the structure of unemployment we test for a unit root in postwar unemployment rates for sixteen oecd countries when a one time structural break is incorporated the unit root hypothesis can be rejected for most of the countries and the measured persistence of unemployment falls dramatically we then test for multiple structural changes and find evidence of one or two breaks for those countries for which the unit root hypothesis could be rejected almost all of the breaks are positive reflecting the sustained rise in european unemployment the major exception is the united states where long term unemployment rose in the 1970s and fell in the 1980s

the output composition puzzle a difference in the monetary transmission mechanism in the euro area and u s we revisit recent evidence on how monetary policy affects output and prices in the u s and in the euro area the response patterns to a shift in monetary policy are similar in most respects but differ noticeably as to the composition of output changes in the euro area investment is the predominant driver of output changes while in the u s consumption shifts are significantly more important we dub this difference the output composition puzzle and explore its implications and several potential explanations for it while the evidence seems to point at differences in consumption responses rather than investment as the proximate cause for this fact the source of the consumption difference remains a puzzle

a re evaluation of the relation between wages and unemployment in the united kingdom this paper examines the long run or equilibrium relationship between wages prices and the unemployment rate in the united kingdom using annual data covering the period 1860 1999 using johansen s maximum likelihood method of testing for cointegration two long run relations are found in a small system of four variables the first relation depicts the co movement of the level of real wages adjusted for productivity together with the unemployment rate and the rate of inflation the second relation shows the co movement between the rate of inflation and deviations of productivity from its trend growth

welfare reform and unemployment in new zealand in the early 1990s new zealand cut benefits and tightened eligibility criteria under its main social welfare programmes these benefit changes varied substantially across both time and demographic groups synthetic panel data are used econometrically to isolate the effects of these reforms on several dimensions of unemployment behaviour a simple theoretical model suggests that cutting benefits could either increase or decrease excess labour supply our results indicate that these reforms increased the official unemployment rate by nearly one quarter of a percentage point but significantly reduced broader measures of economic inactivity or the under utilization of labour in the new zealand economy

further evidence on business cycle asymmetries in g7 countries this paper tests for business cycle symmetry in g7 countries during the post world war ii period using a number of tests each reflecting alternative definitions of business cycle asymmetry the tests are applied to monthly coincident economic indicators of business cycles this found that business cycles in the us are characterized by both longitudinal deepness and transversal steepness and sharpness asymmetries further it is found that asymmetric transition probabilties and time irreversibility are due to nonlinearities on the contrary business cycles in germany exhibits a symmetric behaviour between these extremes are the other countries for which at least one of the tests here considered rejects the null of cyclical symmetry particularly business cycle is characterized by deepness and sharpness in canada asymmetry in persistence in france and japan and asymmetric transition probabilities in france and united kingdom

price and quantity adjustments in the austrian labour market austria is among the very few countries in the european union which have managed to maintain comparatively low unemployment rates and high employment rates this study looks at the price and quantity adjustment mechanisms in the austrian labour market which may have contributed to this favourable outcome after reviewing briefly the basic theoretical reasoning an empirical investigation is began into gross flow dynamics in the labour market and the cyclical volatility of employment and unemployment in austria in international comparison austrian unemployment is very stable over the business cycle this is due mainly to the high sensitivity of the labour force on cyclical conditions and partly also on the relatively weak responsiveness of employment to cyclical fluctuations in output the latter being possibly attributable to the high degree of real wage flexibility in austria the study proceeds to show that the long run elasticity of wages with respect to unemployment is indeed quite high in austria

asymmetric time series and temporal aggregation the detection of nonlinearities could depend on the sampling frequency asymmetric monthly series may become symmetric when aggregated to quarterly or annual frequencies we test against nonlinearity using the nonlinear autoregressive asymmetric moving average arasma model which nests the linear arma model as a special case using monthly quarterly and annual swedish unemployment series we find support for symmetry linearity in the annual series but not in the monthly and quarterly series

long term unemployment the invention of hysteresis and the misdiagnosis of structural unemployment in the uk this paper investigates the empirical basis for the belief that unemployment makes people less employable and that the existence of a pool of long term unemployed people is therefore in itself a barrier to full employment drawing on data for great britain from the 1940s to the present day it shows that this idea has arisen through misinterpretations of the statistical evidence the resulting policies besides diverting resources from the demand side pro grammes appropriate to the true situation of structural unemployment appear to have created a problem of the kind they were intended to address by encouraging unemployed people to move onto sickness benefits

from welfare to work does the neighborhood matter abstract this paper investigates whether individual transition rates from welfare to work are influenced by neighborhood effects we use a unique administrative database on welfare recipients in rotterdam the second largest city of the netherlands we find that conditional on personal characteristics there is a negative relationship between the neighborhood unemployment rate and the transition rate from welfare to work of young dutch welfare recipients we do not find any neighborhood effects for older dutch welfare recipients and non dutch welfare recipients when performing some sensitivity analyses this result is robust to different specifications

targeting assistance to the poor efficient allocation of transfers when household income is not observed abstract this paper examines the problem of how to transfer money or other forms of assistance to poor households when one observes some characteristics of households but not their incomes this and related issues are often referred to as the targeting problem the paper first sets out the problem formally as one of minimizing a poverty index given a fixed amount of money available for transfers assuming that household survey data are available which include accurate income and or expenditure information the solution for the problem is formulated as a non linear mathematical programming exercise using household survey data from cote d ivoire the technique is applied to both urban and rural areas separately the paper concludes with a general discussion and suggestions for future research

