Wage indexation and the unemployment-inflation trade-off

A variety of wage indexation schemes are analyzed in the context of a simple dynamic disequilibrium macroeconomic model. These indexation schemes include rigid money wages (zero indexation), rigid real wages (full indexation), and intermediate cases (partial indexation). In a situation of unemployment, aggregate demand increases produce the most desirable results under rigid money wages. In a situation of excess demand for labor, aggregate demand increases produce the least desirable effects under rigid money wages. Mixed indexation schemes, in which money or real wages are rigid downward, are also examined as are the effects of stop-go policies.     

Partial wage indexation with real shocks

This note analyzes wage indexation from a macroeconomic viewpoint. Its purpose is to examine when wage indexation should be partial in the presence of real shocks, and it shows how the conditions for this to be the case depend on the aggregate production function, the income velocity of money, and the labor supply.     

Optimal intensity targets for greenhouse gas emissions trading under uncertainty

Uncertainty is an obstacle for commitments under cap and trade schemes for emission permits. We assess how well intensity targets, where each country’s permit allocation is indexed to its future realized GDP, can cope with uncertainties in international greenhouse emissions trading. We present some empirical foundations for intensity targets and derive a simple rule for the optimal degree of indexation to GDP. Using an 18-region simulation model of a cooperative, global cap-and-trade treaty in 2020 under multiple uncertainties and endogenous commitments, we show that optimal intensity targets could reduce the cost of uncertainty and achieve significant increases in global abatement. The optimal degree of indexation to GDP would vary greatly between countries, including super-indexation in some advanced countries, and partial indexation for most developing countries. Standard intensity targets (with one-to-one indexation) would also improve the overall outcome, but to a lesser degree and not in all individual cases. Although target indexation is no magic wand for a future global climate treaty, gains from reduced cost uncertainty and the potential for more stringent environmental commitments could justify the increased complexity and other potential downsides of intensity targets.      

Partial inflation indexation and long-run inflation targeting in a growing economy: A comparison of Calvo and Rotemberg pricing models

The observed 2% long run inflation target in most developed industrial nations is in variance with the zero or negative optimal inflation rates predicted by prominent monetary theories. Using a calibrated simple New-Keynesian model with endogenous growth and nominal rigidity, we compare two price setting environments of Calvo (1983) and Rotemberg (1982). In our growth model, the steady state welfare maximizing inflation takes into account the growth effect as well as the price distortionary effects of inflation. The long-run welfare maximizing trend inflation could be positive in economies with nominal rigidity in the form of partial inflation indexation and price stickiness. A higher degree of inflation indexation lowers the steady state price distortion in the Calvo model and steady state price adjustment cost in Rotemberg model and raises the long run optimal inflation. Since the productive inefficiency caused by partial inflation indexation is higher in Calvo economy compared to Rotemberg, the long run optimal trend inflation is higher in Rotemberg than in Calvo. In both models, a two percent long run inflation target is attainable for a reasonable degree of inflation indexation.     

Implications of Economic Interdependence for Endogenous Wage Indexation Decisions

This paper shows how economic interdependence affects the indexation decisions of atomistic wage setters in an environment in which monetary authorities do not observe stochastic disturbances before making their policy choices. If stochastic disturbances are common across countries, interdependence has no effect on equilibrium indexation choices in identical countries. However, if disturbances are country specific, numerical simulations show that interdependence is likely to reduce equilibrium indexation choices relative to a small open economy. We also show that indexation choices may be either strategic complements or strategic substitutes, but that strategic complementarity becomes more likely as the degree of interdependence rises.     

Union objectives and indexation externalities in a monopolistically competitive economy

This paper extends the literature on indexation externalities by analyzing equilibrium and efficient indexation in a unionized economy characterized by a monopolistically competitive goods market. The assumption that union objectives relate to both employment and the real wage implies that union indexation decisions are associated with a negative externality and, as a consequence, the equilibrium degree of indexation is inefficiently high. This feature is characteristic of both passive and activist policy environments.     

指数型基金跟踪误差的实证分析

指数型基金是指采用指数化方式构建投资组合的基金,它与标的指数的选择密切相关.指数基金的构建有三大要素:标的指数、样本证券、权重分配,其目的是与标的指数之间的跟踪误差尽量小.虽然流动性、噪音、处置效应等均会影响指数基金的跟踪误差,但是,在一个较高有效性的市场中,指数型基金与标的指数间的跟踪误差要比新兴市场的小,这主要是因为该市场的流动性较好,成份股的选择有较大的余地.而在中国这样一个"新兴 转轨"市场中,指数基金往往会因为标的指数成份股数量不同而产生很大的差异,标的指数成份股越多,相对应指数基金的跟踪误差就越大;复制型基金完全复制策略下的跟踪误差要比增强型指数基金非完全复制策略下的跟踪误差要小;大额申购与赎回对指数基金跟踪误差产生明显影响.因此,指数型基金投资组合的构建应坚持被动投资,力避主动投资.     

