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Input Reallocation within Firms 企业内部的投入再分配
Pub Date : 2016-07-01 DOI: 10.2139/ssrn.2810964
H. Vandenbussche, Christian Viegelahn
This paper documents the within firm reallocation of inputs and outputs as a result of a trade policy shock on the input side. A unique firm-input level dataset for India with information on different raw material inputs used in production, enables us to identify firms with imported inputs subject to trade policy. To guide the empirics, we first develop a back-bone model of heterogeneous firms that source inputs from abroad. We find that affected firms engage in input reallocation and lower their use of protected inputs by 25-40%, relative to other inputs. Especially large firms and multi-output firms skew their input use towards unprotected inputs. To identify the output reallocation ensuing trade protection on inputs, we develop a firm level input-output correspondence. Firms reduce their sales of outputs made of protected inputs on average by 50-80%, relative to sales of other outputs. We find a firm level decrease in markups, suggesting that the cost of imported inputs is only partially passed through to output prices. Thus, this paper documents a new channel through which trade protection negatively impacts input-using firms.
本文记录了由于贸易政策冲击对投入方造成的企业内部投入和产出的再配置。印度独特的企业投入水平数据集,其中包含生产中使用的不同原材料投入的信息,使我们能够识别受贸易政策影响的进口投入的企业。为了指导实证,我们首先建立了从国外获取投入的异质企业的主干模型。我们发现,相对于其他投入,受影响的企业会进行投入再分配,并将受保护投入的使用降低25-40%。特别是大公司和多产出公司,他们的投入使用偏向于不受保护的投入。为了确定贸易保护对投入的影响后的产出再配置,我们建立了企业层面的投入产出对应关系。相对于其他产品的销售,企业对受保护投入产品的销售平均减少了50-80%。我们发现加价有一个稳定的水平下降,这表明进口投入的成本只是部分地转嫁到产出价格上。因此,本文记录了贸易保护对投入型企业产生负面影响的新渠道。
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引用次数: 6
Firm Lifecycles: Linking Employee Incentives and Firm Growth Dynamics 企业生命周期:连结员工激励与企业成长动力
Pub Date : 2016-06-01 DOI: 10.2139/ssrn.2572709
V. M. Bennett, Daniel A. Levinthal
We develop a formal model that links the design of a firm’s incentive structure to the firm’s rate of growth. Motivated by the prospect of promotion, employees exert effort over and above their formal job requirements to improve processes and make the firm more efficient. Firms that are growing faster, in turn, have more promotion opportunities which links firms’ growth rate and the incentives managers experience. We show that the associated dynamics lead to three distinct epochs of a firm’s lifecycle: rapid growth and high-powered incentives driven by frequent promotion opportunities; moderate growth with infrequent promotion opportunities but large salary increases contingent on promotion; and finally stagnant firms with low-powered incentives.
我们开发了一个正式的模型,将公司激励结构的设计与公司的增长率联系起来。在晋升前景的激励下,员工会在正式工作要求之外努力改进流程,使公司更有效率。企业成长速度越快,晋升机会越多,企业的成长速度与管理者的激励经历之间存在联系。我们表明,相关的动态导致了公司生命周期的三个不同时期:快速增长和频繁晋升机会驱动的高动力激励;适度增长,很少有晋升机会,但升职后工资会大幅上涨;最后是动力不足、停滞不前的公司。
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引用次数: 33
An Efficient Algorithm for Dynamic Pricing Using a Graphical Representation 一种高效的图形化动态定价算法
Pub Date : 2016-04-28 DOI: 10.2139/ssrn.2772231
Maxime C. Cohen, Swati Gupta, Jeremy J. Kalas, G. Perakis
We study a multi-period, multi-item dynamic pricing problem faced by a retailer. The objective is to maximize the total profit by choosing optimal prices while satisfying several important practical business rules. The strength of our work lies in a graphical model reformulation we introduce, which can be used to solve the problem, while providing access to a whole range of ideas from combinatorial optimization. Contrasting to previous literature, we do not make any assumptions on the structure of the demand functions. The complexity of our method depends linearly on the number of time periods but is exponential in the memory of the model (number of past prices that affect the current demand) and in the number of items. Consequently for problems with large memory, we show that the profit maximization problem is NP-hard by presenting a reduction from the Traveling Salesman Problem. We then approximate general demand functions using the commonly used reference price model that accounts for an exponentially smoothed contribution of all the past prices. For the reference price model, we develop a (1 $epsilon$)-approximation with low runtimes. We extend the reference price model to handle cross-item effects among multiple items using the notion of a virtual reference price. To allow for scalability of our approach, we cluster the items into blocks, and show how to adapt our methods to incorporate global business constraints. Finally, we apply our solution approaches using demand models calibrated by supermarket data, and show that we can solve realistic size instances in a few minutes.