a note on unemployment and capital tax competition abstract we introduce a labor market imperfection into the capital tax competition literature to study the equilibrium tax formulae and their efficiency in the presence of unemployment since we allow for labor market imperfection the standard conclusions of the tax competition literature would be generalized in the case of non full employment our first result shows that even when head taxes on immobile residents are available the optimal capital tax rate for jurisdictional governments is not zero our second finding is that decentralized equilibrium might be characterized by the overprovision of local public goods when the labor market is imperfect

punitive sanctions and the transition rate from welfare to work in the netherlands the average exit rate out of welfare is dramatically low most welfare recipients have to comply with guidelines on job search effort that are imposed by the welfare agency if they do not then a sanction in the form of a temporary benefit reduction can be imposed this article investigates the effect of such sanctions on the transition rate from welfare to work using a unique set of rich register data on welfare recipients we find that the imposition of sanctions substantially increases the individual transition rate from welfare to work

global impact of uncertainties in china s gas market abstract this paper examines the uncertainties in chinese gas markets analyze the reasons and quantify their impact on the world gas market a literature review found significant variability among the outlooks on china s gas sector further assessment found that uncertainties in economic growth structural change in markets environmental regulations price and institutional changes contribute to the uncertainties the analysis of china s demand and supply uncertainties with a world gas trading model found significant changes in global production trade patterns and spot prices with pipeline exporters being most affected china s domestic production and pipeline imports from central asia are the major buffers that can offset much of the uncertainties the study finds an asymmetric phenomenon pipeline imports are responding to china s uncertainties in both low and high demand scenarios while lng imports are only responding to high demand scenario the major reasons are higher top levels and the current practice of import only up to the minimum top levels for lng as well as a lack of liberalized gas markets the study shows that it is necessary to create lng markets that can respond to market dynamics through either a reduction of top levels or change of pricing mechanisms to hub indexation

urban unemployment in the eu tertiary sector employment growth and urban size the paper uses regio data to study recent change in unemployment in major urban areas of europe previous results suggested a significant role for tertiarisation in employment and a systematic ass

panel tests of okun s law for ten industrial countries donald g freeman i introduction okun s law describes an empirical regularity between unemployment and real output growth each extra percentage point in the unemployment rate above four percent i e full employment has been associated with about a three percent decrement in real gnp okun 1962 9 1 okun s law has proved to be one of the more durable relationships in modern macroeconomics and is now often presented as an element of core beliefs as in textbooks by hall and taylor 1993 77 and in policy discussions by blinder 1997 durability and simplicity being relatively scarce commodities in macroeconomics okun s law is appealing as a shorthand guide to policy outcomes whether okun s law travels well is another question cross country comparisons of the relationship between unemployment and output have been estimated for other countries by knoester 1986 paldam 1987 and moosa 1997 among others but magnitudes vary depending on country and time period estimates in these papers of the increase in output growth associated with unemployment reduction of one percent range from a low of around two percent in the u s and canada to three to five percent in europe to more than 10 percent in japan with estimates for europe tending to be higher for more recent time periods because of the way that okun s law is framed tests of its proposition involve two imposing empirical problems first as usually stated the law refers to the relationship between departures of real gdp 2 and unemployment from their long run or equilibrium trends often referred to as potential gdp and the natural rate of unemployment respectively these equilibrium trends must be estimated either by time series methods as in moosa 1997 or by construction using a modified production function approach in which potential output is estimated using fully employed inputs as in gordon 1984 or adams and coe 1989 either of these fapproaches invites considerable criticism of assumptions and methods see for example the comments of clark 1984 and of baily 1984 on gordon 1984 second in formulating his law okun seems clearly not to be referring to a ceteris paribus relationship between changes in the unemployment rate and changes in real gdp writing later okun posited that other factors and inputs would be changing pari passu with employment the 3 percent result from a reduction of one percent in the unemployment rate implies that considerable output gains in a period of rising utilization rates stem from some or all of the following induced increases in the size of the labor force longer average weekly hours and greater productivity okun 1970 p 140 thus a complete specification of the effect of changing unemployment rates on output would include factors such as capital inputs labor hours and participation rates all measured as deviations from long run trends this article addresses these two obstacles by using a recent trend cycle decomposition developed by baxter and king 1999 to measure gaps in output unemployment capital stock and the labor force the baxter king bandpass filter extracts the trend component of economic time series by eliminating both high frequency those less than two years and low frequency more than eight years components it is both flexible and easy to implement by using the bandpass filter to filter all the time series using the same methodology this paper departs from previous research of prachowny 1993 and attfield and silverstone 1997 incorporating capital and labor to augment estimates of okun s law additionally using the bandpass filter allows the estimates in this article to incorporate more timely data reflecting the shift to lower levels of unemployment in the u s and higher levels of unemployment in europe and japan during the 1990s the latest year of observation for the constructed data sets of gordon and of adams and coe used for example by prachowny 1993 and attfield and silverstone 1997 is 1988

