Estimation of market power in the presence of firm level inefficiencies

“The quiet life hypothesis” (QLH) by Hicks (1935) argues that, due to management’s subjective cost of reaching optimal profits, firms use their market power to allow inefficient allocation of resources. Increasing competitive pressure is therefore likely to force management to work harder to reach optimal profits. Another hypothesis, which also relates market power to efficiency is “the efficient structure hypothesis” (ESH) by Demsetz (1973). ESH argues that firms with superior efficiencies or technologies have lower costs and therefore higher profits. These firms are assumed to gain larger market shares which lead to higher concentration. Ignoring the efficiency levels of the firms in a market power model might cause both estimation and interpretation problems. Unfortunately, the literature on market power measurement largely ignores this relationship. In the context of a dynamic setting, we estimate the market power of US airlines in two city-pairs by both allowing inefficiencies of the firms and not allowing inefficiencies of the firms. Using industry level cost data, we estimate the cost function parameters and time-varying efficiencies. An instrumental variables version of the square root Kalman filter is used to estimate time-varying conduct parameters.     

Financial health and airline safety

Agency‐cost models suggest that firms may pursue riskier strategies in times of financial distress. For example, stockholders of financially weak firms in industries where quality cannot be observed ex‐ante have an incentive to compromise safety and quality to maximize current period profit. However, there exists only a modest amount of empirical evidence that relates financial health to the risk‐taking behavior of firms. We explore this relationship for the airline industry. Using bond ratings to proxy for financial health and airline mishaps to measure safety, we find a significant correlation: airlines with higher quality bond ratings are less likely to experience mishaps than airlines with lower quality ratings. On average, a whole letter grade better bond rating is associated with a 10% lower probability of a mishap. Copyright © 2004 John Wiley & Sons, Ltd.     

Efficiency, productivity, and scale economies in the U.S. property-liability insurance industry

The paper examines efficiency, productivity and scale economies in the U.S. property-liability insurance industry. Productivity change is analyzed using Malmquist indices, and efficiency is estimated using data envelopment analysis. The results indicate that the majority of firms below median size in the industry are operating with increasing returns to scale, and the majority of firms above median size are operating with decreasing returns to scale. However, a significant number of firms in each size decile have achieved constant returns to scale. Over the sample period, the industry experienced significant gains in total factor productivity, and there is an upward trend in scale and allocative efficiency. More diversified firms and insurance groups were more likely to achieve efficiency and productivity gains. Higher technology investment is positively related to efficiency and productivity improvements.     

Economic uncertainty,oil prices,hedging and U.S. stock returns of the airline industry

This paper examines the impacts of economic policy uncertainty and oil price shocks on stock returns of U.S. airlines using both industry and firm-level data. Our empirical approach considers a structural vector-autoregressive model with variables recognized to be important for airline returns including jet fuel price volatility. Empirical results confirm that oil price increase, economic uncertainty and jet fuel price volatility have significantly adverse effect on real stock returns of airlines both at industry and at firm level. In addition, we also find that hedging future fuel purchase has statistically positive impact on the smaller airlines. Our results suggest policy implications for practitioners, managers of airline industry and commodity investors.     

Upstream Mergers,Downstream Competition,and R&D Investments

In this paper, we provide an explanation for why upstream firms merge, highlighting the role of R&D investments and their nature, as well as the role of downstream competition. We show that an upstream merger generates two distinct efficiency gains when downstream competition is not too strong and R&D investments are sufficiently generic: The merger increases R&D investments and decreases wholesale prices. We also show that upstream firms merge unless R&D investments are too specific and downstream competition is neither too weak nor too strong. When the merger materializes, the merger‐generated efficiencies pass on to consumers, and thus, consumers can be better off.     

Competition and market power in the European airline industry: 1976–90

In this paper, we study the market power of European airlines in an oligopoly structure with product differentiation for the period 1976–1990 and test the monopoly hypothesis (Captain, 1993). The paper analyzes the level of competition among eight major European airlines and finds little evidence for market power in the industry over that period. One of our main findings is that the high prices in Europe are not entirely due to the bilateral agreements (leading to possible monopoly power), but rather are a result of very high cost structures in the industry. These results are broadly in agreement with those of Roeller and Sickles (1994) which analyzes these issues in the European Industry by estimating a structural, two-stage game. © 1997 John Wiley & Sons, Ltd.     

Export orientation and technical efficiency: clothing firms in China

Based on 287 of the largest clothing manufacturing firms in southern China in terms of output value, we employed data envelopment analysis to estimate the technical efficiency of the sample firms. A regression analysis was conducted to examine the effects of export orientation on technical efficiency. Our results suggest a U‐shaped relationship between export ratio and technical efficiency. The specific nature of the industry in Guangdong province can explain that clothing firms with a high degree of sales in the domestic market or with a high level of export orientation experience a higher level of technical efficiency than those firms trying to conquer both the local and the overseas markets. Copyright © 2010 John Wiley & Sons, Ltd.     

