Average cost and marginal cost pricing in Marshall: Textual analysis and interpretation

Abstract

This paper proposes a textual analysis of Marshall's theory of firm pricing behavior under competitive conditions. Average cost and marginal cost pricing theories have very distinct origins as they are rooted, respectively, in the classical and marginalistic theory of competition. I analyze to what extent and under which circumstances the two theories joined in the work of Alfred Marshall; and I argue that, even though only partial evidence can be found to support the adoption of the notion of marginal cost pricing by Marshall, he developed some concepts, such as the distinction between short and long periods and the notion of quasi-rents, which turned out to be fundamental for the joint acceptance of marginal cost and average cost pricing principles by the Marshallian school.     

Optimierte Integration der Elektromobilität in das Stromversorgungssystem bei hohen Anteilen erneuerbarer Energien

Electric mobility will play a key role for the transformation of the energy supply in Germany [the “Energiewende”]. A successful market development of plug-in hybrids and battery electric vehicles and a full fleet penetration in the long-term are the most efficient and effective measure for integrating large amounts of renewable energy into the transport sector and for reaching the efficiency targets. These new electricity consumers in the supply system will cause additional electricity loads strongly dependent on the mobility needs of the vehicle users. A controlled battery charging is able to avoid new peak demands and to increase the efficiency of the power generation system by using excess power. By scenario analysis, the German Aerospace Center (DLR) in cooperation with the Fraunhofer Institute for Solar Energy Systems (ISE) and the Institute for High Voltage Technology of the RWTH Aachen investigated a possible successful development path of electric mobility in Germany and its integration into and interaction with the future power supply system. From both perspectives—the one of the total supply system as well as the other of local distribution grids—the results show promising potentials but also limits.     

Tariffs vs Quotas in a Model of Trade with Capital Accumulation*

This paper examines the equivalence among price‐modifying and quantity‐fixing international trade policies in a differential game. We employ two well‐known capital accumulation dynamics for firms, due to Nerlove and Arrow and to Ramsey, respectively. We show that, in both cases, open‐loop and closed‐loop Nash equilibria coincide. Under the former accumulation the tariff‐quota equivalence holds, while, in general, it does not under the latter. Moreover, in the Ramsey model, the country setting the trade policy (weakly) prefers a quantity‐equivalent import quota to the adoption of the tariff. These results are not a consequence of the equilibrium concept we adopt (with and without market power), but directly follow from the interplay between market power and the properties of accumulation dynamics.     

What drives credit dollarization in transition economies?

This paper provides an in-depth analysis of the use of foreign currencies in the lending activities of banks in transition economies. The impact of bank and firm variables on credit dollarization is studied in an optimal portfolio allocation model and estimated using new aggregate data for 21 transition economies for the period 1990–2003. Empirical results provide evidence that credit dollarization is the combined outcome of domestic deposit dollarization and banks’ desire for currency-matched portfolios beyond regulatory requirements. The effects of international financial factors and natural hedges are less robust across alternative specifications. The paper further discusses the role of regulations in affecting the impact of these factors on credit dollarization and calls for more developed domestic forward foreign exchange markets.     

Einzelbesprechungen

Ohne ZusammenfassungAus dem Italienischen übersetzt von Erich Allina, WienAus dem Russischen übersetzt von A. Gerschenkron, WienAus dem Russischen übersetzt von A. Gerschenkron     

Testing the purchasing power parity through I(2) cointegration techniques

This paper contributes to the empirical literature on the purchasing power parity (PPP) over the post‐Bretton Woods period by providing a time‐series based interpretation of the controversial evidence characterizing the dynamics of real exchange rates. It is shown that the persistence of deviations from the PPP between a set of European countries and the United States may be empirically attributed to the presence of I(2) stochastic trends in prices using Consumer Price Indices. Interestingly, the slow adjustment towards the equilibrium can be modelled through ‘integral‐proportional’ equilibrium correction models and this evidence can be partly reconciled with theories where the inflation rate reduces the markup of profit‐maximizing firms acting on imperfectly competitive markets. Copyright © 2005 John Wiley & Sons, Ltd.     