china s natural gas resources production and its impacts abstract in order to achieve energy consumption targets and subsequently reduce carbon emissions china is working on energy strategies and policies aimed at actively increasing the consumption of natural gas the lowest carbon energy of the fossil fuels and to enhance the proportion of gas in total primary energy consumption to do this it is a necessary prerequisite that china must have access to adequate gas resources and production to meet demand this paper shows that the availability of domestic gas resources are overestimated by china s authorities due to differences in classification and definitions of gas resources reserves between china and those accepted internationally based on official gas resource figures china s gas production remains low with respect to the projected demand and will only be 164 6 bcm in 2020 far lower than the 375 bcm of forecast demand the gap between gas production and demand will reach 210 4 bcm by 2020 existing plans for the importation of gas and the development of unconventional gas will not close this gap in the next 10 years and this situation will therefore present a severe challenge to china s gas security achievement of targets in improving energy consumption structure and reducing carbon emissions

land contingent poverty alleviation schemes abstract target groups for rural poverty alleviation schemes in south asia and elsewhere have often been identified in terms of their landholding class with landless or near landless households being the intended beneficiaries this paper offers a quantitative approach to the analysis and design of land contingent poverty alleviation schemes an application to bangladesh suggests that when income is generally unobserved landholding class is a good instrument for targeting poverty relief in that it is strongly correlated with the informationally feasible allocations which minimize aggregate poverty for a given budget it is however far from being a perfect instrument even under otherwise ideal conditions the maximum feasible reduction in poverty which is attainable by relying solely on land based targeting is substantially less than that attainable with perfect income information indeed the poverty alleviation impact of domestically financed and revenue neutral transfers across 10 landholding classes in rural bangladesh could also be achieved without targeting by simply giving every household a lump sum payment equivalent to 10 of mean rural income political restrictions on tax powers or errors made in administration will further reduce the gains from land contingent targeting greater impact on poverty for a given budgetary cost will require more precise targeting within landholding classes

what drives unemployment disparities in european regions a dynamic spatial panel approach abstractwhat drives unemployment disparities in european regions a dynamic spatial panel approach regional studies this study analyzes unemployment differentials in european regions during the period 2000 11 to that end a theoretical model with substantive spatial interactions among regions is developed the solution implies a dynamic spatial durbin model specification including regional and institutional level factors as explanatory variables in conjunction with dynamic spatial panel estimates relative importance metrics are used to quantify the effect of regional disequilibrium equilibrium and national level factors relative importance analysis suggests that during the pre crisis period unemployment disparities were mainly driven by regional level equilibrium factors nevertheless labour market institutions are of major importance to explain increasing disparities during 2009 11

a phillips curve interpretation of error correction models of the wage and price dynamics this paper presents a model of employment distribution and inflation in which a modern error correction specification of the nominal wage and price dynamics referring to claims on income by workers and firms occupies a prominent role it is brought out explicitly how this rather typical error correction setting which actually seems to capture the wage and price dynamics of many large scale econometric models quite well is fully compatible with the notion of an old fashioned phillips curve with finite slope it is shown how the steady state impact of various shocks to the model can be profitably conceived of and interpreted in terms of and to some extent even calculated by means of this long run phillips curve copyright the author 2008 published by oxford university press on behalf of the cambridge political economy society all rights reserved oxford university press

emu and labour market reform needs incentives and realisations despite improving labour market conditions in recent years a number of emu countries still suffer from high and persistent unemployment it could therefore be expected that labour market reform would be given a prominent position on the political agenda the new constraints associated with the common monetary policy only increase the pressure for reform relying on the introduction of the single currency as a trigger for labour market reform may be a risky strategy emu generates a complex set of re optimising strategies of the players on the labour market which makes it difficult to get a clear idea what impact it will have on labour market reform evaluation of recent reform measures does not make one confident either the empirical analysis confirms to some extent the idea that countries with higher unemployment rates have carried out more labour market reform this finding holds however only for countries that do not belong to emu emu countries have on average carried out no more reform than countries outside emu and any link between the initial unemployment level and the labour market reform indicators seems to lack it may become apparent that more reform is needed once the macroeconomic environment becomes more unfavourable

union power policy making and unemployment in western europe 1972 1993 most recent research on the relationship between trade unions and unemployment focuses on the size and structure of trade union movements and argues either that strong unions are bad for unemployment due to their effect on wages or that encompassing unions are good for unemployment because their wage setting behavior takes economic externalities into account this article reports the results of testing the more political hypothesis that trade union influence on government economic policy is important in leading to lower unemployment via the implementation by governments of more vigorous anti unemployment policies than would otherwise be used a pooled time series analysis provides support for this theory in revealing that union influence as indicated by a newly developed measure of union participation in economic policy making was consistently associated with lower unemployment over a range of 13 west european countries during the period 1972 to 1993

estimating the natural rate of unemployment and testing the natural rate hypothesis how should one measure the natural rate of unemployment this paper proposes a systems procedure as an alternative to nairu the natural rate is treated as an unobserved state variable in a system that includes measurement equations for the unemployment rate the rate of wage growth and the rate of inflation the model is derived from a version of the wage bargaining model of blanchard and embodies a version of the natural rate hypothesis the model is estimated by embedding the kalman filter within the full information maximum likelihood procedure for us data the estimated model implies substantial post war variation in the natural rate and a negative but weak effect of inflation surprises on unemployment copyright 1999 john wiley sons ltd

