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Optimal Durability vs. Planned Obsolescence in the Textbook Market 教科书市场的最佳耐用性与计划报废
Pub Date : 2014-11-14 DOI: 10.2139/ssrn.2630503
J. Peterson
We revisit the idea that textbook publishers revise frequently in order to "kill off" the market for used books. While a popular idea, conflicting durable good models suggest alternatives to planned obsolescence. To address this particular case, we develop a model of the textbook market that generates unique empirical predictions for each of the three most relevant theories to the textbook industry. We then compare these predictions to empirical findings, such as the effect of the stock of used books on prices and revision, as well as the common practices of durability reductions and leasing; to determine which one best describes the market. The theories we model are; optimal durability, quality differences and time inconsistency. Of these models, quality differences, which generates planned obsolescence, best fits the stylized facts.
我们重新审视了教科书出版商频繁修改教科书以“扼杀”旧书市场的观点。虽然这是一个流行的想法,但相互冲突的耐用商品模型建议替代计划淘汰。为了解决这一特殊情况,我们开发了一个教科书市场模型,该模型为教科书行业的三种最相关理论中的每一种都产生了独特的经验预测。然后,我们将这些预测与实证结果进行比较,例如二手书的库存对价格和修订的影响,以及耐用性降低和租赁的常见做法;确定哪一个最能描述市场。我们建立模型的理论是;最佳耐久性,质量差异和时间不一致。在这些模型中,质量差异最符合程式化的事实,它会导致计划淘汰。
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引用次数: 1
Bargaining in Vertical Relationships and Suppliers’ R&D Profitability 垂直关系中的议价与供应商研发盈利能力
Pub Date : 2014-11-01 DOI: 10.2139/ssrn.2523374
Christian Koehler
This paper explores the effect of bargaining in vertical relationships on the profitability of suppliers' R&D investments. Studies on the relationship between R&D and firm profitability mostly concentrate on the impact of horizontal market structure and neglect vertical interac-tions. Building on theoretical and empirical evidence about the effects of bargaining in vertical relationships, the crucial determinants of a supplier's bargaining power are identified as the market position and the degree of concentration in the buyer portfolio. With respect to R&D profitability the latter is expected to diminish returns from R&D, while the former is expected to increase it. The hypotheses are tested using a sample of 472 German manufactur-ing firms. The empirical findings support all hypotheses and highlight the importance of tak-ing a supplier's bargaining power into account when estimating R&D profitability. The esti-mated effects are considerable: for an average R&D performing supplier an increase of R&D intensity in 2010 by a percentage point would reduce profits by about 14 % in 2012 given the supplier depends completely on the largest three buyers and does hold an average market share. Contrastingly, a monopolist R&D performing supplier with average buyer concentra-tion would experience a profit increase by 10 % in 2012.
本文探讨了垂直关系中议价对供应商研发投资盈利能力的影响。关于R&D与企业盈利能力关系的研究大多集中在横向市场结构的影响上,而忽略了纵向的相互作用。基于关于垂直关系中议价效应的理论和经验证据,确定了供应商议价能力的关键决定因素是市场地位和买方投资组合中的集中度。对于研发盈利能力而言,后者预计会减少研发收益,而前者预计会增加研发收益。这些假设是用472家德国制造公司的样本来检验的。实证研究结果支持所有假设,并强调了在估算研发盈利能力时考虑供应商议价能力的重要性。估计的影响是相当可观的:对于研发表现一般的供应商来说,考虑到供应商完全依赖于最大的三个买家,并且占有平均市场份额,2010年研发强度每增加一个百分点,2012年的利润就会减少14%左右。相比之下,具有平均购买者集中度的垄断性研发供应商在2012年的利润将增加10%。
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引用次数: 1
Linking Industry Concentration to Proprietary Costs and Disclosure: Challenges and Opportunities 将行业集中度与专有成本和信息披露联系起来:挑战与机遇
Pub Date : 2014-08-15 DOI: 10.2139/ssrn.2481706
Mark Lang, Edward Sul
Despite a substantial literature linking industry concentration, proprietary costs and disclosure, existing evidence is mixed. We discuss three challenges to the literature: lack of strong theoretical predictions, difficulty in measuring relevant aspects of industry concentration and difficulty in identifying disclosures that are likely to carry significant proprietary costs. We link each of the issues to the findings in Ali et al. (2014) and identify potential opportunities for future research.
