a study on the cost of operational complexity in customer supplier systems this paper reports on the application of the operational complexity index frizelle g woodcock e 1995 measuring complexity as an aid to developing operational complexity international journal of operations and production management 15 5 26 39 the aim is to address what is the relationship between costs and the complexity index the investigation carried out measurements on two types of supplier customer systems in the uk one is make to stock with low product variety but high volume while the second is make to order with high variety but low volume the research found some evidence that inventory costs are associated with operational complexity moreover while the index is generic to both case studies there seemed to be a direct link between the index value and cost only in the make to stock case

budget deficits money growth and inflation the turkish evidence the paper investigates the long run relationships between budget deficits inflation and monetary growth in turkey considering two alternative trivariate systems corresponding to the narrowest and the broadest monetary aggregates while the joint endogeneity of money and inflation rejects the validity of the monetarist view lack of a direct relationship between inflation and budget deficits makes the pure fiscal theory explanations illegitimate for the turkish case consistent with the policy regime of financing domestic debt through the commercial banking system budget deficits lead to a growth not of currency seigniorage but of broad money in turkey this mode of deficit financing leading to the creation of near money and restricting the scope for an effective monetary policy may not be sustainable as the government securities broad money ratio cannot grow without limit

separability functional form and regulatory policy in models of interfuel substitution abstract counter intuitive results such as positive own price elasticities have been found in some studies of interfuel substitution this paper examines three possible reasons for this problem first including energy materials in petroleum and coal aggregates is found to contribute to incorrect signs second the mathematical properties of the translog function contribute to concavity violations in contrast the linear logit model of cost shares is found to provide more sensible estimates of own price elasticities across alternative model specifications finally natural gas curtailment policies and environmental regulations are found to be significant factors influencing us industrial fuel demand although omission of these factors does not directly contribute to curvature violations

inter factor inter fuel substitution carbon intensity and energy related co2 reduction empirical evidence from china carbon dioxide co2 reduction which is the central issue in addressing global warming depends on the extent that clean energy can substitute for co2 emitting coal and non energy factors can substitute for energy factor the purposes of this paper are to empirically investigate inter factor inter fuel substitution in china and to evaluate the determinants of china s energy related carbon intensity as well as mitigation effects of carbon tax considering china s rapid increase in energy consumption and the slow adjustment in substitution the two stage estimation method and the dynamic error correction mechanism are employed in this study the empirical results suggest substitutability among different types of energy sources as well as substitutability among energy labor and capital the magnitude of cross price elasticities indicates that the substitutions are inelastic which limits the scope of the chinese government to implement substitution strategy aiming at energy conservation and environmental management china s carbon intensity declined during 1985 2012 most of which can be attributed to labor substitution and energy price increase however carbon intensive technology being embodied in china s capital investment energy consuming equipment has contributed to the increase in carbon intensity a carbon tax of rmb 50 tonne could reduce 332 9 million tonnes co2 emissions on the basis of 2012 in addition if ignoring the feedback between inter factor inter fuel substitutions co2 mitigation potential would be underestimated

lifecycle economic analysis of biofuels accounting for economic substitution in policy assessment this paper develops a lifecycle economic analysis lcea model that integrates endogenous input substitution into the standard lifecycle analysis lca of biofuel that typically assumes fixed proportions production we use the lcea model to examine impacts of a pure carbon tax and a revenue neutral tax subsidy policy on lifecycle greenhouse gas emissions from cellulosic ethanol using forest residues as feedstock in washington state in a model allowing for input substitution in the cellulosic ethanol feedstock conversion and transportation process we consider energy source substitution woody biomass for coal in the cellulosic ethanol conversion plant and biodiesel for diesel in feedstock production and feedstock and ethanol transportation as well as substitution of capital and labor for energy in all stages of the lifecycle we find that ignoring endogenous input substitution by using standard lca leads to substantial underestimation of the impact of carbon tax policies on carbon emissions both tax policies can substantially reduce carbon emissions by inducing substitution among inputs the revenue neutral tax subsidy policy reduces emissions more effectively than the carbon tax policy for carbon tax rates currently in place throughout most of the world it stimulates substitution of woody biomass for coal and biodiesel for diesel at much lower tax rates when accompanied by corresponding subsidies for reduced emissions from renewable sources