unemployment equilibria and input prices theory and evidence from the united states the paper develops an efficiency wage model where input prices affect the equlibrium rate of unemployment we show that a simple framework based on only two prices the real price of oil and the real rate of interest is able to explain the main post war movements in the rate of u s joblessnss the equations do well in forecasting unemployment many out of sample and provide evidence that the oil price spike associated with iraq s invasion of kuweit appears to be a component of the mystery recession which followed

complex business cycles and recurrent unemployment in a non walrasian macroeconomic model abstract in a dynamic non t tonnement macroeconomic model trades take place in each period even when prices are not walrasian prices are adjusted between trading periods according to the intensity of disequilibrium a reliable measure of which is obtained by means of stochastic rationing the degree of downward nominal wage stickiness as well as government policy parameters are decisive for the dynamics that emerge in particular it is possible for the economy to converge to quasi stationary states involving permanent unemployment and decreasing nominal wages or to produce complex business cycles with structural features recurrent over time but varying and unpredictable shape and size

the relationship between unemployment and vacancies in australia the paper addresses the existence of an equilibrium unemployment vacancies uv relationship in australia cointegration test results suggest that no bivariate long run uv relationship exists moreover this finding fails to support the basic model of labour job search however a modified beveridge curve is proposed where it is found that a number of trivariate equilibrium relationships exist between unemployment vacancies and one other variable the replacement ratio the proportion of long term unemployed or the real wage the existence of an equilibrium relationship in the multivariate framework is due to the endogenous modelling of the un employment flows which are assumed to be exogenous in the bivariate framework of the beveridge curve

an empirical equilibrium job search model with continuously distributed heterogeneity of workers opportunity costs of employment and firms productivities and search on the job in this paper we present and estimate a synthesis of previous equilibrium search models allowing for continuous distributions of workers opportunity costs of employment as wellas firms productivities the model allows for on the job search and we assume that job offer arrival rates for workers are independent of their labormarket state we derive the theoretical implications of these assumptions we provide simulations and we develop a semi parametric estimation procedure that we apply to a dataset ofindividual labor market histories

the political economy of the neoliberal transformation of french industrial relations the author advances the literature on the role of the state in the decentralization of industrial relations in france by providing a political economic analysis of right and left backed governments in recent decades while both have pursued reforms to reduce regulation and to increase labor market flexibility they have used the state apparatus in different ways to achieve these goals the right has reformed labor law by obtaining partial support from employers associations and unions the social partners the left by contrast has relied on decentralized bargaining with the social partners because its political base would not have accepted flexibility increasing legal reforms the author examines critical episodes of reform in collective bargaining unemployment insurance and employment protection laws to show how the state has intervened in different ways depending on the political identity of the governing coalition

prices productivity and wage bargaining in open economies according to the standard union bargaining model unemployment benefits should have big effects on wages but product market prices and productivity should play no role in the wage bargain we formulate an alternative strategic bargaining model where labour and product market conditions together determine wages a wage equation is derived and estimated on aggregate data for four nordic countries wages are found to depend not only on unemployment and the replacement ratio but also on productivity international prices and exchange rates there is evidence of considerable nominal wage rigidity exchange rate changes have large and persistent effects on competitiveness

combining light monitoring surveys with integrated surveys to improve targeting for poverty reduction the case of ghana policymakers use poverty maps to design and assess poverty programs the accuracy of these maps which is critical for targeting depends largely on the nature of the instrument used to construct them recently in response to tight budget constraints many countries have begun to construct poverty maps based on light monitoring surveys that rely on short questionnaires this article shows that poverty maps constructed from such surveys are not accurate and could result in substantial leakage light monitoring surveys do include large samples that can help to target poverty programs at sub regional levels combining these surveys with more detailed integrated surveys can help researchers reduce targeting errors significantly and build improved poverty maps with finer levels of disaggregation

unemployment dynamics across oecd countries abstract the european community and the us have experienced vastly different unemployment dynamics over the last two decades this paper investigates whether these differences are due to exposure to different shocks or reacting differently to the same shocks with the premise of a search theoretic framework and a structural var methodology the paper robustly identifies aggregate versus reallocative shocks with the exception of spain where most of the dynamics seem to be driven by reallocation it is found that most differences in unemployment dynamics arise because of differences in responses to shocks in particular the us labour market is quicker to adjust than the european community this implies that eec economies might be dynamically sclerotic even if the size of the steady state labour market flows give the impression that european labour markets are quite active various identifying assumptions additional labour supply shocks and different variables are used yet the results appear robust

unemployment dynamics in britain we examine the inter related dynamics of the unemployment flows and stock our model allows them to be linked through the standard accounting identity but also through behavioural relationships we find that for the uk the bulk of the correlation between duration and the unemployment stock arises from the dependence of duration on unemployment taking careful account of the inter temporal identity outflow shocks have contributed little to the evolution of unemployment since the late 1960s given that the correlation of duration and unemployment arises from the behavioural relationship we show that unemployment dynamics arise mostly from shocks to the inflow unemployment remains one of europe s more pressing economic and social problems as highlighted in the eu s lisbon declaration of 2000 a dynamic approach to unemployment starts from the recognition that unemployment is a stock and changes through shocks to the outflow and inflow the research and policy focus has generally been on the outflow process or equivalently unemployment duration a glance at figure 1 shows why this might be so it reveals a very strong co movement of the unemployment rate and the proportion of the unemployed out of work for a year or more analysts have used data like this to argue that the source of unemployment fluctuations has been changes in the outflow process 1 possibly as a consequence of this most policies directed at reducing unemployment focus on improving the search effectiveness and employability of the currently unemployed the unemployment flows and stock are related in quite complex ways and in this paper we focus on these inter related dynamics the model we use allows them to be linked in two ways first there is the simple accounting relationship whereby shocks to the flows accumulate in the stock second search and matching models suggest behavioural relationships of the flows depending on unemployment the presence of the nonlinear accounting identity in the model makes the analysis of the joint system problematic so we proceed sequentially investigating first one link and then the other we find that for the uk the bulk of the correlation between duration and the unemployment stock displayed in figure 1 arises from the dependence of the former on the latter we find a strong dependence of the outflow rate on unemployment taking careful account of the inter temporal identity on the other hand outflow shocks have contributed little to the evolution of unem