尽管大量文献将行业集中度、专有成本和信息披露联系起来,但现有的证据却参差不齐。我们讨论了文献面临的三个挑战:缺乏强有力的理论预测,难以衡量行业集中度的相关方面,以及难以识别可能带来重大专有成本的披露。我们将每个问题与Ali等人(2014)的研究结果联系起来,并确定未来研究的潜在机会。
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引用次数: 97
Job Creation, Firm Creation, and De Novo Entry 创造就业机会、企业创造和重新进入
Pub Date : 2014-08-01 DOI: 10.2139/ssrn.2509285
Karen Geurts, Johannes Van Biesebroeck
Firm turnover and growth recorded in administrative data sets differ from underlying firm dynamics. By tracing the employment history of the workforce of new and disappearing administrative firm identifiers, we can accurately identify de novo entrants and true economic exits, even when firms change identifier, merge, or split-up. For a well-defined group of new firms entering the Belgian economy between 2004 and 2011, we find highly regular post-entry employment dynamics in spite of the volatile macroeconomic environment. Exit rates decrease with age and size. Surviving entrants record high employment growth that is monotonically decreasing with age in every size class. Most remarkably, we find that Gibrat’s law is violated for very young firms. Conditional on age, the relationship between employment growth and current size is strongly and robustly positive. This pattern is obscured, or even reversed, when administrative entrants and exits are taken at face value. De novo entrants’ contribution to job creation is relatively small and not very persistent, in particular for (the large majority of) new firms that enter with fewer than five employees.
行政数据集中记录的企业营业额和增长不同于潜在的企业动态。通过追踪新的和正在消失的行政公司标识的劳动力的就业历史,我们可以准确地识别新进入者和真正的经济退出,即使公司改变标识,合并或分裂。对于2004年至2011年间进入比利时经济的一组定义明确的新公司,我们发现尽管宏观经济环境不稳定,但进入后的就业动态非常规律。退出率随着年龄和体型而下降。幸存下来的新进入者就业率的增长,随着年龄的增长而单调下降。最值得注意的是,我们发现非常年轻的公司违反了直布罗陀定律。在年龄的条件下,就业增长与当前规模之间的关系是强烈而有力的正相关。如果只从表面上看行政人员的进入和退出,这种模式就会变得模糊,甚至颠倒过来。新进入者对创造就业的贡献相对较小,也不是很持久,特别是(绝大多数)员工少于5人的新公司。
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引用次数: 15
Fixed-Mobile Substitution and Termination Rates 固定-流动电话替代率及终止率
Pub Date : 2014-07-23 DOI: 10.2139/ssrn.2470900
Steffen Hoernig, M. Bourreau, C. Cambini
This paper studies the effect of termination rates on the observed substitution between fixed and mobile calls and access, in a model where consumers can subscribe to one or both types of offers. Simulations show that each (fixed or mobile) termination rate has a positive effect on the take-up of the corresponding service, via the waterbed effect, and lowers subscriptions to the other service, via a cost effect. The prevailing asymmetric regulation, with very low fixed and higher mobile termination rates, tends to have implemented the optimal fee structure. However, the interests of the mobile operators and of the different customer groups did not coincide, and this fee structure may have reduced overall market participation. HighlightsWe study the effect of termination rates on fixed-mobile substitution.Consumers substitute between fixed and mobile calls and access.A higher termination rate increase uptake of the respective service.In early market phase, high mobile and low fixed rates seem to have been optimal.But this fee structure leads to lower overall participation.
在消费者可以订阅一种或两种服务的模型中,本文研究了终止率对固定电话和移动电话之间所观察到的替代和接入的影响。模拟表明,每个(固定或移动)终止率通过水床效应对相应服务的使用有积极影响,并通过成本效应降低对其他服务的订阅。现行的非对称监管,即固定终端费率极低而移动终端费率较高,往往实现了最优的收费结构。然而,移动运营商和不同客户群体的利益并不一致,这种费用结构可能会降低整体市场参与度。我们研究了终止率对固定移动替代的影响。消费者在固定电话和移动电话之间切换。较高的终止率会增加相应服务的使用率。在市场初期,高移动费率和低固定费率似乎是最佳选择。但这种收费结构导致整体参与度较低。
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引用次数: 13
Financial Integration and the Transparency of Firms in Emerging Capital Markets 新兴资本市场的金融一体化与企业透明度
Pub Date : 2014-07-01 DOI: 10.2139/ssrn.2168243
Qiyu Zhang, Wendy Beekes, P. Brown
We examine the association between financial integration and capital market transparency of emerging-market firms. We use four intra-year price timeliness measures derived from the Beekes and Brown (2006, 2007) methods as indicators of the firm’s transparency. The sample comprises 57,465 firm-year observations on listed companies in 24 emerging economies over the period 1995-2010. As expected, we find that greater financial integration is associated with greater transparency, and that the effect is more pronounced when the news about the firm is bad. Using structural equation modelling (SEM), we find evidence of a mechanism through which financial integration enhances the information environment: improved corporate governance.
