Semicollusion vs. Full Collusion: The Role of Demand Uncertainty and Product Substitutability

We examine the profitability of two different cartel organizational forms: full collusion, under which firms collude on both price and quality, and semicollusion, under which firms collude on price only. We show that, in the presence of demand uncertainty that cannot be contracted upon in the cartel agreement, firms may be better off limiting their collusive agreement to price only. However, a positive relationship between demand uncertainty and the relative profitability of semicollusion exists only for low levels of demand substitutability. The converse is true for high levels of demand substitutability. Therefore, if demand substitutability is sufficiently high, no level of demand uncertainty will make semicollusion the optimal organizational form. In contrast, semicollusion is guaranteed to be optimal for a sufficiently low level of demand substitutability. The market structure described is motivated by and closely parallels that of shipping cartels. Received September 29, 2000; revised version received December 10, 2001 Published online: November 11, 2002     

Long-run convergence in a neo-Kaleckian open-economy model with autonomous export growth

This study combines a neo-Kaleckian growth and distribution model with a sort of Sraffian supermultiplier mechanism in which autonomous demand is driven by foreign exports. Short-, medium- and long-run equilibria are considered. In the long-run case, the expectations of sales growth governing investment change adaptively, and this, combined with the autonomous growth rate of exports, produces convergence of the actual rate of capacity utilization to its normal rate. It is demonstrated that some aspects of the main Kaleckian results can be preserved not only in the short or medium run but also in the long run, in the sense that both (1) a decrease in the propensity to save, and (2) a change in income distribution favoring labor, bring about higher average rates of production growth and capital accumulation. However, the impact of a change in the profit share is shown to be subjected to the condition that the responsiveness of the real exchange rate with respect to the profit share has to be bounded from above, confirming that the scope for wage-led demand or wage-led growth can be limited by open-economy considerations, even within the supermultiplier context.     

Explaining the aggregate price level with Keynes's principle of effective demand

The mainstream view of Keynes's principle of effective demand is that it states something about quantities—and about quantities only. The principle is held to determine the levels of output and employment in a world not governed by Say's law. This paper argues that the principle of effective demand goes beyond this to explain not only ‘real’ activity levels but also the aggregate price level. A variant of the post-Keynesian D/Z-model is brought together with Marxian reproduction schemes to derive this result.     

Budgetdefizit und Leistungsbilanzsaldo-Replik

Summary In a previous article I explained the gradual deterioration of Austria's current balance in the seventies and its pronounced deficit in 1976 and 1977 within the framework of the relative absorption approach by reference to capacity utilization rates that were high compared to those of other countries. The high utilization rates in turn were the consequence of an expansive economic policy, in particular of an expansive fiscal policy. Guger-Wörgötter, on the other hand, interpret the deficit in the Austrian current balance as the result of weak foreign demand and view the budget deficit as an attempt to compensate for insufficient aggregate demand; they conclude that full employment policies should be continued disregarding the economic development abroad. The present paper presents additional evidence that the deficit in the current balance is attributable to the fact that Austria's economic policy maintained a higher rate of capacity utilization than abroad. Such a policy serves a useful purpose and can be financed by foreign currency reserves only in the case of a cyclical demand deficiency; in the long run, however, it can be sustained at best only under a regime of flexible exchange rates (continuing devaluation).     

Overhead labour and feedback effects between capacity utilization and income distribution: estimations for the USA economy

ABSTRACT

Empirical studies on the USA have not reached a consensus on whether its demand is wage- or profit-led, leading many scholars to scrutinize what drives the empirical results. This article tests two possible explanations for profit-led results which are related to the presence of overhead labour. To do so, a vector autoregression model is estimated for the USA from 1964 to 2010 and the wage share is split between supervisors/managers and direct workers. The results support the argument that the income redistribution away from workers and towards managers increased the likelihood of profit-led demand and suggest that an increase in the workers’ share of income would stimulate the economy. Also, increases in capacity utilization negatively affect the supervisors’ share, so that short-run profit-led results may be capturing the cyclical behaviour of the profit share, but the effect becomes positive as time goes by, suggesting a complex determination of functional income distribution, as capacity utilization affects it in ambiguous ways.     

Optimal pricing and capacity choice for a public service under risk of interruption

We develop rules for pricing and capacity choice for an interruptible service that recognize the interdependence between consumers’ perceptions of system reliability and their market behavior. Consumers post ex ante demands, based on their expectations on aggregate demand. Posted demands are met if ex post supply capacity is sufficient. However, if supply is inadequate all ex ante demands are proportionally interrupted. Consumers’ expectations of aggregate demand are assumed to be rational. Under reasonable values for the consumer’s degrees of relative risk aversion and prudence, demand is decreasing in supply reliability. We derive operational expressions for the optimal pricing rule and the capacity expansion rule. We show that the optimal price under uncertainty consists of the optimal price under certainty plus a markup that positively depends on the degrees of relative risk aversion, relative prudence and system reliability. We also show that any reliability enhancing investment—though lowering the operating surplus of the public utility—is socially desirable as long as it covers the cost of investment.     