the price and income elasticity of china s natural gas demand a multi sectoral perspective abstract natural gas as a clean low carbon energy will play an important role in the world s low carbon energy transformation in this paper research on the elasticity of natural gas demand is surveyed and it is found that the price and income elasticities of natural gas demand in different sectors are distinctive in particular this paper constructs an autoregressive distribution lag model to study the elasticity of natural gas demand in various sectors of china the results show that except for the residents sector the long run price elasticity of natural gas demand in other sectors is greater than 0 which is contrary to the estimates of developed countries the demand for natural gas is complementary to coal in industrial and power generation sectors which is also different from developed countries the elasticity of natural gas demand in residents sector is lack in price elasticity but abundant in income elasticity which is similar to the developed countries the results also shows that natural gas and oil are substitutes for each other in the transportation sector and natural gas and coal are substitutes for each other in service sector

small system modelling of real wages inflation unemployment and output per capita in italy 1970 1994 the relationships between real wages output per capita inflation and unemployment in italy between 1970 and 1994 are modelled using a cointegrated vector autoregression there is evidence of a change in the underlying equilibria and in the dynamic evolution of the variables probably associated with the substantial changes in many sectors of the italian economy after 1979 alternative ways to model structural change in the italian labour market are considered in adopting a split sample approach the results favour an hysteresis interpretation of unemployment

does active labour market policy increase employment theoretical considerations and some empirical evidence from sweden does active labour market policy increase employment theoretical considerations and some empirical evidence from sweden

intertemporal labour supply with search frictions starting in the 1970 s wage inequality and the number of hours worked by employed u s prime age male workers have both increased we argue that these two facts are related we use a labour market model with on the job search where by working longer hours individuals acquire greater skills since job candidates are ranked by productivity greater skills not only increase worker s productivity in the current job but also help the worker to obtain better jobs when job offers become more dispersed wage inequality increases and workers work longer hours to obtain better jobs as a result average hours per worker in the economy increase this mechanism accounts for around two thirds of the increase in hours observed in data part of the increase is inefficient since workers obtain better jobs at the expense of other workers competing for the same jobs copyright oxford university press

a new data set measuring income inequality this article presents a new data set on inequality in the distribution of income the authors explain the criteria they applied in selecting data on gini coefficients and on individual quintile groups income shares comparison of the new data set with existing compilations reveals that the data assembled here represent an improvement in quality and a significant expansion in coverage although differences in the definition of the underlying data might still affect inter temporal and international comparability based on this new data set the authors do not find a systematic link between growth and changes in aggregate inequality they do find a strong positive relationship between growth and reduction of poverty

in search of economic well being worker power and the effects of productivity inflation unemployment and global trade on wages in ten wealthy countries theory the theory addresses the forces that determine the real wages which workers receive it is proposed that in the free market system worker power plays a crucial mediating role between economic considerations involving labor supply and productivity and the real wages available to workers in the economy hypotheses in moderate and weak worker power countries real wages will vary inversely with the labor supply in terms of domestic unemployment and international trade in strong worker power countries real wages will vary with changes in productivity and inflation methods separate regression analyses are developed for 10 countries varying in their level of worker power over a 30 year time frame results in moderate and weak worker power countries changes in real wages were best predicted by levels of unemployment and changes in global trading in strong worker power countries changes in real wages were best predicted by changes in productivity and inflation although in one case of a strong worker power country a significant positive association occurred between global trading and real wages

is china s natural gas market globally connected abstract the rise of the shale gas industry and the need for clean low carbon energy transformation in china has meant that the relationship between domestic and foreign natural gas markets has become closer therefore identifying the changing relationships between the major global natural gas markets and china s natural gas market has important practical value for the current chinese domestic natural gas pricing system this paper used the dcc garch nardl ardl ecm as the analytical framework to study these relationships from which it was found that there was no unified global natural gas market and that china s natural gas market was not yet aligned with this market it was shown that there was no significant asymmetry in the impact of international gas prices on china s gas prices as no flexible adjustment measures were found in china s imported natural gas pricing mechanism moreover while international natural gas prices were found to have a significant impact on china s natural gas prices over the long term there were obvious regional differences over the short term accordingly new pricing policies should be designed to promote market oriented natural gas pricing reforms in acknowledging features such as asymmetry the difference between imported gas sources and the periodicity of price adjustment

unemployment and the labour management conspiracy we study a model in which management and a union bargain sequentially first choosing a rule that will later determine the level of employment and then choosing a wage the government then chooses an output or an employment subsidy an exogenous natural turnover rate in the unionized sector creates unemployment whenever the union wage exceeds the competitive wage government intervention can increase both the equilibrium amount of unemployment and worsen the intersectoral allocation of labour because of the induced change in the endogenous wage unemployment weakens but does not eliminate the possibility of a labour management conspiracy