VARs,common factors and the empirical validation of equilibrium business cycle models

Equilibrium business cycle models have typically less shocks than variables. As pointed out by Altug (1989) International Economic Review 30 (4) 889–920 and Sargent (1989) The Journal of Political Economy 97 (2) 251–287, if variables are measured with error, this characteristic implies that the model solution for measured variables has a factor structure. This paper compares estimation performance for the impulse response coefficients based on a VAR approximation to this class of models and an estimation method that explicitly takes into account the restrictions implied by the factor structure. Bias and mean-squared error for both factor- and VAR-based estimates of impulse response functions are quantified using, as data-generating process, a calibrated standard equilibrium business cycle model. We show that, at short horizons, VAR estimates of impulse response functions are less accurate than factor estimates while the two methods perform similarly at medium and long run horizons.     

Learning for Sustainability Transition through Bounded Socio-technical Experiments in Personal Mobility

A bounded socio-technical experiment (BSTE) attempts to introduce a new technology, service, or a social arrangement on a small scale. Many such experiments in personal mobility are ongoing worldwide. They are carried out by coalitions of diverse actors, and are driven by long term and large scale visions of advancing society's sustainability agenda. This paper focuses on the processes of higher- order learning that occur through BSTEs. Based on the conceptual frameworks from theories of organizational learning, policy-oriented learning, and diffusion of innovation, we identify two types of learning: the first type occurs among the participants in the experiment and their immediate professional networks; the second type occurs in the society at large. Both types play a key role in the societal transition towards sustainable mobility systems. Two case studies, in which the Design for Sustainability Group at Technical University of Delft has participated, provide empirical data for the analysis. One case consists of development of a three-wheeled bike-plus vehicle (Mitka); the second case seeks to solve mobility problems on the Dutch island of Texel. We find that higher order learning of the first type occurs among the BSTE participants and beyond. Learning can be facilitated by deployment of structured visioning exercises, by diffusion of ideas among related BSTEs, by innovative couplings of problems and solutions, and by creating links among related experiments. Government agencies, universities and other intellectual entrepreneurs have key roles to play in making that happen. The cases provide much less insights about the second type of learning. Research on the latter is necessary.     

Uncertainty, Flexible Exchange Rates, and Agglomeration

This paper shows that exchange rate volatility promotes agglomeration of economic activity. Under flexible rates, firms prefer to locate in large countries, where they would enjoy lower variability of sales, thus reinforcing concentration of firms in such locations. Empirical evidence on OECD countries demonstrates that for small (large) countries or currency areas, exchange rate volatility has a long-run negative (positive) effect on net inward FDI flows. Two implications arise: creating a currency area fosters agglomeration towards the area and dispersion within the area. JEL Classification Numbers: F12, F31, F33, F4, L16, R12     

Throwing good money after bad

An “investment bubble” is a period of “excessive, and predictably unprofitable, investment” (DeMarzo et al. in J Financ Econ 85:737–754, 2007). Such bubbles most often accompany the arrival of some new technology, such as the tech stock boom and bust of the late 1990s and early 2000s. We provide a rational explanation for investment bubbles based on the dynamics of learning in highly uncertain environments. Objective information about the earnings potential of a new technology gives rise to a set of priors or a belief function. A generalised form of Bayes’ rule is used to update this set of priors using earnings data from the new economy. In each period, agents—who are heterogeneous in their tolerance for ambiguity—make optimal occupational choices, with wages in the new economy set to clear the labour market. A preponderance of bad news about the new technology may nevertheless give rise to increasing firm formation around this technology, at least initially. To a frequentist outside observer, the pattern of adoption appears as an investment bubble.