NATIONAL PRODUCT AT CONSTANT PRICES IN THE FEDERAL REPUBLIC OF GERMANY

With few exceptions, only cormmodity flows and values which can be determined by means of commodity flows (flows of goods and services) are calculated in constant prices in the official national accounts of the Federal Republic of Germany. Figures an the industrial origin and the final use of the national product are published, the former according to thirty industries, the latter according to the major types of uses of which in particular private consumption expenditure has been further analysed. The computations at constant prices are based on market prices and not on factor costs. It is only on this basis that a uniform valuation of the production and the expenditure side can be made since the turnover tax, which is the most important indirect tax, is contained in the elements of final demand in varying shares and cannot be eliminated (the tax is part of the price and has cumulative effect). The computation at constant prices presupposes a breakdown of the values in current prices according to quantities and prices. This raises a number of problems, e.g. because seller and buyer may consider differing aspects-production costs, technical attributes, etc., on the one hand, and use etc., on the other hand. In part there exist only vague ideas, or no ideas at all, as to what is to be considered-from a theoretical point of view-as quantity and price. In other cases the two values can only with great difficulties, if at all, be quantified, or there exists no market price and only the production costs are available. The author deals in greater detail with differences in quality and new commodities, the determination and treatment of quantities and prices for services, in particular for trade services (services attached to goods), the computation of government services at constant prices considering the development of productivity in public service, the determination of the values calculated as balances, above all the treatment of changes in the terms of trade for net exports of goods and services, the computation of the contributions of industries to the gross domestic product and, finally, the reconciliation of the production and the expenditure side. In a third section the author deals with index formulae and the base year. In the majority of cases values are deflated; partly, however, they are currently adjusted by means of volume and quantity data. On the production side the two methods are in part combined. In a concluding section a survey is provided of the computation methods used in the Federal Republic of Germany and on the available material for the computations. Mention is made of depreciation at constant prices.     

What Josef Steindl means to my generation

Research over the last 10 to 15 years on the possibility of a Sraffa—Keynes synthesis has, in part, been concerned with clarifying the concept of a normal rate of capacity utilization, as well as its role in price determination and its interdependence with relative prices. This paper examines some of the key implications of the interdependence between the normal rate of capacity utilization and relative prices for disequilibrium pricing, specifically, target return pricing. In particular, the question arises as to consistency between the idea of a normal rate of utilization interpreted as a profit-maximizing choice by producers and the notion of a predetermined target rate of return. Interestingly, this issue of consistency raises the possibility that far from conceiving of the Post-Keynesian and Sraffian approaches to price theory as incompatible, they may instead be seen more appropriately as representing an alternatively short-run and long-run focus on the pricing decision. This view also carries with it implications about the role for demand and supply conditions in disequilibrium pricing, where this role takes the form of movements in demand relative to capacity within and between sectors affecting relative prices.     

Growth Rate and Level Effects,the Stability of the Adjustment of Capacity to Demand and the Sraffian Supermultiplier

Abstract

The paper presents a simple but complete formal version of the Sraffian supermultiplier model in which (i) growth is led by the autonomous components of demand that do not create capacity; (ii) private productive investment is an induced expenditure; and (iii) income distribution is exogenous. We show that the main results of the long-period and fully adjusted versions of the model in terms of growth rate and level effects are quite similar and therefore that such results in no way require the full adjustment of capacity to demand. We then analyze a simple set of sufficient dynamic local stability conditions that allow the long-period positions to gravitate towards the fully adjusted position in which capacity is adjusted to demand and that also provide the upper limit to demand-led growth paths. Finally, we show how some critics of the model have misinterpreted it as being supply-led and how this has led to a further confusion between the analysis of the tendency towards a constant value of the capacity-saving-determined warranted rate of growth and the proper stability analysis of the opposite process of adjusting capacity to demand (which tends to adjust the warranted rate endogenously to the growth rate of autonomous demand).     

Bilateral Merger a Note on Salant-Switzer-Reynolds Model

The SSR (1983, QJE) paper shows that in an oligopoly industry of kfirms (k > 2) with linear demand and identical (constant) average cost of production, a bilateral merger is never profitable when all firms choose their quantities simultaneously. In this paper we re-examine the issue when some firms have first-mover advantage. We find that in a leader-follower structure a bilateral merger is always profitable when a leader and a follower merge together and the merged firm behaves like a leader. But, a bilateral merger between leaders or between followers may not be privately profitable.

     

Responsive pricing

We study the efficiency property of responsive pricing, a scheme that proposes to increase prices as a function of the level of capacity utilization in environments where traditional allocation schemes (e.g. competitive markets, non-linear pricing) cannot be implemented in practice. We show that although responsive pricing implements allocations that are arbitrarily close to full capacity utilization (no wasted capacity and no excess demand), these allocations are not always efficient. We identify conditions under which efficiency occurs and discuss implications for the use of responsive pricing. We would like to thank seminar participants at the LSE, Venezia, Toulouse, and Copenhagen as well as Piero Gottardi, Karel Mertens, Marco Ottaviani, Markus Poschke, Karl Schlag, and Sanne Zwart for useful comments.     

