Caste,Kinship, and Life Course: Rethinking Women's Work and Agency in Rural South India

This paper reexamines the linkages between women's work, agency, and well-being based on a household survey and in-depth interviews conducted in rural Tamil Nadu in 2009 and questions the prioritization of workforce participation as a path to gender equality. It emphasizes the need to unpack the nature of work performed by and available to women and its social valuation, as well as women's agency, particularly its implications for decision making around financial and nonfinancial household resources in contexts of socioeconomic change. The effects of work participation on agency are mediated by factors like age and stage in the life cycle, reproductive success, and social location – especially of caste – from which women enter the workforce.     

Some generalized distributions based on Stacy's generalized gamma distribution

Abstract

The generalized gamma distribution having the density function was introduced by Stacy (1962), who studied some of its properties. As observed by Stacy, many standard distributions are special cases of (1). For example d=p=1 gives the exponential, p=1 gives the gamma p=1 and d=n/2 (n is a positive integer) gives the chi-squared, and d=p gives the Weibull distribution. Furthermore, certain functions of a normal variable— viz., its positive even powers, its modulus, and all positive powers of its modulus, have Stacy's gamma form.     

Deterministic and stochastic trends in the time series models: a guide for the applied economist

Applied economists working with time series data face a dilemma in selecting between models with deterministic and stochastic trends. While models with deterministic trends are widely used, models with stochastic trends are not so well known. In an influential paper Harvey (1997 Harvey, AC. 1997. Trends, cycles and autoregression. Economic Journal, 107: 192–201. [Crossref] , [Google Scholar]) strongly advocates a structural time series approach with stochastic trends in place of the widely used autoregressive models based on unit root tests and cointegration techniques. Therefore, it is important to understand their relative merits. This article suggests that both methodologies are useful and they may perform differently in different models. This article provides a few guidelines to the applied economists to understand these alternative methods.     

Estimating short and long-run relationships: a guide for the applied economist

Many applied economists face problems in selecting an appropriate technique to estimate short and long-run relationships with the time series methods. This article reviews three alternative approaches viz., general to specific, vector autoregressions and the vector error correction models. As in other methodological controversies, definite answers are difficult. It is suggested that if these techniques are seen as tools to summarize data, as in Smith (2000 Smith, RP. 2000. “Unit Roots and all that: the impact of time-series methods on macroeconomics”. In Macroeconomics and the Real World, Edited by: Backhouse, RE. and Salanti, A. 199–215. Oxford: Oxford University Press.  [Google Scholar]), often there maybe only minor differences in their estimates. Therefore a computationally attractive technique is likely to be popular.     

Electronic Marketplace: A Distinct Platform for Business-to-Business (B-to-B) Procurement

Purpose: The purpose of this study is to examine whether buyers perceive different electronic marketplaces (EMs) as distinct types of procurement platforms. More specifically, it empirically investigates to what extent professional buyers expect different benefits from different EM types and perceive different barriers associated with their usage.

Methodology: A Web-based survey of purchasing professionals in the United States was conducted with 359 responses received. A multivariate analysis of variance (MANOVA) was performed to determine if there are significant differences between EM types with respect to expected benefits (market aggregation and inter-firm collaboration) and perceived barriers (financial risks and trust barriers).

Findings: The results show buyers' expectations of benefits differ significantly between public EMs (i.e., third-party exchanges and industry-sponsored marketplaces) and private EMs (i.e., private trading networks), and between neutral EMs (i.e., third-party exchanges) and biased EMs (i.e., private trading networks and industry-sponsored marketplaces). Likewise, their perception of barriers differs significantly between public and private EMs.

Research limitations/implications: The research confirmed empirically that EMs are a distinct platform for business-to-business procurement. Nevertheless, by examining EMs from business buyers' perspective, this study necessarily limits itself to purchasing-related issues.

