Rate of return regulation and the Le Chatelier principle

This paper examines whether rate-of return regulation alters the input quantities firms use to produce their selected output level when the corresponding input prices change, in a manner similar to the Le Chatelier principle. More specifically, would the change in a rate regulated firm’s input quantity due to a change in its input price be less price elastic than the unregulated firm’s change in the input quantity due to a change in its input price. We follow Färe and Logan (1986), Nelson and Wohar (1983) in estimating a rate regulated cost function and capital input share system of equations. Using a 1992–2000 panel of 34 US major investor-owned electric utilities, empirical results indicate that the regulated own-input price elasticities of demand for labor and fuel are less price elastic than their corresponding unregulated own-input price elasticities of demand (a Le Chatelier principle type effect). Having a fuel clause (1) reduces the firm’s willingness to substitute from fuel to either non-fuel (capital, labor) input when the price of fuel rises, and (2) enhances the firm’s willingness to substitute from non-fuel inputs to fuel when the price of non-fuel inputs rises.     

Non-maximizing output behavior for firms with a cost-constrained technology

In many public service industries, firms are constrained by a cost (budget) and characterized by non-maximizing output behavior, due to bureaucratic behavior, for instance. This paper proposes a model based on the assumption that firms with a cost constraint do not maximize service levels due to resource preferences. It derives the exact relationships between services delivered, (shadow) input prices, cost constraints, and optimal input quantities. From these relationships, allocative efficiencies, technical efficiencies, output ray elasticities, and marginal cost can easily be derived.      

Why Are Concavity Conditions Not Satisfied in the Cost Function? The Case of Japanese Manufacturing Firms during the Bubble Period*

This paper examines empirically the reasons why Japanese manufacturing firms frequently fail to satisfy concavity of the cost function in input prices. We focus on the ‘bubble period’ in the 1980s when land was in great demand and land prices soared. By estimating the translog cost function with land as one of production inputs, we find that violation of concavity mainly resulted from weak bank–firm relationship and massive transactions of land. We also demonstrate that elasticities of substitution between land and other inputs are estimated quite differently if the firms violating concavity are not excluded from the analysis.     

Do firms choose overcapacity or undercapacity in a vertical structure?

This study investigates capacity choice in a vertical structure in which each downstream firm makes its capacity decision, then a monopolistic upstream firm proposes the input price or two-part tariff contract. Finally, each downstream firm chooses its output (or price). Contrary to the conventional wisdom that both firms hold excess capacity in an Cournot competition, we find that each downstream firm always chooses undercapacity regardless of both the nature of goods and the competition modes. Second, we also show that capacity efficiency is higher under Cournot competition than under Bertrand competition. Third, even though there are double marginalization distortion and rent-extracting effect, we can achieve the monopoly equilibrium of the vertically integrated firm though two-part tariff contract.     

Weak Axiom of Cost Dominance: A Nonparametric Test of Cost Efficiency Without Input Quantity Data

Varian's Weak Axiom of Cost Minimization provides a nonparametric test of cost minimization, which can be applied only when both input price and quantity data are available for individual firms. In this paper we propose a Weak Axiom of Cost Dominance (WACD), which serves as the basis of an alternative test of cost-minimization applicable in situations where input quantity data are missing. Unlike a previous test developed by Diewert and Parkan, the proposed test does identify individual firms that violate the assumption of cost-minimizing behavior. It also provides an upper bound of the cost-efficiency of any observed firm. The test procedure is shown to be equivalent to applying dominance analysis using normalized input prices with reference to the Cost-indirect technology. The proposed method is applied to Nerlove's electrical utility data. The nonparametric results are also compared with parametric efficiency levels computed from a stochastic frontier cost function.     

Capital market equilibrium with moral hazard and flexible technology

(Magill, M., Quinzii, M., 2002. Capital market equilibrium with moral hazard. Journal of Mathematical Economics 38, 149–190) showed that, in a stockmarket economy with private information, the moral hazard problem may be resolved provided that a spanning overlap condition is satisfed. This result depends on the assumption that the technology is given by a stochastic production function with a single scalar input. The object of the present paper is to extend the analysis of Magill and Quinzii to the case of multiple inputs. We show that their main result extends to this general case if and only if, for each firm, the number of linearly independent combinations of securities having payoffs correlated with, but not dependent on, the firms output is equal to the number of degrees of freedom in the firm’s production technology.     

The Effect of Performance Standards on Health Care Provider Behavior: Evidence from Kidney Transplantation

Performance standards are designed to ensure a basic level of quality, and through public reporting of firm performance, encourage firms to compete on quality thus allowing the market to determine the optimal level of quality. In markets with substantial excess demand, however, demand effects may be insufficient to induce any change in firm behavior and enforcement may be required to ensure high quality. Even with enforcement, quality still may not improve at underperforming firms if gaming the system is less costly than improving quality. We test whether information alone or with regulatory enforcement improves outcomes or elicits gaming behavior in our study of 266 kidney transplant centers between 2001 and 2012. In a context of excess demand induced by price controls, we show that information alone has no impact and enforcement may actually increase market inefficiencies; firms respond to costly quality requirements, not by improving quality, but by reducing supply, which exacerbates the disequilibrium between supply and demand, and by cream‐skimming, which reduces access to transplantation among sicker patients.     