中国城镇社会医疗保障改革的理论探索

With its transition to a market-oriented economy, China has gone through significant changes in health care delivery and financing systems in the last three decades. Since 1998, a new public health insurance program for urban employees, called Basic Medical Insurance Program (BMI), has been established. One theme of this reform was to control medical service over-consumption with new cost containment methods. This paper attempts to evaluate the effects of the reformed public health insurance on health care utilization, with in-depth theoretical investigation. We formulate a health care demand model based on the structure of health care delivery and health insurance systems in China. It is assumed in the model that physicians have pure monopoly power in determining patients’ health care utilization. The major inference is that the insurance co-payment mechanism cannot reduce medical service over-utilization effectively without any efforts to control physicians’ behavior. Meanwhile, we use the calibrated simulation to demonstrate our hypothesis in the theoretical model. The main implication is that physicians’ incentive to over utilize medical services for their own benefits is significant and severe in China.      

Gesamtwirtschaftliche Auslastungsmaße

Summary The knowledge of utilization measures of economic performance is important for macroeconomic policy purposes. Our objective in this paper is to estimate — for the Austrian economy — aggregate measures of resource utilization, based on dynamic demand functions for factors of production and on the technological conditions of production which underlie factor demands. We present four measures, namely, the utilization rates of labor-optimizing output, capacity (or capital-optimizing) output, full employment output, and potential output.     

Growth,Normal Capacity Utilization and the Long-Run Saving Ratio: A Comment

In a recent paper Attilio Trezzini presents an explanation of the saving ratio that does not rely on normal capacity utilization positions. Trezzini instead focuses on the fluctuations of consumption and investment. But that very focus, I argue, requires a different kind of approach. Once the traditional theory of saving is discarded, the ‘indeterminacy’ of the saving ratio opens the way to an analysis of the evolution of consumption, and of how that evolution affects aggregate demand. The generation and evolution of autonomous demand are matters of obvious relevance to the classical Keynesian approach to the analysis of growth. The present comment takes James Duesenberry’s criticism of demand theory as the starting point for an examination of the evolving standard of consumption and autonomous (‘innovative’) investment, therefore addressing directly the investment–consumption relationship. There are of course a number of complicated questions involved and they have not yet been satisfactorily analysed. They are part of the necessary task of articulating a theory of consumption consistent with demand-led growth and forward-looking investment decisions.     

Bond yield uncertainty and the demand for money : A comment

The purpose of this paper is to reconsider the work recently reported by Amihud that the demand for money is an increasing function of the risk of holding bonds. Our evidence from testing annual and quarterly Cambridge k and demand-for-money equations cannot confirm the positive and significant bond-yield uncertainty coefficient reported by Amihud in a semi-annual Cambridge k equation.     

Should merchant transmission investment be subject to a must-offer provision?

Merchant electricity transmission investment is a practically relevant example of an unregulated investment with monopoly properties. However, while leaving the investment decision to the market, the regulator may decide to prohibit capacity withholding with a must-offer provision. This paper examines the welfare effects of a must-offer provision prior to the capacity choice, given three reasons for capacity withholding: uncertainty, demand growth and pre-emptive investment. A must-offer provision will decrease welfare in the first two cases, and can enhance welfare only in the last case. In the presence of importer market power, a regulatory test might be needed.      

The NIRCU and the Phillips curve: an approach based on micro data

Abstract In this paper we propose a straightforward method to derive a non‐inflationary rate of capacity utilization (NIRCU) based on micro data. We condition the current capacity utilization of firms on their current and planned price adjustments. The non‐inflationary capacity utilization rate is then defined as the rate where a firm feels no price adjustment pressure. One of the main advantages is that this methodology uses structural aspects and does not make it necessary to operate with – often rather arbitrary – statistical filters. We show that our aggregate NIRCU performs remarkably well as an indicator of inflationary pressure in a Phillips curve estimation.     

Seasonal U.S. beer demand: socio-economic determinants and relation with other products

This article employs quarterly U.S. state-level data from 2009 to 2015 to estimate the demand for beer. Other contributions of this work involve the incorporation of demographic factors and wine prices. Results show beer demand to be inelastic, and beer and wine to be substitutes. Further, males, whites, and blacks were, ceteris paribus, likely to have greater beer demand. The income effects, however, were mixed, showing some support for beer being a normal good.     

ESTIMATING PRODUCTIVITY GROWTH IN THE KOREAN ECONOMY WITHOUT RESTRICTIVE ASSUMPTIONS

This study eliminates the effects of markup, returns to scale, and capital utilization from the Solow residual (SR) for Korea to derive an alternative measure for productivity. Empirical results show that markup generates significant bias in the SR, and that the alternative productivity measure is greater than the residual. Furthermore, money supply Granger‐causes the SR but does not Granger‐cause the alternative measure, suggesting that the new productivity measure is consistent with the neutrality of money. The results contradict the presumption that the SR with variable capital utilization represents true technology shocks because it is orthogonal to demand shocks.(JEL C32, E32, O47)