我们研究了新兴市场企业金融一体化与资本市场透明度之间的关系。我们使用从Beekes和Brown(2006年,2007年)方法衍生的四个年内价格及时性度量作为公司透明度的指标。样本包括1995年至2010年期间对24个新兴经济体上市公司的57,465家公司年度观察结果。正如预期的那样,我们发现更大的财务整合与更大的透明度相关,并且当有关公司的消息不好时,这种影响更为明显。利用结构方程模型(SEM),我们发现了财务整合增强信息环境的机制:改善公司治理的证据。
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引用次数: 1
The Disappearing Small IPO and the Lifecycle of the Small Firm 正在消失的小型IPO和小型公司的生命周期
Pub Date : 2014-07-01 DOI: 10.2139/ssrn.2400488
Steven Davidoff Solomon, Paul Rose
We examine firm lifecycles of 3,081 IPOs from 1996-2012. We find that small IPOs have a different lifecycle than other, larger companies. Within five years of an IPO, only 55% of small IPOs remain listed on a public exchange, compared to 61.3% and 67.1% for middle and large capitalized companies, respectively. Small IPOs largely either voluntarily or involuntarily delist while medium and large-sized companies largely exit the markets through takeover transactions. Those small companies that remain listed largely fail to grow, remaining in the small capitalized category. We use our findings to examine various theories explaining the decline of the small IPO. We find only minor evidence that regulatory changes caused the decline of the small IPO. The decline appears instead to be more attributable to the historical unsuitability of small firms for the public markets. Absent economic or market reforms which change small firm quality, further regulatory reforms to enhance the small IPO market are thus likely to be either ineffective or bring firms into the public markets which lack the horsepower to remain publicly listed.
我们研究了1996-2012年间3081家ipo公司的生命周期。我们发现,小型ipo的生命周期与其他大型公司不同。在IPO后的五年内,只有55%的小型IPO继续在公开交易所上市,而中型和大型企业的这一比例分别为61.3%和67.1%。小型ipo大多是自愿或非自愿退市,而大中型企业大多通过收购交易退出市场。那些仍然上市的小公司基本上无法增长,仍然属于小资本类别。我们用我们的研究结果检验了解释小型IPO衰落的各种理论。我们发现只有很少的证据表明监管变化导致了小型IPO的衰落。相反,这种下降似乎更多地是由于历史上小公司不适合公开市场。如果没有改变小企业质量的经济或市场改革,进一步加强小型IPO市场的监管改革可能要么无效,要么使企业进入缺乏动力的公开市场。
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引用次数: 1
Supply Chains and the Internalization of SMEs: Evidence from Italy 供应链与中小企业内部化:来自意大利的证据
Pub Date : 2014-05-01 DOI: 10.2139/ssrn.2441121
G. Giovannetti, E. Marvasi, M. Sanfilippo
This paper explores the impact of being part of a supply chain on the internationalization of firms. We show that even small and less productive firms, if involved in production chains, can take advantage of reduced costs of entry and economies of scale that enhance their probability to become exporters. The empirical analysis is carried out on an original database, obtained by merging and matching balance sheet data with data from a survey on over 25,000 Italian firms, largely SMEs, which include direct information on the involvement in supply chains. We find a positive and significant impact of being part of a supply chain on the probability to export and on the intensive margin of trade. The number of foreign markets served (the extensive margin), on the other hand, does not seem to be affected. We also investigate whether being in different positions along the chain, i.e. upstream or downstream, matters and we find that downstream producers tend to benefit more. Our results are robust to different specifications, estimation methods, and to the inclusion of the control variables typically used in heterogeneous firm models.
本文探讨了成为供应链的一部分对企业国际化的影响。我们的研究表明,即使是小型和生产率较低的企业,如果参与生产链,也可以利用进入成本降低和规模经济的优势,提高它们成为出口商的可能性。实证分析是在原始数据库上进行的,该数据库通过合并和匹配资产负债表数据获得,数据来自对超过25,000家意大利公司(主要是中小企业)的调查,其中包括参与供应链的直接信息。我们发现,成为供应链的一部分对出口概率和贸易密集边际有积极而显著的影响。另一方面,服务的国外市场数量(广泛的利润)似乎没有受到影响。我们还调查了产业链上的不同位置(即上游或下游)是否重要,我们发现下游生产商往往受益更多。我们的结果对不同的规范、估计方法和包括异质企业模型中典型使用的控制变量都是稳健的。
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引用次数: 17
Customer Profitability and Optimal CLV-Based Strategies in a Model of Dynamic Competition 动态竞争模型中的客户盈利能力与基于clv的最优策略
Pub Date : 2014-04-03 DOI: 10.2139/ssrn.2520328
Gerasimos Lianos, Igor Sloev
We study the optimal customer-acquisition and customer-retention decisions of the representative firm in a dynamic competitive industry. We find that the optimal per-customer retention effort depends positively on customer profitability and is constant over time. The endogenous effective retention rate is higher for more profitable customers, so their proportion in the customer base increases over time. Larger market size and lower competition strength result in higher acquisition and retention expenditures at the firm level, but they do not change per-capita values. The retention effort that maximize a firm's value also maximize individual Customer Lifetime Value, whereas the equilibrium acquisition expenditure maximize the expected average customer value in the corresponding cohort.