FINANCIAL DISTRESS AND INDUSTRY STRUCTURE: AN INTER-INDUSTRY APPROACH TO THE LOST DECADE IN JAPAN

This paper proposes a novel approach to investigating the propagation mechanism of balance sheet deterioration in financial institutions and firms, by extending the input–output analysis. First, we use a unique input–output table augmented by firm size dimension. Second, we link the input–output table with the balance sheet conditions of financial institutions and firms. Based on Japanese input–output tables, we find that the lending attitude of financial institutions affected firms’ input decision in the late 1990s and the early 2000s. Simulation exercises are conducted to evaluate the effects of changes in the lending attitude toward small firms as favorable as that toward large firms on sectoral allocations. We find that output was increased for small firms and reduced for large firms. The change in output was non-negligible, about 5.5% of the initial output of each sector. In particular, it exceeded 20% in textile, iron and steel and fabricated metal products.     

How does a firm’s management of greenhouse gas emissions influence its economic performance? Analyzing effects through demand and productivity in Japanese manufacturing firms

This paper analyzes how a firm’s management of greenhouse gas (GHG) emissions affects its economic performance. The theoretical model we derive from Cobb–Douglas production and inverse demand functions predict that in conducting GHG emissions management, a firm will enhance its economic performance because it promotes an increase in demand for its output and improves its productivity. The estimation results, using panel data on Japanese manufacturing firms during the period 2007–2008, support the view that a firm’s GHG emissions management enhances a firm’s economic performance through an increase in demand and improvement in productivity. However, the latter effect is conditional. Although a firm’s efforts to maintain lower GHG emissions improves productivity, efforts to reduce GHG emissions further does not always improve it, especially for energy-intensive firms. Because firms attempting to maintain lower GHG emissions are more likely to improve their productivity, there is a possibility that firms with high GHG emissions can also enhance economic performance by reducing their emissions in the long term, even if additional costs are incurred. In addition, better GHG emissions management increases the demand of environmentally conscious customers because a product’s life cycle GHG emissions in the upper stream of the supply chain influence those in the lower stream, and customers evaluate the suppliers’ GHG emissions management in terms of green supply-chain management.     

Decision making in the multiproduct firm: Adaptability and firm organization

This study presents an explicit model of the choice process by which decision makers within a multiproduct firm would optimally allocate their firm-specific inputs. The first-order conditions of the model indicate the kind of information required for efficient transfer of these inputs. Transfer within the firm can be more efficiently accomplished than contracting over markets. Consequently, one may demonstrate the superior efficiency of the multiproduct firm over a comparable group of single-product firms independent of any production externalities. Further, this superior efficiency results only if the central administration of the firm controls the exchange of these inputs.     

Some unresolved issues in the location theory of the firm

This paper presents a generalized location theory of the firm in linear space. Location outcomes are examined by utilizing a general as well as a particular transport rate structure for output and inputs and using a general concave production as well as a homogeneous production function, of the firm. The effect of a change in demand on the location is also investigated.     

Investment in a New Technology as a Signal of Firm Value Under Regulatory Opportunism

We examine the question of whether a regulated firm that makes a long-term investment in infrastructure can credibly signal its private information regarding the future demand for its output to the capital market. We show that necessary conditions for a separating equilibrium in which the magnitude of investment signals high future demand may include a low degree of managerial myopia, large variability of future demand, a lenient regulatory climate, and low sunk cost. Our model suggests that in estimating valuation models of regulated firms it is important to separate firms into two groups: firms for which a separating equilibrium is likely to obtain and firms for which the equilibrium is likely to be pooling. The market value of a firm in the first group is positively correlated with its level of investment, but uncorrelated with the level of actual demand, whereas for the second group the opposite holds.     

Identifying bank outputs and inputs with a directional technology distance function

The bank efficiency literature lacks an agreed definition of bank outputs and inputs. This is problematic given the long-standing controversy concerning the status of deposits, but also because bank efficiency estimates are known to be affected by the inclusion of additional outputs such as non-traditional (fee-based) activities or risk measures. This paper proposes a data-driven identification of bank outputs and inputs using the directional technology distance function. While previous applications of this tool used symmetric expansion or contraction directions, we focus on a set of orthogonal directions, each corresponding to an assumption on the input/output status of an individual variable. These directions correspond to a set of different specifications, whose estimated coefficients can be used to determine the input or output status of all variables except the regressand. Our empirical analysis revealed a very consistent pattern across the alternative specifications estimated. There is strong evidence that customer deposits are an input, and that non-performing loans are an important undesirable output. Finally, the orthogonal expansions/contractions we consider avoid the simultaneity problem raised by the “convenient normalization” commonly used to impose linear homogeneity in stochastic frontier estimation.     