Practical implications: By providing insights into buyers' perceptions, our findings can help managers focus their promotional efforts aimed at potential firms that would like to use EM for procurement by emphasizing specific benefits or addressing specific perceived barriers based on the type of EM they manage.

Originality/value: This study fills a void in academic literature on EMs that currently contains few empirical studies with respect to EM types. Its main contribution is in establishing empirically that EMs do not constitute a single, homogeneous marketspace but are instead comprised of distinct types that offer users specific benefits and expose them to certain risks.     

Competition In Mediation Services: Modeling the Role of Expertise,Satisfaction, and Switching Costs

This article analyzes competition among mediation service providers that match clients and vendors in a horizontally differentiated market. This is an issue that is important for decision support of mediators in determining pricing and service strategies. We present a simulation model to simultaneously represent search as well as the behaviors of clients, vendors, and multiple competing mediators. Among our findings: intermediaries find it optimal to offer registration fee incentives and derive revenues from transaction fees from successful matches; as switching costs increase, incumbent utilities increase and entrant utilities decrease; expertise, modeled as the ability of mediators to assess vendor attributes accurately, is a powerful competitive weapon for entrants to erode the incumbent intermediary's first mover advantage. On the other hand, client satisfaction is an instrument for an incumbent intermediary to deter entrance by competitors.     

Sarbanes-Oxley Act and corporate credit spreads

Stock market reaction suggests that despite improved disclosure and increased accountability, Sarbanes-Oxley Act (SOX) is too costly and not beneficial. Noting that bondholders are likely to reap the many potential benefits of SOX without bearing the brunt of costs, we examine how SOX affected corporate credit spreads to better assess its benefits. SOX has led to a significant structural decline in spreads of at least 27 basis points. Riskier firms (low rating, long maturity, high leverage, and small size) and firms closely related to SOX major provisions (earning variability, managerial trading, and corporate governance) experience greater declines in spreads.     

The customer consequences of returns in online retailing: An empirical analysis

Pressure continues to build on the operations management function to facilitate system and firm level benefits. In the online marketplace, one area of growing interest is that of product returns. Though commonly viewed as a cost center from an operations perspective, operations’ actions have the potential to strongly influence future customer buying behavior in several ways. Using an archival database of actual purchase and returns history provided by a moderately sized online retailer, this study examines the relationship between a customer's experience of product returns, and subsequent shopping behavior. Employing transaction cost, consumer risk, and procedural justice theories, we demonstrate that the returns management process, rather than being regarded as an afterthought to the production and deployment of goods, can significantly and positively influence repurchase behavior. Additionally, we provide evidence that certain customers should be considered for prioritization in the returns process. We suggest ways through which operations managers can take care in discharging their responsibilities in this area – to make returns processing more than simply a “necessary cost of doing business” rather, using it to their advantage in engendering repeat and increased purchase behavior.     

合川双槐电厂脱硫装置改造研究

重庆合川发电有限公司双槐电厂2×300 MW机组脱硫装置由于其投产后煤质发生了较大变化,造成烟气中SO2含量和排放量成倍的增加.为了保证其环保达标排放,对合川电厂脱硫装置进行了技术改造,利用倒装法增加了吸收塔高度,增加了1层喷淋层,保证了装置在改造后实现吸收塔出口SO2浓度低于400 mg/Nm3.     

“营改增”对地方财政收支负面影响思考

营业税改征增值税的税制改革一直是中国近年来财税体制改革领域的热点问题,其涉及改革范围、政府间财政关系的调整等诸多方面,堪称中国“十二五”时期财税体制改革的“牛鼻子”。文章以上海市为例就“营改增”税制改革从系统循环角度出发,分析此次改革对上海市地方财政收入规模结构的影响,从而对其地方财政支出规模结构的影响,最终影响到其地方经济的发展,并在这个基础上又对其地方财政收入开始新的一轮的循环影响。由于“营改增”税制改革现已在全国范围内开展,为顺利推进此次改革．保持其地方政府财力不变．文章也提出了一些改革的相应配套措施．