传统分析框架的结论,不但财富的持久性变动会影响消费,其暂时性变动也会影响消费,但收入的暂时性变动对消费的影响并不显著;在家庭债务和财富的持久性和暂时性变动共同作用下,消费变动更为剧烈。因此,政策当局一方面要稳步提升居民预期收入水平,完善消费信贷的相关政策,以推动消费的稳步增长;另一方面还应密切关注家庭负债水平,以防范家庭过度负债而可能引发的债务收缩,导致消费的大幅下滑。     

HEDGING AND PORTFOLIO OPTIMIZATION UNDER TRANSACTION COSTS: A MARTINGALE APPROACH12

We derive a formula for the minimal initial wealth needed to hedge an arbitrary contingent claim in a continuous-time model with proportional transaction costs; the expression obtained can be interpreted as the supremum of expected discounted values of the claim, over all (pairs of) probability measures under which the “wealth process” is a supermartingale. Next, we prove the existence of an optimal solution to the portfolio optimization problem of maximizing utility from terminal wealth in the same model, we also characterize this solution via a transformation to a hedging problem: the optimal portfolio is the one that hedges the inverse of marginal utility evaluated at the shadow state-price density solving the corresponding dual problem, if such exists. We can then use the optimal shadow state-price density for pricing contingent claims in this market. the mathematical tools are those of continuous-time martingales, convex analysis, functional analysis, and duality theory.     

The Financial Crisis from the Family's Perspective: Evidence from the 2007–2009 SCF Panel*

This paper examines changes in families' finances as captured in the 2007–2009 Survey of Consumer Finances panel. The broad contours of changes in families' assets, debts, and wealth align with changes in the corresponding aggregate measures, but the microdata from the panel highlight substantial variation in families' experiences between 2007 and 2009. Although more than 60% of families saw their wealth decline over the two‐year period, a sizable fraction experienced gains in wealth, while some families' financial situations saw little change on net. The shifts in wealth do not appear to be correlated in a simple way with families' characteristics. Instead, the patterns of mixed losses, gains, and modest shifts in wealth generally hold within groups defined by demographic characteristics or by 2007 wealth or income. On the whole, changes in wealth appear to stem from changes in asset values rather than from changes in portfolio composition or debt levels.     

我国上市公司并购财富效应的行业特征研究与实证分析

并购的财富效应存在明显的行业差异,主要体现在行业的发展阶段、发展战略和发展能力这三类行业特征上。通过产业经济学中结构—行为—绩效范式建立理论框架,利用中国1998—2008年沪深两市6962起并购事件进行实证。研究结果表明:行业的财富效应与发展阶段正相关,与发展能力也正相关,并且行业发展阶段和发展能力对股东并购超额收益率的贡献分别为7‰和0.2‰;但是行业集中度并不是显著影响并购财富效应的行业特征。     

A Behavioral Life-Cycle Approach to Understanding the Wealth Effect

The somewhat surprising strength in consumer spending in recent years has focused renewed attention on the much-debated wealth effect, the notion that when individuals feel wealthier, they consume more. This study utilizes survey data to examine the wealth effect within the context of the behavioral life-cycle model of savings. The results indicate that the likelihood of households spending more when their assets increase in value decreases with the portion of assets held in home equity. This unexpected finding is due to homeowners responding to the perceived wealth gain from increased home values by cashing out their equity. The likelihood increases with the portion of assets held in stock outside of retirement accounts, but is not significantly related to the portion of assets held in stock overall. Moreover, households that have a full-time income earner, are homeowners, have more education, have a younger household head, or expect economic growth, are more likely to report a wealth effect. Households that utilize savings “rules of thumb” are less likely to report a wealth effect. These results can be used to improve the wealth effect specification in consumer demand models and assist firms to target consumer markets.     