public debt in turkey evaluation and perspectives the aim of this study is to analyse past and future sustainability of total public debt in turkey the analysis is based on econometric studies and simulations the data are taken quarterly in order to take into account intra annual effects important in turkey given the strong volatility of the economy the period covered is 1988 to 2002 the econometric analysis rejects the hypothesis of the sustainability of turkish public debt in the last 15 years the simulations show that to reach an acceptable level of debt turkey has to solve its problem of chronic inflation stabilize its economy and adopt either a policy freezing public spending or a very active fiscal policy

money inflation and output in romania 1992 2000 abstract money inflation and output are tested for stationarity and found to be integrated of order one we apply the johansen procedure for cointegration to test for the rank of the matrix of cointegration relations one to test for the weak exogeneity of output accepted inflation rejected and money rejected we interpret the unique cointegrating relationship as an extended cagan money demand function we then estimate error correction mechanisms which explain the short run movements of real money and inflation the evidence suggests that in the period considered including the sub sample between the liberalization shocks inflation was largely a monetary phenomenon

a dynamic econometric model of thailand manufacturing energy demand the purpose of this article is to employ the dynamic translog framework to model inter factor and inter fuel energy demand for the thai manufacturing sector the denny et al 1981 and lynk 1989 framework which proposes a dynamic adjustment for capital stock is employed to motivate the estimated of factor demand and fuel share equations three factors energy labour and capital and five fuel types fuel oil diesel oil liquified petroleum gas lpg electricity and coal and lignite are examined regression diagnostics support the empirical specification numerous factor and fuel substitution possibilities are identified with some policy implications described

fiscal deficits and inflation abstract macroeconomic theory postulates that persistent fiscal deficits are inflationary yet empirical research has had limited success in uncovering this relationship this paper reexamines the issue in light of broader data and a new modeling approach that incorporates two key features of the theory unlike previous studies we model inflation as non linearly related to fiscal deficits through the inflation tax base and estimate this relationship as intrinsically dynamic using panel techniques that explicitly distinguish between short and long run effects of fiscal deficits results spanning 107 countries over 1960 2001 show a strong positive association between deficits and inflation among high inflation and developing country groups but not among low inflation advanced economies

employing the extended kalman filter in measuring the output gap abstract the paper has two parts in the first part the output gap and potential output series for the turkish economy are derived within the context of a non linear state space model where the extended kalman filter emerges as the estimation methodology such a methodology allows for time varying parameters to decompose output into trend and cyclical components the results imply that both the parameters in the model and the derived series are fairly reasonable and consistent with the path that the turkish economy followed in the last fifteen years in the second part the relation between inflation and the output gap is analyzed it is found that inflation and the output gap are not positively associated contradicting studies that view demand side forces as the primary determinants of inflation in turkey

north american natural gas and energy markets in transition insights from global models this modeling comparison exercise looks at the global consequences of increased shale gas production in the u s and increased gas demand from asia we find that differences in models theoretical construct and assumptions can lead to divergences in their predictions about the consequences of u s shale gas boom in general models find that u s high shale gas scenario leads to increased u s production lower global gas prices and lower gas production in non u s regions gas demand in asia alone has little effects on u s production but together with the shale gas boom the u s can have a large export advantage overall models find u s exports level range from 0 06 to 13 7 trillion cubic feet tcf in 2040 the comparison of supply demand and price changes in response to shocks reveals important differences among models first is how the demand shocks were implemented and how the model responds to shocks static and elastic within each time period vs endogenous to the long term gross domestic product gdp growth second is how the supply response is expressed through fuel technology substitutions particularly the flexibility of cross fuel substitution in the power sector identifying these differences is important in understanding the model s insights and policy recommendations