TIMELY MANAGEMENT CHANGES AS AN ELEMENT OF ORGANIZATIONAL STRATEGY

This article uses the results of empirical research into the factors determining the differential success of firms in dealing with severe conditions at the industry level. A matched pairs comparison of successful and unsuccessful firms under these conditions reveals very different patterns of strategic measures taken. One of the significant differences is that the successful firms make changes in the management area very early, while the unsuccessful firms make them very late. the results are used for a theoretical reflection focusing on the following two questions: (1) Are organizations basically inert of adaptive? and (2) What is management's role in organizational change? the central theme of the discussion is that in the literature too little attention is paid to timely management changes as an element of organizational change strategies.     

Does time have value? An empirical examination of the put option embedded in refundable U.S. air fares

The unprofitable history of the airline industry raises questions about how effectively airlines price their product. In this study, we use option pricing theory to examine the value of the put option embedded in refundable airline tickets. Specifically, we examine whether the time to expiration of the embedded put option is properly priced. Compiling daily real-time ticket price data for Delta and Southwest over 3.5 months, we find little evidence to suggest that airlines price the value of time in the embedded put option. However, we do find evidence suggesting that options are priced higher on business-dominated routes than on vacation-dominated routes.     

The determinants of voluntary investment decisions

This paper analyses investments by firms into areas of corporate social responsibility, focussing on the decision by firms whether or not to invest in compliance with voluntary environmental standards. Theoretical predictions of the compliance decision are tested using discrete time survival analysis on a large dataset of UK manufacturing firms. The rate of voluntary compliance is found to have increased since the introduction of the International Standards Organization (ISO) scheme. Further, voluntary compliance is found to be negatively associated with rates of return and industry share, and positively associated with capital intensity and industry export intensity. In contrast to theoretical predictions on corporate social responsibility, there is no evidence that investment in intangible assets, either at the firm or the industry level, is positively associated with the compliance decision. Copyright © 2001 John Wiley & Sons, Ltd.     

Public support for performing arts. Efficiency and productivity gains in eleven European countries

This paper investigates the importance of public cultural expenditure for the efficiency and productivity of the performing arts (PA) firms. To this aim, we estimate a translog production function using the stochastic frontier approach (SFA), and we obtain the estimates of both technical efficiency and its determinants for the PA firms in EU-11 countries over the period 2009–2017. The large panel data set enables the application of robust true random-effects SFA techniques, which control for noise, unobserved firms' heterogeneity and endogeneity of the inputs. Moreover, by estimating a production function, the characteristics of the production technology in the PA sector is also derived. The empirical results demonstrate that PA firms are technically inefficient, implying that the investigated firms could increase their artistic output between 32 and 42% and that decreasing returns to scale are prevalent, due to the presence of too many micro and large-scale firms in the European PA sector. In contrast to the seminal Baumol and Bowen's [5] paper, we also demonstrate that the total factor productivity (TFP) increased in the EU PA firms over the examined period. Technical efficiency, although relatively low, was the main driver of this productivity growth, as opposed to scale efficiency change or technological change, which display very small or no increases. We also find that, contrary to the common wisdom on its negative effects on firm efficiency, public spending on culture increases the efficiency of PA firms. Within this context some policy implications are discussed.     

后疫情时代低成本航空公司运营模式应用研究——以AA航空为例

当今航空公司根据服务类别分为三大类,即全服务航空航司、低成本航空公司、干线航空公司。对于大部分航空公司而言,这一年则是按下了暂停键,在庚子年初始全球迎接了一场史无前例的大流行病,对全球运输业影响深远。各航空公司纷纷以成本控制为导向调整运营模式,低成本市场空间不断被压缩,加速了低成本航空公司探索新的运营模式的进程。论文以AA航空公司为例,探讨在后疫情时代下低成本航空运营模式,希望能为其他航空公司转型提供参考。     

Entrepreneurial dynamics of the self-employed and of firms: a comparison of determinants using Spanish data

Entrepreneurship is viewed at either an individual level (self-employment), or a firm level (firms’ creation) phenomenon. We also observe the self-employed and firms that hire employees and grow, and others that do not. This paper theorizes occupational and firm-creation decisions and uses Spanish data on industry, region and time to compare entrepreneurial indicators based on official statistics of the number of self-employed individuals and of the number of firms, both with and without employees. The results show that there are important differences in the patterns of the determinants of growth rates in the self-employed and in firms and, within each of them, between those that hire employees and those that do not. We establish sound arguments to recommend the highest level of disaggregation possible in entrepreneurship studies.     

Firm efficiency,industry performance and the economy: three-way decomposition with an application to Andalusia

An economy may perform better because the firms become more efficient, the industries are better organized, or the allocation between industries is improved. In this paper we extend the literature on the measurement of industry efficiency (a decomposition in firm contributions and an organizational effect) to a third level, namely that of the economy. The huge task of interrelating the performance of an economy to industrial firm data is accomplished for Andalusia.     