Wage indexation and the monetary policy regime

We estimate a New Keynesian wage Phillips curve for a panel of 24 OECD countries and allow the degree of wage indexation to past inflation to vary according to structural characteristics. We find that the degree of wage indexation is significantly lower for countries with an inflation target. However, this effect vanishes when we control for the degree of goods market competition. By contrast, more goods market competition is consistently associated with lower wage indexation. This robust finding puts into question whether embedding a constant degree of wage indexation in standard DSGE models is truly structural.     

The effects of indexation of wage contracts on macro-economic stability

The paper develops a simple analytical framework in which the shortrun affects of wage indexation on the dynamic stability of inflation can be analyzed. It consists of a unlonized labor market faced by a competitive demand. Without indexation, the wage contract is based upon the union's prediction of the price level during the period of the contract. With indexation, the same objective is achieved by contracting only once at some initial period, subject to the stipulation that the nominal wage is linked to the price level. The main result is that when the demand for money is sensitive to changes in the expected rate of inflation, nominal variables like prices and wages are more likely to yield an unstable dynamic response with wage indexation, thus endangering the monetary system.     

Intergenerational consequences of gradual pension reforms

Balancing the government budget in an aging economy may require adjusting gradually pension benefits. Such policy change can take two forms: adjusting the accrual rate (the rate at which individuals built-up pension entitlements while working) or the indexation rate (the rate a which accrued entitlements are linked to nominal wage growth). We compare the consequences of such gradual policies across cohorts. We identify a fundamental generational trade-off between democracy and equality. In particular, we show that for Belgium, 80% of the population alive at the time of the reform prefers the accrual to the indexation reform, with the implication that the youngest half of the population would bear 85% of the total adjustment cost. The indexation reform provides more generational equality because the phasing in over time has larger base and thus benefit cut can be smaller per capita. We then consider other reforms improving the generational equality, showing that all those reforms fail to gain majority support. Finally, considering labor incentives, we show that the indexation reform is also more efficient than the accrual reform. Efficiency meets generational equality.     

The indexation of wages and bonds in Brazil

This paper analyses the dynamic relationship between the degrees of indexation of wages and public bonds in Brazil. A simple model is constructed to show that both degrees of indexation are determined simultaneously. We apply cointegration techniques and estimate error-correction representations to assess the temporal causality between them. Our results provide empirical support for the existence of simultaneity in the degrees of indexation in Brazil in the period 1980–93.     

Inertial inflation, indexation and price stickiness: evidence from Brazil

This paper evaluates the inertial inflation hypothesis for Brazil. The hypothesis posits that indexation created a feedback mechanism such that one-time supply shocks were fully transmitted into permanent changes in inflation. A theoretical model is used to show that this outcome is based on the assumption of perfect price flexibility. However, with price stickiness indexation does not produce inertial inflation. The degree of inertia is then compared for two periods: one without indexation (1945–1963), and one with indexation (1969–1985). Finally, vector-autoregressive representations are estimated for the latter period, allowing for price stickiness. The empirical results do not support the hypothesis.     

On optimal wage indexation when shocks are real

This note studies the optimal degree of wage indexation in the presence of real shocks. Contrary to what is indicated in the literature, it is demonstrated that the optimal degree of indexation is not limited to (0;1) but may take any value in (-∞;∞).     

The incidence and intensity of wage indexation: an empirical analysis

Variables suggested by theoretical studies of indexation are considered with a view to examining their utility in the context of the decision to index (incidence) and the desired degree of indexation when escalator clauses are put into effect (intensity). The Tobit model, which can address both of these issues, suggests that most of the effects of explanatory variables on the regressand occur by modifying the incidence of indexation, not its intensity. However, the Tobit model is itself rejected in favour of separate Probit and Truncated Regression investigations of incidence and intensity, respectively. The results obtained indicate that the standard list of explanatory variables, which one thinks of in the context of the theoretical literature as dealing primarily with intensity, perform well in explaining incidence but very poorly in accounting for the non-limit observations. The latter are influenced by bargaining power proxies such as the unemployment rate and union density; a very clear trade-off between indexed and non-contingent wage adjustment can also be discerned. These results call for more theoretical attention to the distinction between indexation incidence and its intensity.     