assessing energy price induced improvements in efficiency of capital in oecd manufacturing industries to assess how capital stocks adapt to energy price changes it is necessary to account for the impacts on different vintages of capital and to account separately for price induced and autonomous improvements in the energy efficiency of capital stock the results of econometric analysis for five manufacturing industries in 19 oecd countries between 1990 and 2005 indicate that higher energy prices resulted in smaller energy use due to both improved energy efficiency of capital stock and reduced demand for the energy input the investment response to energy prices varied considerably across manufacturing industries being more significant in energy intensive sectors the results of policy simulations indicate that a carbon tax can deliver significant reductions in energy consumption in the medium run with modest declines in energy using capital stock

fiscal deficits output growth and inflation targets in ghana abstract inflation appears to be the macro problem for which no antidote has been found under the economic recovery programme it is possible that either a wrong diagnosis has been made of the problem or that certain factors within the economy are preventing inflation from staying within target levels using an error correction model ecm the paper estimates an inflation equation for ghana the convenience of this model is in the fact that all the data series exhibit an autoregressive scheme of order one that is they are i 1 series in such an instance the granger engle theorem shows that the ecm provides the most efficient model further the ecm unveils some of the short run dynamics which are missing in other estimation techniques the results of the econometric regression show that inflation in ghana either in the long run or short run is influenced more by output volatility than by monetary factors an examination is made of the consistency of fiscal deficit the hypothesis is that an unsustainable fiscal policy would make government miss some macroeconomic targets it is shown that in 1985 and 1989 fiscal policy was consistent inflation was well within target in 1985 for 1986 1988 the government did not maintain consistent fiscal deficits and inflation in those years was well above targets it is recommended that to control inflation in ghana more attention should be paid to supply factors further government should pursue consistent fiscal policies

inflation and the financing of government expenditure an introductory analysis with an application to turkey this article presents a simple framework to assess the consistency of appropriately defined fiscal deficits with other macroeconomic targets such as inflation it also considers the relation of fiscal deficits to output growth real exchange rate developments and management of internal and external debt finally it considers the implications of relying on interest bearing government debt to postpone the adjustment necessary to restore consistency with inflation targets it demonstrates how the intertemporal budget constraint of the government creates a tradeoff between current and future adjustment real interest rates and output growth rates are shown to determine the terms at which this tradeoff takes place the usefulness of this framework is demonstrated through an analysis of fiscal policy options in turkey in 1985

reducing schedule instability by identifying and omitting complexity adding information flows at the supplier customer interface within the supply chain context schedule instability is caused by revisions to forecast demand from customers problems with scheduled deliveries from suppliers and disruptions to internal production supply chain partners attempt to address schedule instability by regular exchanges of information flows on current demand and delivery forecasts however if these updating information flows are unreliable and likely to be over ridden by subsequent updated schedules then the problem of schedule instability at the supplier customer interface is not being solved the research hypothesis investigated in this paper is whether supply chain partners may reduce schedule instability at the supplier customer interface by identifying and omitting complexity adding information flows to this aim previous work by the authors on an information theoretic methodology for measuring complexity is extended and applied in this paper for identifying complexity adding information flows the application consists of comparing the complexity index of actual exchanged information flows with the complexity index of scenarios that omit one or more of these information flows using empirical results it is shown that supply chain partners may reduce schedule instability at the supplier customer interface by identifying and omitting complexity adding information flows the applied methodology is independent of the information systems used by the supplier and customer and it provides an objective integrative measure of schedule instability at the supplier customer interface two case studies are presented one in the commodity production environment of fast moving consumer goods and another in the customised production environment of electronic products sector by applying the measurement and analysis methodology relevant schedule instability related insights about the specific case studies are obtained in light of the findings from these case studies areas for further research and validation of the conditions in which the proposed research hypothesis holds are also proposed

