an investigation of the role of china s urban population on coal consumption abstract this paper investigates the causal relationship between urban population real gdp electricity production and coal consumption in china for the period 1971 2009 using a vector autoregression framework and a modified version of the granger 1969 causality test proposed by toda and yamamoto j econ 66 1995 225 the results suggest that there is causality running from gdp to coal consumption the variance decomposition analysis report that urban population and coal affect electricity production variability over the forecast period we also find that increasing urban population may negatively affect china s gdp over time policy measures aimed at influencing gdp could ultimately affect coal consumption

regulating stock externalities under uncertainty abstract using a simple analytical model incorporating benefits of a stock costs of adjusting the stock and uncertainty in costs we uncover several important principles governing the choice of price based policies e g taxes relative to quantity based policies e g tradable permits for controlling stock externalities as in weitzman rev econom stud 41 4 1974 477 the relative slopes of the marginal benefits and costs of controlling the externality continue to be critical determinants of the efficiency of prices relative to quantities with flatter marginal benefits and steeper marginal costs favoring prices but some important adjustments for dynamic effects are necessary including correlation of cost shocks across time discounting stock decay and the rate of benefits growth applied to the problem of greenhouse gases and climate change we find that a price based instrument generates several times the expected net benefits of a quantity instrument

a critical reconsideration of the foundations of monetary policy in the new consensus macroeconomics framework monetary policy has become firmly based on the use of interest rate as the key policy instrument and in a one instrument one target framework the approach to monetary policy is closely associated with the new consensus in macroeconomics ncm this paper undertakes a critical appraisal of the role of monetary policy in the context of the ncm after setting out the main features of the ncm there is critical discussion of the role of monetary policy and the ncm framework the discussion covers the nature of the loss function the role of the natural rate of interest and the phillips curve this is followed by a critical evaluation of the is curve in the ncm and the classical dichotomy the paper finishes by asking whether interest rates do have the effects claimed for them

the institutional causes of china s great famine 1959 1961 this paper studies the causes of china s great famine during which 16 5 to 45 million individuals perished in rural areas we document that average rural food retention during the famine was too high to generate a severe famine without rural inequality in food availability that there was significant variance in famine mortality rates across rural regions and that rural mortality rates were positively correlated with per capita food production a surprising pattern that is unique to the famine years we provide evidence that an inflexible and progressive government procurement policy where procurement could not adjust to contemporaneous production and larger shares of expected production were procured from more productive regions was necessary for generating this pattern and that this policy was a quantitatively important contributor to overall famine mortality

will markets direct investments under the kyoto protocol lessons from the activities implemented jointly pilots under the kyoto protocol countries can meet treaty obligations by investing in projects that reduce or sequester greenhouse gases elsewhere prior to ratification treaty participants agreed to launch country based pilot projects referred to collectively as activities implemented jointly aij to test novel aspects of the project related provisions relying on a ten year history of projects we investigate the determinants of aij investment our findings suggest that review agency preferences related to national political objectives and possibly deeper cultural ties influenced project selection and limited the number of aij projects bilateral ties also appear to have affected investment decisions directly possibly because of related transaction costs the results suggest an investment process different from the assumptions that underlie well known estimates of cost savings related to the protocol s flexibility mechanisms we conclude that if approaches developed under the aij programs to approve projects are retained the scale of investment under kyoto s flexibility provisions and their cost savings will be less than what is generally anticipated and the pattern of investment less driven by abatement costs

keynesian macroeconomics without the lm curve the is lm model has been a central tool of macroeconomic teaching and practice for over half a century legions of earlier writers have offered criticisms of the model that have become familiar with the passage of time the model lacks microeconomic foundations assumes price stickiness has no role for expectations and simplifies the economy s complexities to a handful of crude aggregate relationships but countless teachers students and policymakers have found the model to be a powerful framework for understanding macroeconomic fluctuations recent developments have created new difficulties for the is lm model although the new difficulties are less profound than the traditional ones they are more likely to be fatal like all models the is lm model is not universal its assumptions and simplifications make it better suited to analyzing some issues than others and to describing some economic environments than others but neither the issues nor the environment of macroeconomic fluctuations are fixed in terms of issues one major change is that the debates between keynesians and monetarists about the relative effectiveness of monetary and fiscal policy that were central to macroeconomics in the 1960s and 1970s now play only a modest role in the analysis of short run fluctuations in terms of the environment one important change is that most central banks including the u s federal reserve now pay little attention to monetary aggregates in conducting policy but the is lm model is particularly well suited to presenting the debates between keynesians and monetarists and one of its basic assumptions is that the central bank targets the money supply in short recent developments work to the disadvantage of is lm this observation suggests that it is time to revisit the question of whether is lm is the best

government debt income distribution and growth this paper takes up the question of whether government debt worsens the distribution of income as tax revenues from workers are used to pay for the interest on the debt held by the rich in so doing we develop a post keynesian model in which growth is determined by aggregate demand rather than by the supply of resources and income is distributed between workers who earn wages and capitalists who receive profit and interest income our analysis highlights the possible expansionary effect of a rise in government debt which may raise the income of the workers and it shows that its precise effect on income inequality depends on the circumstances under which government debt rises c 1996 academic press limited copyright 1996 by oxford university press