unemployment insurance and the business cycle an equilibrium model is developed to study the interaction of the business cycle unemployment insurance and the labor market for young men in canada the model combines optimal job oer layo and recall decisions within a numerically solved and restricted bayesian nash equilibrium we consider the long run implications of changes made to unemployment insurance in canada during the 1990s the changes lead to equilibrium increases in average rates of unemployment layos and recalls eliminating ui lowers the equilibrium unemployment

general equilibrium macroeconomic models of unemployment can they explain the unemployment path in the oecd several theories which seek to explain the high and apparently persistent unemployment in the oecd countries over the past two decades have arisen within the framework of imperfections in the goods and labour markets probably the most prominent theories within this class of models are the general equilibrium models of phelps 1994 layard and nickell 1986 and layard et al 1991 labelled structuralist theories of unemployment by phelps 1994 common to the structuralist theories is that the low frequency movements in unemployment or the nairu are determined by structural variables such as unemployment benefits taxes real interest rates etc however the high frequency movements in unemployment are determined by wage and price surprises and in the layard and nickell 1986 model also by cyclical mark ups employment is entirely determined by the firms willingness to supply and the firms are never sales constrained by contrast the general equilibrium model of sarantis 1993 which is in post keynesian spirit suggests that unemployment on all frequencies is mainly an outcome of demand side factors in this model imperfections in the goods and labour markets are less important determinants of unemployment in this paper i estimate the extent to which the models of phelps 1994 layard and nickell 1986 henceforth l n and sarantis 1993 are able to explain the unemployment path of the oecd countries using annual data over the period 1960 to 1993 the theoretical set up of the models is presented in section 1 and the empirical estimates are set out in section 2

credit market imperfections and persistent unemployment abstract this paper develops the thesis that credit market frictions may be an important contributor to high unemployment in europe when a change in the technological regime necessitates the creation of new firms this can happen relatively rapidly in the u s where credit markets function efficiently in contrast in europe job creation is constrained by credit market imperfections so unemployment rises and remains high for an extended period the data show that there has not been slower growth in the most credit dependent industries in europe relative to the u s but the share of employment in these industries is lower than in the u s this suggests that although credit market imperfections are unlikely to have been the major cause of the increase in european unemployment they may have played some role in limiting european employment growth

analysis of resource potential for china s unconventional gas and forecast for its long term production growth abstract china is vigorously promoting the development of its unconventional gas resources because natural gas is viewed as a lower carbon energy source and because china has relatively little conventional natural gas supply in this paper we first evaluate how much unconventional gas might be available based on an analysis of technically recoverable resources for three types of unconventional gas resources shale gas coalbed methane and tight gas we then develop three alternative scenarios of how this extraction might proceed using the geologic resources supply demand model based on our analysis the medium scenario which we would consider to be our best estimate shows a resource peak of 176 1 billion cubic meters bcm in 2068 depending on economic conditions and advance in extraction techniques production could vary greatly from this if economic conditions are adverse unconventional natural gas production could perhaps be as low as 70 1 bcm peaking in 2021 under the extremely optimistic assumption that all of the resources that appear to be technologically available can actually be recovered unconventional production could amount to as much as 469 7 bcm with peak production in 2069 even if this high scenario is achieved china s total gas production will only be sufficient to meet china s lowest demand forecast if production instead matches our best estimate significant amounts of natural gas imports are likely to be needed

hysteresis in unemployment unemployment has risen sharply in a number of countries and it appears to be becoming more persistent the experience of the 1970s and 1980s showed that adverse unemployment shocks could have long lasting effects with very serious economic and social consequences a key mechanism producing these adverse consequences was hysteresis in unemployment whereby temporary rises in unemployment generated by supply and or demand shocks had permanent or at least very persistent effects clearly it is important to understand how hysteresis mechanisms might operate in order to avoid such adverse outcomes on the other hand experience during the subsequent two decades showed that under more favourable macroeconomic conditions it is possible to observe good hysteresis effects now is a very appropriate time to re visit the issue of hysteresis in unemployment in order to avoid the errors of the 1970s and 1980s and if possible to get hysteresis effects working in a positive direction copyright 2011 oxford university press

exploring the political economy of labour market institutions labour markets how reforms took place many economists argue that the european unemployment problem relates to large labour market rigidities this paper argues that many of those inflexibilities and the underlying institutional regulations can be understood as the outcome of political influence by incumbent employees this is because many policies that increase unemployment actually benefit these insiders an empirical investigation of the determinants of labour market institutions demonstrates that the observations are consistent with this view the findings imply 1 higher exposure of the employed to unemployment facilitates a reduction in the level of employment protection 2 unemployment benefits are lower the more employment reacts to wages 3 a higher level of unemployment and the existence of a right wing government slow down the growth rate of the minimum wage giles saint paul

cross national differences in the rise in earnings inequality market and institutional factors this paper uses data from the luxembourg income study to explore the role of differences in supply shifts in explaining cross national differences in the rise in earnings inequality changes in returns to age and education are estimated for eight countries using a common specification of earnings functions across years and countries we find that the small overall increase in earnings inequality in many countries reflects large but offsetting changes in returns to skill and changes in inequality within age education cells furthermore these differences in returns to skill can largely be explained by differences in supply shifts