deficits money and inflation abstract this paper examines the interrelationships between monetary and fiscal policy specifically it seeks to determine whether government budget deficits influence monetary growth using a money supply model originally developed by barro we find that deficits have had a significant impact on the growth of the u s money supply throughout most of the period since 1961 such a relationship need not always hold it depends on whether government deficits place upward pressure on interest rates and whether the central bank monetizes the debt in an effort to stabilize interest rates

a dynamic analysis of interfuel substitution in u s industrial energy demand using data for 1960 92 to analyze interfuel substitution in the u s industrial sector a dynamic linear logit model is shown to provide superior global properties than a comparable dynamic translog model confirming earlier static results by t j considine 1989 the linear logit model provides a direct unbiased estimate of the rate of dynamic adjustment indicating a median response lag of less than two years excluding fuels used for nonenergy purposes yields larger estimates of the price elasticities for coal and oil and indicates generally greater potential for interfuel substitution than when using aggregate data

unconventional energy taxation and interstate welfare an analysis of pennsylvania s severance tax policy abstract natural gas production from unconventional sources has increased over the past decade a significant portion of this increase has come from output in the marcellus region of pennsylvania this output has altered gas markets and repositioned pennsylvania as a major gas exporter it has also put pennsylvania at odds with other states as it is one of a few without a formal severance tax on extractive resources in this paper we combine results from a structural demand model with a two sector trade model to analyze the interstate welfare impacts of pennsylvania s current severance tax proposal our results demonstrate that most of the welfare losses from this proposed policy are likely to be shifted to residents in other states we also demonstrate how fluctuations in gas prices can substantially reduce tax revenue these findings have important implications for both pennsylvania and u s energy policy given the significant rise in energy production from new sources throughout the u s

long and short run elasticities of residential electricity consumption in china a partial adjustment model with panel data abstractwhile it has stabilized in developed world the per capita residential electricity consumption rec in developing countries such as china is growing very rapidly and this trend is very likely to continue built upon a provincial level panel data we employ a partial adjustment model to investigate the future trend of rec in china and factors that affect it we estimate the income and price short term and long term elasticities for urban and rural china respectively and compare the results with rec studies in other countries or regions the findings provide useful information to understand how the rec would grow in china as household income increases and how effective that price could be as an intervention tool

interfuel substitution a meta analysis interfuel substitutability has been of longstanding interest to the energy economics and policy community however no quantitative meta analysis has yet been carried out of this literature this paper fills this gap by analyzing a broad sample of studies of interfuel substitution in the industrial sector manufacturing industry or subindustries or macro economy of a variety of developed and developing economies publication bias is controlled for by including the primary study sample size in the meta regression results for the shadow elasticities of substitution between coal oil gas and electricity for forty six primary studies show that at the level of the industrial sector there are easy substitution possibilities between all the fuel pairs with the exception of gas electricity and coal electricity substitution possibilities seem more constrained at the macro level and less constrained in sub industries estimates also vary across countries publication bias does not seem to be present but model and data specification issues very significantly affect the estimates derived by each individual study estimates from cross section regressions are generally largest fixed effects panel estimates intermediate in magnitude and time series estimates are mostly much smaller econometric research suggests that the fixed effects estimates are likely the best among the existing studies though biased downwards

the role of energy conservation and natural gas prices in the costs of achieving california s renewable energy goals abstract this paper develops an econometric forecasting system of energy demand coupled with engineering economic models of energy supply the framework is used to quantify the energy and environmental impacts of renewable and natural gas based electricity power generation in california considering the role of on going energy conservation efforts and incorporating different natural gas price scenarios over the forecast horizon 2011 2035 the results indicate that relative to a business as usual scenario of continuing to rely on imported electricity to meet future demand california s renewable portfolio standard rps of 33 renewables by 2020 will increase electricity rates by over 10 however the rps will also provide substantial annual savings in carbon dioxide emissions equal to 40 million metric tons in 2020 continuing non price induced energy conservation at the historical rate will only result in a marginal reduction in electricity rates although lower electricity use means that substantial savings are nonetheless achieved in electricity expenditures in addition continuing trend energy conservation leads to substantial savings in carbon dioxide emissions like the rps developing domestic natural gas generation also leads to rate increases and reductions in carbon dioxide emissions relative to the baseline however these impacts are minor compared to the rps scenario