Firm efficiency and stock returns

In this paper, we investigate the role of firm efficiency in asset pricing using a sample of US publicly listed companies for the period 1988–2007. We employ non-parametric data envelopment analysis (DEA) on various input/output combinations, focusing on sales and market value as output measures in the construction of the frontier technologies. Using these performance measures, we examine whether efficient firms perform differently from inefficient firms following standard financial analysis procedures. First, we employ performance attribution regressions, by forming portfolios based on efficiency scores and tracking the performance of the various portfolios over time. Second, we perform cross-sectional/panel regressions to determine whether firm efficiency indeed has explanatory power for the cross-section of stock returns. Our results suggest that firm efficiency plays an important role in asset pricing and that efficient firms significantly outperform inefficient firms even after controlling for known risk factors.     

Compositional change,aggregation, and dynamic factor demand. Estimates on a panel of manufacturing firms

Most empirical research on investment and dynamic factor demand has used aggregated data. The large number of authors who have cited this as a source of problems strongly suggests possible benefits from analyzing individual firm data. This paper presents an analysis of a panel dataset of US manufacturing firms. Several models, based on cost minimization and a three-factor Cobb–Douglas technology, are developed. The differences concern whether the technology varies across two-digit SIC industries, the presence of fixed adjustment lags, and the determinants of adjustment costs. Identification relies on the rational expectations hypothesis, and estimation on non-linear 3SLS. The estimates indicate that versions with the adjustment lag perform better than others. Conditional elasticities reveal that factor demand responds rapidly to anticipated changes in output and factor prices, a finding consistent with other recent work. It appears that the factor demand of large firms is more price sensitive and less sensitive to output than small firms, consistent with recent work on credit market imperfections. Comparison of the results based on the pooled and the industry varying technologies indicate that the use of aggregate data is indeed a source of problems.     

Macroeconomic policy and the pricing behavior of imperfectly competitive firms

This paper develops theoretical models of the effect of expansionary macroeconomic policy on the pricing behavior of pure monopolist and oligopolist firms. A number of factors are identified which affect the magnitude of the price change chosen by an imperfectly competitive firm in response to macro policy action. The behavior of oligopolistic firms in response to macro policy changes is found to be influenced by the fact that expansionary macro policy initially impacts on industry demand rather than firm demand, and that the oligopolist's consequent pricing behavior will affect the share of the industry demand increase which it is able to appropriate.     

Training and organisational innovations in a local industrial system: empirical evidence from Emilia‐Romagna1

The article studies the driving forces of firm training using a survey‐based dataset of manufacturing firms in the Emilia‐Romagna region, Northern Italy. The data are derived from the responses to a structured questionnaire administered in 2002 to the management of a representative sample of firms with more than 50 employees in the highly industrialised province of Reggio Emilia. Firms’ training choices are analysed using a theoretical/conceptual framework based on the notion of complementarity among productive factors. Training is provided as long as it favours the establishment of complementary relationships among the skills it develops and other inputs. The main factors associated with training include structural characteristics, HRM practices, workforce features, labour management and performance of the firm. Training activities emerge as being positively associated with organisational practices that affect the whole firm: workforce skill level, firm size, firm productivity and labour flexibility. The role of HRM practices in driving training is brought into question. These are key issues for the current debate on the development of local systems in the European and Italian context. The high and joint relevance of structural variables and labour demand‐related factors shows that regional industrial policies must support labour policies within an integrated policy effort aimed at increasing potential firm productivity.     

A theory of the firm's demand for HRM practices

Empirical data are presented that reveal a large variation in the pattern of HRM practice adoption across firms. The paper then develops an economics-based theory that explains this pattern. The model broadens the HRM concept; models the linkage between HRM practices and firm performance (the ‘black box’); generates an HRM input demand function and demand curve; formalizes the concept of strategic HRM; suggests a new empirical tool for HRM research; generates new hypotheses and insights on the nature of the HRM–firm performance relationship; suggests that existing theories of the HRM–firm performance relationship are seriously mis-specified; and posits that on theoretical grounds the effect of more HRM on firm performance in long-run competitive equilibrium is not positive but zero.     

Input Hedging,Output Hedging,and Market Power

We argue that commodity input hedging is different from commodity output hedging. Output hedging can be detrimental to “sector play.” Furthermore, firms with market power that hedge outputs have incentives to over‐produce and distort market prices. In rational markets, such hedging will be expensive and we expect to see a negative relationship between hedging and market power in “output industries” but not in “input industries.” We test these predictions on a sample of S&P500 firms from 2001 to 2005. Our results support both hypotheses. Placebo tests show that the same empirical regularities do not apply to currency hedging. Finally, our empirical framework, which differentiates between hedging inputs and hedging outputs, can also help in reconciling conflicting results in prior studies.