The Economic Situation

Throughout the first nine months of 1976 the Australian economy has remained virtually stagnant, with output and employment increasing only marginally and unemployment rising also. With the government following a severely contractionary policy in an attempt to break inflation the economy seems poised for a further modest downturn in the next nine months so that a self-sustaining recovery from the current recession does not seem to be in prospect before the second half of 1977. On the basis of existing policies our forecasts indicate a rate of growth of real GDP of only about 1.0 per cent in 1976–77, implying a further significant rise in unemployment during the financial year. There have been some hopeful signs in recent months of a reduction in inflation — the consumer price index increases in the first three quarters of 1976 were modest and wage rate increases remain closely in line with the wage indexation guidelines — but three factors have emerged to cast doubt on whether this improving trend will continue. The first is the effect of the recent drought on prices of foodstuffs, particularly meat, and the second is the expected 1.5 to 2.0 per cent increase in the consumer price index as a result of the changes in the method of financing hospital and medical services. These two factors mean that the December quarter increase in the consumer price index may be more than 5 per cent, threatening a further stimulus to inflation in 1977. Thirdly, present government policies could easily lead to a breakdown of the wage indexation system and a return to some form of collective bargaining over wage rates. Assuming nevertheless, a de facto continuation of partial indexation in 1977, we expect increases in male award wages and male average earnings of about 13 per cent during 1977, these increases being similar to those during 1975 and 1976 but much below the increases of 36 per cent and 28 per cent respectively recorded during 1974. Our forecasts also indicate increases in the consumer price index of 14 per cent during 1976 and 11 per cent during 1977, following increases of 16.3 per cent and 14.0 per cent during 1974 and 1975 respectively. These forecasts indicate that the government's fiscal, monetary, exchange rate and wage policies are likely to come under heavy challenge early in 1977, and decisions taken at that time are likely to be major determinants of economic developments in Australia in the next few years. The Institute would again urge a shift to a co-operative package including full wage indexation, with cuts in indirect taxes and public sector charges to wind down inflation and expand the economy. On current indications, labour productivity will be no higher in 1976–77 than in 1973–74, because of the weakness of total output, so that the whole burden of wage increases in that three year period has fallen on unit costs of production. It is our belief that the twin problems of inflation and unemployment will only be defeated in Australia when both cuts in indirect or direct taxes and increases in productivity are applied to reducing inflation in the context of an orderly system of wage and price determination.     

Wage indexation,migration, and unemployment

This article sets up a two-goods model with wage indexation and migrants. A dual labor market is introduced where the domestic workers receive an indexed wage while migrants receive a market-determined wage. The traded sector may be assumed to be unionized while the non-traded goods sector is non-unionized giving rise to flexible wages. This provides an example of segmentation and wage indexation. The wage indexation creates unemployment in the traded sector and the segmentation allows this unemployment to persist. The main results obtained are: sector-specific migration of labor may raise domestic welfare, while with capital accumulation such migration necessarily raises the relative price of the non-traded goods, leading to structural adjustment.     

PoJjcy and the Australian Economy, 1977

At the end of the first quarter of 1977 the available economic indicators, while as usual far from univocal, still give cause for serious concern about the health and direction of the Australian economy. With no significant expansionary factors operating in the economy in 1977 other than the revival in the mining industry and in some aspects of business investment, and the various arms of economic policy being set almost entirely in a restrictive stance, aggregate output would appear to be either flat or declining modestly at the present time. On the basis of a continuation of present policies we would anticipate growth in real non-farm GDP of only 2 to 3 per cent in both 1976–77 and 1977–78, with unemployment continuing to increase until well into 1978. Given the stimulus to inflation arising from the 1976 devaluation and from the wage effects of the Medibank changes, the rate of increase in the consumer price index would seem likely to be 14 to 15 per cent in 1977, even if a partial wage indexation policy could be sustained and whether or not a one quarter wage/price deferment comes into effect. But government pressure on the Arbitration Commission for a reduction in real wages has placed the wage indexation system in jeopardy, and there is now considerable uncertainty about the methods of wage fixation which will obtain in 1977–78. This article surveys some aspects of recent developments and considers some policy options available to the government.     

NOMINAL WAGE INDEXATION,QUASI‐EQUILIBRIA AND REAL WAGE DYNAMICS

In contrast to the traditional static approach to indexation, this paper analyses the dynamic consequences for real wages of the mechanism that links nominal wages to inflation. Revisiting a contribution by Dehez and Fitoussi on macroeconomic fluctuations , I analyse a monetary overlapping generations small open economy in which full indexation is interpreted as the occurrence of a dynamic ‘quasi‐equilibrium’. In the suggested framework, the nominal wage is linked to the inflation rate by a specific indexation formula whose shape relies on unions' bargaining positions. Assuming a constant peg for the real interest rate and the superneutrality of money, I show that the economy has a unique long‐run quasi‐equilibrium allocation whose stability depends only on the behaviour of the monetary authority. Moreover, I show how the operating of a ‘wage‐aspiration effect’ might lead to the persistence of involuntary unemployment.     

On the frequency of wage indexation

This paper analyzes the optimal frequency of wage indexation. It demonstrates that a change in the expected value of money does not affect the optimal frequency, but that an increase in the riskiness of the value of money leads to an increase in the optimal frequency. An increase in the worker's risk aversion also leads to an increase in the optimal frequency, while an increase in the cost of indexation leads to a decrease in the optimal frequency.     

Indexation of UNCTAD core commodity prices by buffer stocks or export quotas?: A comparison of the benefits for two developing economies

General equilibrium models are used to study the resource allocative and income implications for the Ivory Coast and Kenya of indexation of agricultural commodity prices. Two indexation methods are investigated, (i) buffer stock transactions, and (ii) export quota entitlements. The results suggest that there are efficiency losses associated with the buffer stock option which reduce the GDP gains below that indicated by the pure terms of trade gains. Efficiency gains associated with the export quota method however result in GDP increases above those indicated by the pure terms of trade gains.