debt deficits and inflation an application to the public finances of india abstract the paper studies the solvency of the indian public sector and the eventual monetization and inflation that would be implied by stabilization of the debt gnp ratio in the absence of changes in the primary deficit the nonstationarity of the discounted public debt suggests that indefinite continuation of the pattern of behavior reflected in the historical time series process is inconsistent with the maintenance of solvency this message is reinforced by the recent behavior of the debt gnp ratio and of the ratio to gnp of the sum of the primary budget surplus and seigniorage our estimates of the base money demand function suggests that even maximal use of the inflation tax would not be sufficient to restore solvency measures to reduce the primary deficit are therefore unavoidable

interrelated factor demands from dynamic cost functions an application to the non energy business sector of the uk economy in this paper we propose a dynamic cost function which allows us consistently to derive a set of dynamic interrelated factor demand equations in the general error correction form introduced by anderson and blundell 1982 this paper expands results recently published in urga 1996 it shows that the derivation of an effective underlying cost function allows us to identify the full set of parameters of the underlying process this does not happen in the standard anderson blundell formulation we report an empirical exercise used to model the so called supply side of the london busines school large scale economic model where we estimate both the set of factor demands and the underlying dynamic cost function for the non energy business sector of the uk economy

modelling energy demand of developing countries are the specific features adequately captured abstract this paper critically reviews existing energy demand forecasting methodologies highlighting the methodological diversities and developments over the past four decades in order to investigate whether the existing energy demand models are appropriate for capturing the specific features of developing countries the study finds that two types of approaches econometric and end use accounting are commonly used in the existing energy demand models although energy demand models have greatly evolved since the early seventies key issues such as the poor rich and urban rural divides traditional energy resources and differentiation between commercial and non commercial energy commodities are often poorly reflected in these models while the end use energy accounting models with detailed sectoral representations produce more realistic projections as compared to the econometric models they still suffer from huge data deficiencies especially in developing countries development and maintenance of more detailed energy databases further development of models to better reflect developing country context and institutionalizing the modelling capacity in developing countries are the key requirements for energy demand modelling to deliver richer and more reliable input to policy formulation in developing countries

inflation and government deficits there is a pronounced positive correlation of inflation andgovernment deficits in the united states since world war ii the purpose of this paper is to test the three leading explanationsof this correlation these three explanations are a a deficitincreases prices through a wealth effect b a deficit results inthe federal reserve purchasing debt thus increasing the moneysupply and prices and c expected inflation increases the deficit which is the change in the nominal value of bonds no supportis found for either of the first two hypotheses the results indi cate that expected government deficits have no significance forfuture inflation since world war ii the united states has experienced large federal government deficits and a sustained peacetime inflation three differentconnections between the deficits and inflation are prominent in theliterature the most direct connection between government deficits and inflationis that by increasing the real value of outstanding bonds and perceived netwealth a deficit can raise total spending and the price level this connec tion is also the most long standing and is suggested by metzler 1951 andpatinkin 1965 for example monetarists generally and buchanan and wagner 1977 in particularhave emphasized a different link between deficits and inflation they sug gest that the federal reserve purchases government bonds when the trea sury sells bonds thus increasing high powered money the money supply and the price level the federal reserve might behave this way for exam ple because it is attempting to hold down interest rates on governmentsecurities when deficits occur recently barro 1978 1979 has put forward a hypothesis that deficitsare a result of inflation rather than inflation being a result of deficits thegovernment deficit is the change in the nominal value of outstanding gov ernment bonds if the anticipated inflation rate increases then the nomi nal value of bonds must increase i e the government will run a deficit tokeep the same anticipated real amount of bonds all three of these possible connections between government deficitsand inflation are consistent with the observed positive correlation of defi cits and inflation the implications however are strikingly different con