Accounting for Environmental Influences in Stochastic Frontier Models: With Application to International Airlines

The principal aim of this paper is to measure the efficiency of international airlines. We obtain measures of technical efficiency from stochastic frontier production functions which have been adjusted to account for environmental influences such as network conditions, geographical factors, etc. We observe that two alternative approaches to this problem have been proposed in the efficiency measurement literature. One assumes that the environmental factors influence the shape of the technology while the other assumes that they directly influence the degree of technical inefficiency. In this paper we compare the results obtained when using these two approaches. The two sets of results provide similar rankings of airlines but suggest differing degrees of technical inefficiency. Both sets of results also suggest that Asian/Oceanic airlines are technically more efficient than European and North American airlines but that the differences are essentially due to more favourable environmental conditions. Nevertheless, it is among Asian companies that the major improvements in managerial efficiency (technical efficiency with environmental factors netted out) took place over the sample period (1977–1990).     

审计师工作量压力与盈余质量——基于门槛模型的研究

采用2012-2016年我国上市公司及其签字审计师为样本,引入门槛回归模型,实证分析不同事务所组织机制支持下审计师个人工作量压力如何影响审计行为决策及盈余质量。研究结果表明:会计师事务所行业专长存在门槛效应,行业专长水平越高,事务所组织支持力度越大,审计师工作量压力对公司盈余质量的负面影响越小;会计师事务所综合评价存在门槛效应,事务所综合评价水平越低,事务所组织支持力度越小,审计师工作量压力对公司盈余质量的负面影响越大;会计师事务所人力资本存在门槛效应,人力资本质量越高,审计师工作效率越高,审计师工作量压力对公司盈余质量的负面影响越小。     

The two sides of proximity in industrial clusters: The trade-off between process and product innovation

According to the literature on industrial districts, the proximity of small firms operating in a similar sector can lead to several positive externalities, which enhance collective efficiency. We investigate this assumption by building a microeconomic model in which a set of small firms trades off two opposite effects. First, the closer they are to each other, the more they can share fixed costs or pool risks, and the more they can innovate on more efficient processes. Second, the closer they are, the less diverse is their cognitive environment, and the less they innovate on products. We find that there is a “bell-shaped relationship” between proximity and the firms' performance. Moreover, equilibrium configurations tend to produce too much proximity from the consumers' and the workers' point of view, but too few proximity from the firms' point of view.     

The effects of corporate antitakeover provisions on long-term investment: empirical evidence

This paper's empirical results indicate that the average effect of antitakeover provisions on subsequent long‒term investment is negative. The interpretation of these results depends on whether one thinks that there was too much, too little, or just the right amount of long‒term investment prior to the antitakeover provision adoption. We use agency theory to devise more refined empirical tests of the effects of antitakeover provision adoption by managers in firms with different incentive and monitoring structures. Governance variables (e.g. percentage of outsiders on corporate boards, and separate CEO/chairperson positions) have an insignificant impact on subsequent long‒term investment behavior. However, consistent with agency theory predictions, managers in firms with better economic incentives (higher insider ownership) tend to cut subsequent long‒term investment less than managers in firms with less incentive alignment. Furthermore, managers in firms with greater external monitoring (due to higher institutional ownership) also tend to cut subsequent long‒term investment less than managers in firms with less external monitoring. Thus, the decrease in subsequent long‒term investment is significantly less for firms where the managers have greater incentives to act in shareholders' interests. Finally, there are interesting effects of the control variables. First, high book equity/market equity firms cut total long‒term investment more. Second, firms that were takeover targets or rumored to be takeover targets cut long‒term investment more. These results suggest that inefficient firms cut long‒term investment more when an antitakeover provision is adopted. © 1997 John Wiley & Sons, Ltd.     

The effects of major U.S. domestic airline code sharing and profit sharing rule

This paper presents a structural model of code sharing among major U.S. domestic airlines and estimates a profit‐sharing rule. The profit‐sharing rule between partner firms in code sharing is estimated at 0.92, which suggests that the operating carrier acquires around 92% of profits from a round‐trip, and the marketing carrier retains 8% as a commission fee. Meanwhile, the economies of code sharing reduces marginal cost, and firms are able to price at higher markups. This implies that demand increases and consumers have larger surplus if code sharing creates new products.     

Motivate and select: Relational contracts with persistent types

We develop a model of relational contracts with moral hazard and asymmetric persistent information about an employee's type. We find that the form of the optimal contract depends on the job characteristics and the distribution of employees' talent. Bonus contracts are more likely to be adopted in complex jobs and when high talent is not too common or too rare. Firms with “normal” jobs are more likely to adopt termination contracts. In labor market equilibrium, different contracts may be adopted by ex ante identical firms. Hence, we offer an explanation for the coexistence of different employment systems within the same industry.