研究了零售商面临的多周期、多项目动态定价问题。目标是通过选择最优价格,同时满足几个重要的实际业务规则,使总利润最大化。我们工作的优势在于我们引入的图形模型重构,它可以用来解决问题,同时提供了从组合优化中获得的一系列思想。与以往的文献相比,我们没有对需求函数的结构做任何假设。我们方法的复杂性线性依赖于时间段的数量,但在模型的内存(影响当前需求的过去价格的数量)和商品数量中呈指数增长。因此,对于具有大内存的问题,我们通过给出旅行推销员问题的约简来证明利润最大化问题是np困难的。然后,我们使用常用的参考价格模型来近似一般需求函数,该模型考虑了所有过去价格的指数平滑贡献。对于参考价格模型,我们开发了具有低运行时间的(1 $epsilon$)-近似。我们扩展了参考价格模型,使用虚拟参考价格的概念来处理多个项目之间的跨项目影响。为了允许我们的方法具有可伸缩性,我们将项目聚类到块中,并展示如何调整我们的方法以合并全局业务约束。最后,我们使用由超市数据校准的需求模型应用我们的解决方案方法,并表明我们可以在几分钟内解决实际尺寸的实例。
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引用次数: 12
Quantity Discounts and Capital Misallocation in Vertical Relationships: The Case of Aircraft and Airline Industries 垂直关系中的数量折扣和资本错配:以飞机和航空业为例
Pub Date : 2016-02-29 DOI: 10.2139/ssrn.2739658
Ken Onishi
I study transactions between aircraft manufacturers and airlines as well as airlines’ utilization of their fleet. Aircraft production is characterized by economies of scale via learningby-doing, which creates a trade-off between current profit and future competitive advantage in the aircraft market. The latter consideration makes large buyers more attractive than small buyers and induces quantity discounts. The resulting nonlinear pricing strategy may distort both production and allocation in favor of large buyers. There is a negative correlation between the size of aircraft orders and the per-unit price. There is also a positive correlation between the price paid and the utilization rate of the aircraft model, which suggests that the manufacturers’ price discrimination leads to the misallocation of aircraft. To assess whether there is an inefficient allocation, I model the market and show that price discrimination by upstream firms may lead to an inefficient outcome compared with uniform pricing. Then, I construct and estimate a dynamic model of the aircraft market that includes a model of utilization. Finally, I conduct counterfactual simulations using the estimated parameters. I find that uniform pricing increases aircraft production by 10% and total welfare by 1.6%. ∗I am extremely thankful to Igal Hendel, David Besanko, Aviv Nevo, Rob Porter and seminar participants at Northwestern University for their valuable comments and suggestions. †Northwestern University, Department of Economics. email: onishi@u.northwestern.edu
我研究飞机制造商和航空公司之间的交易以及航空公司对其机队的利用。飞机生产的特点是通过边做边学来实现规模经济,这在飞机市场上创造了当前利润和未来竞争优势之间的权衡。后一种考虑使大买家比小买家更有吸引力,并导致数量折扣。由此产生的非线性定价策略可能会扭曲生产和分配,从而有利于大买家。飞机订单规模与单价之间存在负相关关系。支付的价格与飞机型号的利用率之间也存在正相关关系,说明制造商的价格歧视导致了飞机的错配。为了评估是否存在低效配置,我建立了市场模型,并表明与统一定价相比,上游企业的价格歧视可能导致低效的结果。然后,构建并估计了一个包含利用率模型的飞机市场动态模型。最后,我使用估计的参数进行反事实模拟。我发现统一定价使飞机产量增加10%,总福利增加1.6%。*我非常感谢西北大学的Igal Hendel、David Besanko、Aviv Nevo、Rob Porter和研讨会与会者提出的宝贵意见和建议。†西北大学经济系。电子邮件:onishi@u.northwestern.edu
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引用次数: 3
Information Disclosure, Product Market Competition, and Firm Value 信息披露、产品市场竞争与企业价值
Pub Date : 2016-01-19 DOI: 10.2139/ssrn.2717997
Kung‐Cheng Ho, Shih‐Cheng Lee, Chien-ting Lin, Lee-Hsien Pan
This study examines the relationship between information disclosures and firm value under different levels of product market competition. Using a unique information rating scheme that draws from 114 measures over five dimensions of information disclosure from 2005 to 2013, we find that firms with higher levels of information disclosure (better information transparency) are related to higher industry-adjusted Tobin’s Q. We also find that the levels of information disclosure and product market competition interact in affecting firm value. This relationship is robust after controlling for a number of firm-specific factors and agency-based measures. Our paper brings two streams of research that aim to explain the variation in firms’ value together, and suggests that information disclosure and product market competition complement each other in enhancing a firm’s value.