relationship between inflation rate and inflation uncertainty abstract to shed further light on the possible link between inflation rate and inflation uncertainty the paper explores the relationship for us monthly inflation over 1926 to 1992 with various arfima garch type models it found that the inflation affected its uncertainty weakly negatively whereas the uncertainty affected the inflation insignificantly the results were robust to the high inflation period of the 1970s and the volatile period of 1929 to 1945 it supports engle s result that a high rate of inflation does not necessarily imply a high variance of inflation unlike friedman s view that a high rate of inflation leads to a high variance of inflation

the use of linear logit models for dynamic input demand systems this paper demonstrates that a linear logit model with appropriate constraints can be used to specify a system of cost share equations that satisfy neoclassical economic conditions unlike many other flexible functional forms the logistic function is particularly well suited for incorporating dynamic adjustment mechanisms the empirical results suggest that the use of static models overstates short run own price elasticities and understates the corresponding long run price effects

validating energy oriented cge models although cge models have received heavy usage they are often criticized as being insufficiently validated key parameters are often not econometrically estimated and the performance of the model as a whole is rarely checked against historical outcomes as a consequence questions frequently arise as to how much faith one can put in cge results in this paper we employ a novel approach to the validation of a widely utilized global cge model gtap e by comparing the variance of model generated petroleum price distributions driven by historical demand and supply shocks to the model with observed five year moving average price distributions we conclude that energy demand in gtap e is far too price elastic over this time frame after incorporating the latest econometric estimates of energy demand and supply elasticities we revisit the validation question and find the model to perform more satisfactorily as a further check we compare a deterministic global general equilibrium simulation based on historical realizations over the 2001 2006 period during which petroleum prices rose sharply along with growing global energy demands as anticipated by the stochastic simulations the revised model parameters perform much better than the original gtap e parameters in this global general equilibrium context

singularity and autoregressive disturbances in linear logit models the implications of including autoregressive disturbances in linear logit models of demand systems are explored it is argued that the normality assumption of the error terms is more appropriate in the linear logit model than in a share equation model with additive disturbances commonly found in the literature autoregressive disturbances and their implications for model estimation are discussed in that context both theoretical arguments and empirical evidence are presented in favor of the logit specification given the presence of serial correlation

broader product line a necessity to achieve success strategic product line breadth decisions evoke differential responses from the manufacturing and the marketing areas manufacturing prefers keeping process disruptions to a minimum and as a result discourages product proliferation however marketing in its attempt to match products to heterogeneous consumer needs and gain market share emphasizes a broader product line we systematically investigate the market benefits and cost disadvantages of broader product lines on a large sample of over 1 400 business units our results indicate significant market share benefits and increases in firms profitability with broader product lines moreover widely held beliefs of increases in production costs are not empirically supported american manufacturing firms may indeed be flexible enough to accommodate product variety without significant detrimental effects on costs

market power in a non monetarist inflation model for greece a post keynesian inflation model for greece is constructed and tested the model consists of three equations including a cost demand price equation for the gross domestic expenditure deflator cost demand functions have been occasionally estimated in the past the equation presented is a more systematic test since the effect of industry concentration is examined both theoretically and empirically a collective bargaining equation for the first time in greece was simultaneously estimated the role of public deficit was investigated and it was found that this exerts a moderate influence on inflation