estimating unemployment inflows outflows and long term unemployment in britain using the cointegration approach a model is estimated of flows into and out of unemployment using the johansen multivariate cointegration approach and uk data for the period 1974q4 to 1993q3 two long run equilibrium relationships are obtained covering the outflow rate and unemployment duration which include variables such as the replacement ratio structural change and output a unique feature of the model is that it allows the inflow rate to determine the outflow rate and vice versa this is argued to be important given the common european stylized fact that inflows and outflows are both countercyclical and strongly correlated thus if firms and workers are heterogeneous hiring and firing is contemporaneous necessitating the type of model estimated here some interesting results include the finding that output is not important in determining the outflow rate and that the speed of adjustment of the outflow rate to changes in its underlying equilibrium is slow in contrast the proportion of long term unemployed is positively re

labor supply and targeting in poverty alleviation programs the introduction of variable labor supply raises some fundamental issues in analyzing the targeting of poverty alleviation programs in developing countries it forces a reconsideration of the standard objective function which is based on income or expenditure and so makes no allowance for the effort made in earning that income the authors show that alternative views on the appropriate valuation of effort have very different implications for commodity based targeting rules they also establish a benchmark for marginal effective tax rates inclusive of benefit withdrawal in income tested schemes and show that indicator targeting rules may also have to be modified significantly when labor supply responses are recognized

forecasting natural gas supply in china production peak and import trends china s natural gas consumption has increased rapidly in recent years making china a net gas importer as a nonrenewable energy the gas resource is exhaustible based on the forecast of this article china s gas production peak is likely to approach in 2022 however china is currently in the industrialization and urbanization stage and its natural gas consumption will persistently increase with china s gas production peak china will have to face a massive expansion in gas imports as the largest developing country china s massive imports of gas will have an effect on the international gas market in addition as china s natural gas price is still controlled by the government and has remained at a low level the massive imports of higher priced gas will exert great pressure on china s gas price reform

impacts of unconventional gas development on china s natural gas production and import abstract china has become a net importer of natural gas as a result of rapidly increasing consumption in recent years a production peak would exist since natural gas is an exhaustible resource as conventional natural gas production peak approaches the development of unconventional natural gas is attracting increasing attention china s unconventional natural gas reserves are abundant but exploration is still in its infancy stage thus with the increasing quest for low carbon development and china s natural gas price reform studying the impacts of unconventional gas development on china s natural gas supply and price reform under different scenarios has practical significance in this paper we predict china s natural gas production trends in different scenarios and forecast natural gas demand this paper concludes that the exploitation of unconventional natural gas will greatly improve china s annual natural gas production and delay the production peak year this is important for china s natural gas supply security as it can decrease dependence on imported gas furthermore as the cleanest fossil fuel it will enable more time and space for renewable energy development given the many costs and controversies surrounding its development in china

unemployment questions and some answers in more or less every country in the oecd unemployment was lower in the decades following the second world war than in any other period of comparable length either before or since for example in britain unemployment has exceeded 5 in every peacetime decade from 1850 onwards except for the 1950s and 1960s alternatively as we can see in table 1 p 779 average unemployment in the 1980s and 90s is higher generally much higher than in the 1960s in every country considered why this is so is one of the questions which underlies this paper a second question which is also illustrated in the unemployment numbers presented in table 1 p 779 concerns the causes of the enormous variation in unemployment rates across the oecd countries as we shall see these are difficult questions the first in particular is one for which we do not have a complete answer by this i do not mean that we do not have theories which are broadly consistent with these numbers in fact we have theories consistent with more or less any numbers what we lack is a satisfactory empirical explanation of the time series pattern of oecd unemployment in what follows we remain focused on these two questions first considering the theoretical background and then looking at some possible answers we finish with some speculative conjectures on the first question

theory ahead of language in the economics of unemployment this paper discusses from the perspective of modern theories of unemployment several unemployment concepts that have been used over the years it argues that many of these concepts are of limited value and are dominated by a few simple concepts that are basic in the analysis of stochastic general equilibrium models

the phillips curve as a long run phenomenon in a macroeconomic model with complex dynamics abstract in this paper we derive a phillips curve as the image of a chaotic attractor of the state variables of a non linear dynamical system describing the evolution of an economy this has two important consequences the phillips curve in our model is a true long run phenomenon but to exploit the apparent unemployment inflation trade off may require unrealistically complex policy measures the model is based on an overlapping generations non t tonnement approach involving temporary equilibria with stochastic rationing in each period and price adjustment between successive periods in this way we are able to obtain complex sequences of consistent allocations allowing for recurrent unemployment and inflation

are the unemployed unemployable abstract this paper develops a matching model of the labor market under wage rigidity when hiring decisions are irreversible there are two types of workers the skilled and the unskilled the model is used to analyze whether technological advances may have increased unemployment it is shown that it is likely to be so if they are associated with an increase in the productivity and or the supply of skilled workers relative to unskilled workers these effects are stronger when hiring decisions are more irreversible

measuring structural unemployment nawru estimates in the nordic countries the non accelerating wage rate of unemployment nawru indicator used by the oecd as a measure of structural unemployment has risen for the four nordic countries denmark finland norway and sweden in this paper we present stable empirical wage equations for the same countries over the period 1964 1994 in sharp contrast to the increased nawru estimates the instability of the nawru estimates is an artefact of a misspecified underlying wage equation and not due to instability in wage setting itself