The Intergenerational Propagation of Wealth Inequality

This paper highlights the crucial role of demographic assumptions in models of the intergenerational transmission of wealth inequality. Specifically, we show that Alan Blinder's surprising predictions that bequest and mating practices can sustain but cannot cause wealth inequality are extremely fragile. We show that these predictions depend on a common and apparently minor demographic assumption: fixed sex ratios in family composition. We implement the Blinder model as an agent‐based simulation and show that without this demographic assumption such familial institutions are causative for wealth inequality, even in the long run.     

Does Student Loan Debt Contribute to Racial Wealth Gaps? A Decomposition Analysis

There is evidence of a large and growing student debt burden over the last decade. Previous research has shown that the presence of student debt jeopardized the short‐term financial wealth of U.S. households during the Great Recession. We examine the effects of student loan use on the wealth of U.S. households post‐recession, using recent data from the 2013 and 2016 Survey of Consumer Finances. We find that mean 2016 wealth for households with no outstanding student debt is more than four times higher than households with student debt. We find that living in a household at the 15th, 30th, 50th, 70th, and 85th percentile of the wealth distribution with student debt is associated with an 80%, 49%, 37%, 35%, and 36% wealth loss compared with a similar household with no student debt. Our decomposition results suggest that student loan use can explain between 3% and 7% of the Black‐White wealth gap across the wealth distribution but is insignificant in explaining the Hispanic‐White wealth gap.     

Intellectual Property and Unfair Trade: Market Response to ITC Actions

Firm-specific wealth effects associated with US International Trade Commission Section 337 investigations of intellectual property right infringements are estimated. A major finding is that the 337 protection is valuable to complainant firms, but the timing of wealth effects suggests differing motivations for firms which pursue this remedy. Other findings are that firms involved in concurrent District Court litigation and firms with greater number of respondents are less likely to settle their case prior to an ITC determination. Recent statutory changes in Section 337 also appear to have increased complainant firms' incentives to settle.     

Schooling,numeracy, and wealth accumulation: A study involving an agrarian population

Accumulating wealth is one of the main concerns for consumers. Higher education is widely associated with higher wealth, but the underlying reasons for this association remain unclear. Using data from a field study conducted with 218 adults in agrarian communities in Peru's Andean highlands, we explored the extent to which education, non-numeric fluid intelligence, crystallized intelligence, and numeracy skills were related to wealth. Wealth was measured using data on asset ownership (e.g., owning a fridge) and housing characteristics (e.g., toilet facilities). Structural equation modeling revealed that the level of schooling was associated with greater numeracy as well as greater non-numeric fluid and crystallized intelligence; only greater numeracy was associated with greater wealth. Our findings are consistent with the idea that education is linked with financial outcomes, at least in part, through the enhancement of cognitive skills, particularly numeracy that then leads to greater wealth accumulation.     

Income shares,secular stagnation and the long-run distribution of wealth

Four alarming stylized facts have recently emerged in the United States: (a) a decline in the labor share of income; (b) a decline in labor productivity; (c) an increase in the top 1% wealth share and (d) an increase in the capital-income ratio. In Capital in the XXI Century, Thomas Piketty's argument is that the r > g inequality determines an increase in the capital-income ratio; if the elasticity of substitution in production is above one, the profit share rises. We provide a contrasting explanation that draws from the Post Keynesian approach to differential saving propensities between classes and the Classical-Marxian theory of induced technical change. In a simple model of “capitalists” and “workers,” we show that institutional changes that lower the labor share—declining unionization, increasing monopsony power in the labor market, the global ‘race to the bottom' in unit labor costs or the exhaustion of path-breaking scientific discoveries—can reduce labor productivity growth because of the lessened incentives to innovate to save on labor costs. A falling labor share reduces workers' total savings, and wealth concentrates in the capitalists' hands. A higher profit share and wealth share both put pressure on accumulation: but the long-run growth rate, which is anchored to labor productivity growth, has fallen. To restore balanced growth, the capital-income ratio must rise, independent of the elasticity of substitution. These tendencies are not inevitable: taxation can be used to implement any wealth distribution targeted by policymakers, while worker-crushing institutional arrangements can also in principle be reversed through policy. Neither change appears likely given the current institutional and global policy climate.