the cost of solar centric renewable portfolio standards and reducing coal power generation using arizona as a case study abstract this paper develops an econometric forecasting system of energy demand coupled with engineering economic models of energy supply the framework is used to quantify the impact of a state level renewable portfolio standard rps achieved predominately with solar generation we perform the analysis using arizona s rps as a case study over the period 2012 2035 we find if arizona implements its rps when supplying future electricity demand there will be an increase in electricity rates relative to a business as usual scenario of reliance on gas fired generation extending the current regime of tax credits greatly reduces this increase at the taxpayers expense we find that by 2025 arizona s rps will implicitly abate carbon dioxide emissions at a cost between 58 and 82 per metric ton and by 2035 abatement costs are between 22 and 69 per metric ton depending on the future evolution of nature gas prices the rps always leads to a negative impact on social welfare under low gas prices but after 2029 the welfare impact is positive under high gas prices in contrast phasing out arizona s existing coal fired generation always has positive welfare impacts

budget deficit and inflation the peruvian experience the purpose of this paper is to investigate the role of huge budget deficits in peru s near hyperinflation during recent years we use the rational expectations macro model of inflation to find out effect of the anticipated budget deficits on inflation rates by using the quartely data of peru for the period 1973 1 to 1988 1 our major finding has been that the budget deficits as well as the rate of growth of money supply do have significant impact on the inflation rates in peru

the dynamic factor model revisited the identification problem remains abstract the lack of identification of short run effects in a system of regression equations consisting of a dynamic translog cost function and cost share equations derived from this cost function is shown

inter fuel substitution technical change and the demand for energy in the uk economy a model for energy demand based on a translog cost function is formulated unlike previous studies technical progress is modelled by means of stochastic as opposed to deterministic trend components the model is estimated using quarterly uk data for four economic sectors and forecasts of the future level of demand are made

are fiscal deficits inflationary abstract this paper applies the dynamic panel quantile regression dpqr model under the autoregressive distributional lag ardl specification and examines the deficit inflation relationship in 91 countries from 1960 to 2006 the dpqr model estimates the impact of deficits on inflation at various inflation levels and allows for a dynamic adjustment with the ardl specification the empirical results show that the fiscal deficit has a strong impact on inflation in high inflation episodes and has a weak impact in low inflation episodes the results imply that fiscal consolidation would be more effective in price stabilization the higher the inflation rate is and are consistent with the theoretical model of catao and terrones 2005

are money growth and inflation related to government deficits evidence from ten industrialized economies abstract we present empirical evidence on the relation between the government debt growth money growth and inflation for ten industrialized countries over the post world war ii period non parametric and parametric tests reveal little evidence that government debt growth is either related to money growth or permanently related to inflation over periods of a decade or less but the level of debt is significantly associated with subsequent inflation from 1974 to 1983 these results are consistent with the hypothesis that central banks in developed economies can conduct independent monetary policy over long periods notwithstanding government deficits

oil shocks and the dynamics of substitution adjustments of industrial fuels in the us this paper investigates substitution among such alternate fuels as coal natural gas and electricity during the actual oil price increases of 1970s these substitution adjustments are assumed to be dynamic and modelled by a partial adjustment structure this dynamic structure is incorporated into a translog cost technology short and long run price elasticities are estimated by identifying inter and intra industry variations the models are estimated with a sample of 88 pooled observations including distillate and residual oils purchased by eleven 2 digit manufacturing groups 1974 81 models are estimates are strictly negative these own price elasticities range from long to short run 2 93 to 2 55 for distillate oil 0 698 to 1 53 for residual oil 0 533 to 0 011 for coal 0 235 to 0 213 for natural gas to 0 888 to 0 845 for electricity estimastes of both short run and long run cross price elasticities suggest that coal and electric energy are the prominent substitutes for fuel oils w

testing dynamic specification of factor demand equations for u s manufacturing this paper addresses the question of dynamic specification of empirical models of factor demand for annual u s manufacturing data from 1947 to 1981 frequently used models that treat a subset of factors as variable are shown to be misspecified an error correction model is considered as an alternative specification this model is shown to dominate several more parsimonious models in several respects however like the other models considered the error correction model is unable to generate satisfactory estimates of long run elasticities the issue of dynamic specification remains unresolved copyright 1992 by mit press