本研究考察了不同产品市场竞争水平下信息披露与企业价值的关系。利用2005年至2013年信息披露5个维度上114项测度的独特信息评级方案,我们发现信息披露水平越高(信息透明度越好)的企业,其行业调整后的托宾q值也越高。我们还发现,信息披露水平与产品市场竞争水平在影响企业价值方面存在交互作用。在控制了一些公司特定因素和基于代理的措施之后,这种关系是稳健的。本文将两种旨在解释企业价值变化的研究结合在一起,并提出信息披露与产品市场竞争在提升企业价值方面是相辅相成的。
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引用次数: 3
Does Product Market Competition Influence Analyst Coverage and Analyst Career Success? 产品市场竞争是否影响分析师覆盖率和分析师职业成功?
Pub Date : 2015-12-02 DOI: 10.2139/ssrn.2698331
Charles Hsu, Xi Li, Zhiming Ma, G. Phillips
We use information from product descriptions in firm 10-Ks to analyze whether product market competition influences analysts’ decisions to cover firms, the accuracy and consistency of their earnings reports and their likelihood of obtaining Analyst All-Star status. We find that a firm’s analyst coverage and analyst forecast accuracy and consistency increase with product market competition measured by product similarity. Analyst decisions to cover new firms or drop firms from the firms that they cover are also related to a firm’s competition relation with the other firms in their coverage portfolios. We also show that analysts whose portfolios comprise firms with greater product competition are more likely to obtain Analyst All-Star status.
我们使用公司10- k中的产品描述信息来分析产品市场竞争是否影响分析师对公司的决策,其收益报告的准确性和一致性以及他们获得分析师全明星地位的可能性。我们发现,以产品相似度衡量的产品市场竞争会增加公司的分析师覆盖范围和分析师预测的准确性和一致性。分析师决定覆盖新公司或从他们所覆盖的公司中删除公司也与公司与其覆盖组合中的其他公司的竞争关系有关。我们还表明,投资组合中包含产品竞争更大的公司的分析师更有可能获得分析师全明星地位。
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引用次数: 13
Markups and Misallocation with Trade and Heterogeneous Firms 贸易和异质企业的加价和错配
Pub Date : 2015-09-01 DOI: 10.24149/gwp251
Ariel Weinberger
With non-homothetic preferences, a monopolistic competition equilibrium is inefficient in the way inputs are allocated towards production. This paper quantifies a gains from trade component that is present only when reallocation is properly measured in a setting with heterogeneous firms that charge variable markups. Due to variable markups, reallocations initiated by aggregate shocks impact allocative efficiency depending on the adjustment of the market power distribution. My measurement compares real income growth with the hypothetical case of no misallocation in quantities. Using firm and industry-level data from Chile during a period with large terms of trade gains, I find that cost reductions are associated with losses in allocative efficiency because firms pass-through measured productivity gains into markups. From industry-year variation, there is also evidence that industries that import a larger share of their inputs become more misallocated as a result of exchange rate appreciations compared to open sectors whose output competition becomes fiercer.
对于非同质偏好,垄断竞争均衡在投入分配到生产的方式上是低效的。本文量化了贸易成分的收益,这种收益只有在异质性企业收取可变加成的情况下,适当地衡量再分配时才存在。由于加价变动,由总冲击引发的再分配依赖于市场力量分配的调整而影响分配效率。我的测量方法将实际收入增长与数量没有错配的假设情况进行了比较。利用智利在贸易条件大幅增长期间的企业和行业层面的数据,我发现成本降低与配置效率的损失有关,因为企业将测量到的生产率增长转化为加价。从行业-年度变化来看,也有证据表明,与产出竞争更加激烈的开放部门相比,进口投入份额较大的行业由于汇率升值而更容易配置不当。
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引用次数: 8
Customer-Base Concentration, Profitability and the Relationship Life Cycle 客户基础集中度、盈利能力和关系生命周期
Pub Date : 2015-07-30 DOI: 10.2139/ssrn.2347095
Paul Irvine, Shawn Saeyeul Park, Celim Yildizhan
ABSTRACT: Using a recently expanded dataset on supplier-customer links, we introduce a dynamic relationship life-cycle hypothesis. We hypothesize that the relation between customer-base concentration and profitability is significantly negative in the early years of the relationship, but becomes positive as the relationship matures. The key driver of this dynamic is the customer-specific investments that the relationship entails. These investments result in larger fixed costs, greater operating leverage, and a higher probability of losses early in the relationship, but can significantly benefit the firm as the relationship matures. Although many of these money-losing firms in early-stage relationships were not studied in Patatoukas (2012), we find a market reaction to increases in customer concentration similar to that in his paper. This result provides powerful confirmatory evidence of the value of customer concentration. We document one of the intangible benefits of customer concentration, technology sha...