competition between employed and unemployed job applicants swedish evidence we use the swedish applicant database to investigate empirically whether being unemployed per se reduces the probability of getting contacted by a firm all searchers looking for a new job are invited to submit their personal details to this database over the internet since we have access to exactly the same information as the firms we can minimize the problems associated with unobserved heterogeneity our results show that an unemployed applicant faces a lower contact probability than an otherwise identical employed applicant thus supporting the notion that firms view employment status as a signal of productivity

labor market institutions and aggregate fluctuations in a search and matching model abstract this paper explores the influence of labor market institutions on aggregate fluctuations it uses a dynamic stochastic general equilibrium model characterized by search and matching frictions in the labor market and nominal rigidities in the goods market it finds that firing costs and unemployment benefits can have substantial effects on aggregate fluctuations increasing firing costs decreases the volatility of output employment and job flows due to the reduction in the mass of jobs sensitive to disturbances and lower incentives for firms to hire and fire workers hence firms adjust to shocks mainly through prices causing inflation to become more volatile raising unemployment benefits has the reverse effect on aggregate fluctuations

capital accumulation and unemployment a tale of two continents in contrast to much recent work regarding the causes of european unemployment in this paper we emphasize the importance of capital accumulation but unlike the few previous studies which have examined the relationship between capital accumulation and unemployment we argue that what matters for the evolution of employment and the unemployment rate is not the absolute growth rate of a country s capital stock but its evolution relative to other countries capital stock the empirical validity of the above statement is demonstrated for almost all oecd countries using quarterly time series data for the period 1961 1995 more detailed evidence is also presented for germany japan and the united kingdom

unemployment compensation and high european unemployment a reassessment with new benefit indicators generous unemployment benefits lie at the heart of the conventional explanation for persistent high unemployment the effects of benefit generosity on work incentives are more ambiguous in a broader behavioural framework in which workers get substantial disutility from unemployment given income and know that unemployment has scarring effects in the future the micro evidence suggests modest effects of changes in generosity but there are reasons to doubt that the impacts on national unemployment rates are consequential the empirical case for the orthodox prediction comes from cross country regressions on the oecd s gross replacement rate grr but the published evidence is mixed and we find little support in the pattern of annual changes in the grr and the unemployment rate for oecd countries over the last three decades we take advantage of new and much improved net replacement indicators from the oecd which show little correlation with either the grrs or with unemployment and employment rates we conclude that the available evidence does not offer compelling support for the conventional view

the role of selective job search in uk unemployment selective search where unemployed job losers confine their job seeking efforts to matches in the pre separation sector has attracted consid erable attention as a possible source of high and persistent unemployment however this idea is questionable those opting for selection may do so because this strategy is more effective at gener ating an acceptable offer using uk microdata i find evidence in support of the latter view selective searchers cannot account for the persistence of high unemployment since the early 1980s

unemployment in regional labor markets using structural theories to understand local jobless rates in west virginia the author uses a range of structural labor market models to understand differing regional jobless rates in a state affected by pockets of structural unemployment four theories of regional structural unemployment are presented and their hypotheses are statistically evaluated using west virginia county panel data the author then presents case study evidence to compare these statistical results with the realities of the county labor markets both types of empirical evidence suggest that a segmented non market clearing model in which structural unemployment stems from queuing for above market clearing wages in both a high wage primary sector and a lower wage secondary sector can shed the most light on regional unemployment rates in west virginia

data watch the world bank s living standards measurement study household surveys since 1985 the world bank has been collecting household survey data in developing countries that provide a rich source of information for assessing household welfare understanding household behavior and evaluating the impact of government policies this article describes these household surveys known as living standards measurement study lsms surveys and explains how to obtain their data lsms surveys have been implemented in over twenty developing countries and have been used to analyze poverty labor markets health and education pricing policies determinants of school performance savings and consumption smoothing health and nutrition policies and gender and fertility issues

business cycle asymmetry a deeper look this paper distinguishes two types of asymmetry in business cycles deepness and steepness deepness is defined as the characteristic that troughs are further below trend than peaks are above most previous research has focused exclusively on steepness which refers to cycles in which contractions are steeper than expansions a test for deepness is proposed and applied to u s post war quarterly unemployment real gnp and industrial production evidence of deepness is found for unemployment and industrial production while the evidence for real gnp is weaker previous evidence of steepness in unemployment is confirmed

gas and lng trading hubs hub indexation and destination flexibility in east asia abstract in the east asian gas markets issues like gas trading hubs hub indexed pricing and destination flexibility are being debated this paper examines the impact of a change in east asia s pricing benchmark and contract flexibility on the regional and global gas markets the paper uses the nexant world gas model a linear program with global cost minimization as the objective to our knowledge this study on hub competition price benchmark change and contract flexibility improvement in east asia will be the first in the literature and have real policy relevance the results show that both price benchmark change and contract flexibility improvements will create an overall benefit for the world and east asia importers but the impacts are different among exporters and importers however there is no evidence of competition among different benchmark hubs and no evidence that destination restrictions cause the asia premium it implies that removal of destination clauses has higher priority than the change to hub indexation for japan korea and chinese taipei but both should be treated equally in china the study also suggests that east asian importers should cooperate among themselves and with exporters to facilitate the hub creation and contract changes in east asia