three laws of energy transitions the paper formulates and explores a hypothesis on three general energy transition laws the law of stable long term energy costs to income ratio the law of improving energy quality and the law of growing energy productivity these laws are essential for shaping long term projections and checking for their consistency all three are rooted in amazingly stable in time and universal across countries energy costs to income ratios limited energy purchasing power sets up thresholds which if exceeded bring asymmetry to energy demand to price elasticity the author believes that the theoretical postulate on the substantial substitution among production factors which is used in the production functions theory may be incorrect in reality innovations mainly lead to the substitution of a low quality production factor with the same yet of a better quality improving energy quality with stable costs to income ratio is accompanied by growing energy productivity energy costs to income thresholds are indicators allowing for better projections of oil prices

testing restrictions in a flexible dynamic demand system an application to consumers expenditure in canada traditionally restrictions on systems of demand equations have been tested using static models whilst being estimated with time series data this paper develops a vector time series model of expenditure shares in the context of a singular dynamic demand system the model allows for non symmetric and non homogeneous short run behaviour the homogeneity and symmetry restrictions are only examined in the long run structure results based on canadian time series data are presented and reject the current practise of static modelling while restrictions suggested by economic theory are not rejected when imposed on the long run structure

dynamic translog and linear logit models a factor demand analysis of interfuel substitution in us industrial energy demand abstract we compare and contrast two popular dynamic flexible functional forms for cost functions the translog and the logit j bus econ stat 8 1990 347 353 using data on us industrial energy demand from 1960 to 1992 which has been analysed by previous studies energy econ 11 1989 89 94 appl econ 21 1989 931 945 j bus econ stat 13 1995 459 465 we show the crucial role played by different dynamic formulations of the translog in this analysis of factor demands with respect to rates of dynamic adjustment and substitution possibilities we conclude that the poor performance of the dynamic translog relative to the dynamic logit cannot be explained solely by dynamic model mis specification or the inclusion of price unresponsive non energy fuel use data our most robust empirical result is that coal and oil are substitutes

the relationship between inflation and the budget deficit in turkey this article analyzes the empirical relationship between inflation and the budget deficit for the turkish economy by a multivariate cointegration analysis a single equation model shows that the scaled budget deficit as well as income growth and debt monetization significantly affects inflation in turkey the conditional model of inflation is constant and it encompasses a previously estimated model

do energy efficiency policies save energy a new approach based on energy policy indicators in the eu member states abstract over the last two decades the european union and its member states have introduced policies aimed at improving energy efficiency the energy service directives esd introduced the concept of measurement of energy savings attributed to policies two different and complementary methodologies for the evaluation of energy savings have been developed under the esd the bottom up bu approach based on a technical analysis of each measure and the top down td approach based on the analysis of how energy intensity changes over time bu methods can hardly take into account policy induced behavioural changes whereas td methods have difficulties in disentangling policy induced savings from other savings econometric models have been proposed as a viable alternative to deal with both drawbacks the purpose of this article is to present an econometric model aimed at estimating the energy savings induced by energy efficiency policies in the eu member states in the period 1990 2013 we introduce an explicit measure of energy policy intensity based on the mure database which is used as explanatory variable in a dynamic panel model for 29 european countries our results suggest that energy consumption in 2013 in europe would have been about 12 higher in the absence of energy efficiency policies

how do banks adjust to changing input prices a dynamic analysis of u s commercial banks before and after the crisis abstract the 2000 2013 period was characterized by substantial regulatory monetary and technological change especially after the onset of the global financial crisis this study assesses the total impact of these policy shifts and technological changes on u s commercial banks short run and long run substitution elasticities an endogenous break test divides the sample into a pre crisis period and a post crisis period during the former period banks inputs tend to be inelastic substitutes after the onset of the crisis particularly the long run substitutability of most input factors decreases to even lower levels due to changes in both cost technology and economic conditions at the same time banks response to input price changes becomes more sluggish hence especially after the onset of the crisis banks have little flexibility regarding input factor usage and are thus sensitive to input price changes from a cost perspective