本文研究了动态竞争行业中代表性企业的最优客户获取和保留决策。我们发现最优的每个客户保留努力正依赖于客户盈利能力,并且随着时间的推移是恒定的。盈利能力更强的客户的内生有效留存率更高,因此他们在客户群中的比例会随着时间的推移而增加。更大的市场规模和更低的竞争强度导致企业层面更高的收购和保留支出,但它们不会改变人均价值。使公司价值最大化的保留努力也使单个客户终身价值最大化,而均衡获取支出则使相应群体的预期平均客户价值最大化。
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引用次数: 1
Анализ Факторов Спроса Банков На Ликвидность Цб Рф и Роль Инструментов Денежно-Кредитной Политики Банка России (Analysis of Bank Demand Factors for Liquidity of Central Bank of Russia and Meaning of Its Monetary Policy)
Pub Date : 2014-03-19 DOI: 10.2139/SSRN.2430184
Pavel Trunin, N. Vashchelyuk, A. Bozhechkova
Russian Abstract: Целью данной работы является анализ роли Банка России в формировании денежного предложения с учетом внутренних и внешних факторов экономического развития. Во-первых, мы изучили базовые теоретические и эмпирические модели предложения денег и проанализировали основные различия между теориями экзогенного и эндогенного денежного предложения; мы также выявили механизмы влияния спроса коммерческих банков на ликвидность центрального банка на предложение денег. Во-вторых, были сформулированы и проанализированы основные факторы денежного предложения в России до и после мирового финансового кризиса. При этом первые признаки влияния спроса коммерческих банков на кредиты на денежное предложение появились лишь после кризиса. В работе показано, что формирование денежного предложения в России хорошо описывается моделью мультипликатора. Наиболее важными факторами денежного предложения в РФ были чистые иностранные активы, денежная база, процентные ставки и уровень экономической активности. В-третьих, в работе было рассмотрено воздействие шока спроса на ликвидность на функционирования рынка межбанковского кредитования. English Abstract: The goal of this work is to conduct a comprehensive analysis of the role of Bank of Russia in the formation of money supply, taking into account internal and external factors that determine the development of the economy. First, we examined base theoretical and empirical models of money supply and analyzed main differences of the exogenous and endogenous theories of money, we also identified the mechanisms of influence of commercial banks' demand for central bank liquidity on the money supply. Secondly, the nature and main factors of money supply in Russia before and after the world financial crisis were defined and analyzed. Money supply was found to be exogenous before the crisis. However after the crisis there were identified the first indications of the influence of the commercial banks’ credit demand on money stock. The money supply in Russia was also found to be consistent with multiplier model. The most important factors of money stock were net foreign assets, monetary base, interest rates, level of economic activity. Thirdly, the influence of liquidity demand shock on interbank market operation was examined.
俄罗斯Abstract:这项工作的目的是分析俄罗斯银行在考虑到经济发展的内部和外部因素的货币供应方面的作用。首先,我们研究了货币供应的基本理论和实证模型,分析了外源性和内源性货币供应理论的主要区别;我们还发现了商业银行需求对央行流动性和货币供应的影响的机制。其次,在全球金融危机之前和之后,俄罗斯的主要货币供应因素已经制定和分析。然而,直到危机爆发后,商业银行对信贷和货币供应的需求才出现了第一个迹象。这份工作表明,俄罗斯货币供应的形成是由乘数模型很好的描述的。俄罗斯货币供应的最重要因素是净外国资产、货币基础、利率和经济活动水平。第三,它考虑了需求冲击对流动性市场在银行间信贷市场运作中的影响。英语Abstract:这首歌是关于俄罗斯银行在货币供应方面的合理化分析的。第一,我们是货币供应的基础和经验模型,我们是商业银行的试金石,我们是货币供应的试金石。第二次,俄罗斯的自然和主要的货币供应工厂在世界金融危机之前和之后。在危机发生之前,货币供应就已经准备好了。在危机之后,豪弗在商业银行的第一个错误决定了货币兑换商的信用状况。在俄罗斯,货币供应是一种不同的模式。最受影响的工厂是货币供应的基础,monetary base, interest rates,经济行动的领导者。第三,在interbank market操作中发生了一件令人震惊的事情。
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引用次数: 0
期刊
ERN: Other IO: Empirical Studies of Firms & Markets (Topic)
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