摘要:利用最近扩展的供应商-客户关系数据集,我们引入了一个动态关系生命周期假设。我们假设客户群集中度与盈利能力之间的关系在关系的最初几年呈显著负相关,但随着关系的成熟而变为正相关。这种动态的关键驱动因素是这种关系所需要的特定于客户的投资。这些投资会导致更大的固定成本、更高的经营杠杆和更高的损失概率,但随着关系的成熟,这些投资可以显著地使公司受益。尽管Patatoukas(2012)没有研究这些处于早期关系中的亏损公司,但我们发现市场对客户集中度增加的反应与他的论文相似。这一结果为客户集中度的价值提供了强有力的验证性证据。我们记录了客户集中的无形好处之一,技术…
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引用次数: 179
Entry of Non-Financial Firms and Competition in the Retail Payments Market 非金融企业的进入与零售支付市场的竞争
Pub Date : 2015-07-06 DOI: 10.2139/ssrn.2628481
Jooyong Jun
We investigate the effects of a non-financial firm’s entry on competition in the retail payments market, from the perspective of duopoly between an incumbent and an entrant in conditions of vertical restraints. Considering the cross-platform externalities in payment processing, differentiated preferences for payment platforms, and competitive bottleneck on the consumer side, we derive the following results. When only the entry of a vertically integrated (or end-to-end service) provider is allowed, either all merchants choose to multi-home or no entry occurs, regardless of the regulatory requirement. On the other hand, if the entry of a downstream-only (or front-end service) provider is possible, a partial multi-homing equilibrium result can emerge for some conditions under which the entry of an end-to-end service provider does not occur. In addition, due to the lowered entry cost, the overall welfare is greater when the entry of downstream-only service is possible although the entire increase in welfare goes to the entrant. Without regulation, however, the vertically integrated incumbent does not voluntarily provide the back-end service to the entrant when the merchant’s benefit from the payments service is not sufficiently high. It suggests the need for proper regulatory measures to reach a socially desirable outcome from the new entry in the retail payments market.
我们从纵向限制条件下在位者和进入者双寡头垄断的角度,研究了非金融公司进入零售支付市场对竞争的影响。考虑到支付处理中的跨平台外部性、支付平台的差异化偏好以及消费者端的竞争瓶颈,我们得出了以下结果。当只允许垂直集成(或端到端服务)提供商进入时,无论监管要求如何,所有商家要么选择多户,要么不允许进入。另一方面,如果只允许进入下游(或前端服务)提供者,则在端到端服务提供者不允许进入的某些条件下,可能出现部分多归平衡结果。此外,由于进入成本较低,虽然福利的全部增加都由进入者获得,但只有下游服务可以进入时,整体福利更大。然而,如果没有监管,当商家从支付服务中获得的收益不够高时,垂直整合的在位者不会自愿向进入者提供后端服务。它表明,有必要采取适当的监管措施,以从零售支付市场的新进入中获得社会满意的结果。
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引用次数: 0
Cross-Border Financing by the Industrial Sector Increases Competition in the Domestic Banking Sector 工业部门的跨境融资加剧了国内银行业的竞争
Pub Date : 2015-07-01 DOI: 10.2308/ACCR-51199
Sudarshan Jayaraman, S. Kothari
ABSTRACT We predict that access to cross-border financing by the industrial sector reduces firms' reliance on domestic banks, thereby leading to lower rents for banks and greater competition in the domestic banking sector. We also predict that banks take on more risk to offset these lost rents and remain competitive. Using mandatory adoption of International Financial Reporting Standards (IFRS) to identify variation in cross-border financing, we find evidence consistent with our hypotheses. Additional tests verify that the effects emanate from the demand side (i.e., firms not relying on banks) rather than the supply side (i.e., banks not willing to lend to firms). Overall, we document how competition from overseas financial markets influences the domestic banking sector.
我们预测,工业部门获得跨境融资可以减少企业对国内银行的依赖,从而导致银行租金降低,国内银行业竞争加剧。我们还预测,银行将承担更多风险,以抵消这些租金损失,保持竞争力。通过强制采用国际财务报告准则(IFRS)来识别跨境融资的变化,我们发现了与我们假设一致的证据。另外的测试证实,这种影响来自需求方面(即企业不依赖银行),而不是供应方面(即银行不愿意向企业贷款)。总体而言,我们记录了来自海外金融市场的竞争如何影响国内银行业。
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引用次数: 6
期刊
ERN: Other IO: Empirical Studies of Firms & Markets (Topic)
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