the market for tradable ghg permits under the kyoto protocol a survey of model studies abstract this paper gathers results from 25 models of the market for tradable greenhouse gas ghg emission permits under the kyoto protocol due to diverging projections of emissions growth and different modeling approaches the model results differ substantially the average market volume is approximately 17 and 33 billion usd under global trading and annex b trading respectively including non carbon ghg lowers compliance costs and permit prices in the absence of the us permit demand roughly equals hot air from the former soviet union these countries can increase their revenues from selling permits by restricting supply which raises the permit price

managing channel profits a channel of distribution consists of different channel members each having his own decision variables however each channel member s decisions do affect the other channel members profits and as a consequence actions a lack of coordination of these decisions can lead to undesirable consequences for example in the simple manufacturer retailer consumer channel uncoordinated and independent channel members decisions over margins result in a higher price paid by the consumer than if those decisions were coordinated in addition the ensuing suboptimal volume leads to lower profits for both the manufacturer and the retailer this paper explores the problems inherent in channel coordination we address the following questions what is the effect of channel coordination what causes a lack of coordination in the channel how difficult is it to achieve channel coordination what mechanisms exist which can achieve channel coordination what are the strengths and weaknesses of these mechanism what is the role of nonprice variables e g manufacturer advertising retailer shelf space in coordination does the lack of coordination affect normative implications from in store experimentation can quantity discounts be a coordination mechanism are some marketing practices actually disguised quantity discounts we review the literature and present a simple formulation illustrating the roots of the coordination problem we then derive the form of the quantity discount schedule that results in optimum channel profits this article was originally published in marketing science volume 2 issue 3 pages 239 272 in 1983

the modern view of macroeconomics some critical reflections david romer has proposed a new basic macroeconomic framework the is mp ia model its proponents claim that it represents the modern view of macroeconomics we show that the new framework remains closely attached to the neoclassical synthesis and in addition does not take account of i the empirical evidence on the output inflation trade off ii the evidence on the interdependence of aggregate demand and supply iii the institutional limits of monetary policy and iv the implications for macroeconomic policy of i ii and iii once these aspects have been incorporated short run stabilisation policy is not neutral in the long run the notion of a natural rate of interest becomes untenable and aggregate demand turns into the crucial exogenous variable copyright 2005 oxford university press

policy incentives for switchgrass production using valuation of non market ecosystem services abstract this study presents a linear profit model with combined economic and environmental factors for a switchgrass for biofuels agricultural system in the southeastern u s the objectives are to establish conversion to switchgrass thresholds for various market prices and identify policy incentives that would ensure economic profit while also maximizing environmental benefits carbon sequestration displacement of fossil fuels and minimizing negative impacts global warming potential nitrate loss weighting factors are chosen to represent incentives and penalties by assigning value to the impacts with no other incentives switchgrass market prices of at least 51 and 58 dton would be needed in order to make a profitable switch from corn conservation reserve program crp lands and cotton respectively at a mid range offering of 50 dton feasible carbon credit prices of 3 8 23 per metric tonne co 2 e would incentivize conversion from corn crp or cotton respectively similarly a water quality penalty of 0 20 3 2 per kilogram no 3 n leached would incentivize the same conversions with resultant watershed improvement at a lower price of 30 dton switchgrass incentives based on valuation of ecosystem services begin to exceed feasible ranges of these valuations

growth distribution and inflation a centennial synthesis microeconomics at harvard a little more than a decade ago having become disenchanted with neoclassical economics i suggested to my students that the very neoclassical course i had just taught provided one way of characterising the workings of a capitalist economy but hardly the only way after a year of utility maximisation partial and general equili brium pareto optimality and the associated agonies of lagrangians hessians jacobians and fixed point theorems my students were able to contain their enthusiasm for this news they had expected not one way of looking at the world but at the very least a magical key to knowledge and wisdom it is probably accurate to say that my message was not received at all i shall always remember the incomprehension etched on their faces the next year the last i was to teach theory in that incarnation i decided to present at least a sketch of an alternative to the neoclassical orthodoxy i soon discovered there were at least two foundations on which to build one going back to marx who died one hundred years ago the other deriving from keynes whose birth centenary we celebrate this year these two approaches it was clear were as different from each other as from the neoclassical approach the analysis of neo keynesian neo marxian and neoclassical theories has been a major focus of my research ever since and provides the framework for these lectures 1

an international policy architecture for the post kyoto era in february 2005 the kyoto protocol to the united nations framework convention on climate change came into force but without participation by the united states its impacts on emissions of greenhouse gases including carbon dioxide co2 the primary anthropogenic driver of climate change will be trivial but scientific robert t watson 2001 and economic charles d kolstad and michael a toman 2001 analyses point to the need for a credible international approach because the kyoto protocol s ambitious targets apply only to the short term 2008 2012 and only to industrialized nations the agreement will impose relatively high costs and generate only modest short term benefits while failing to provide a real solution joseph e aldy et al 2003 for these reasons most economists see the agreement as deeply flawed richard n cooper 1998 david g victor 2001 warwick j mckibbin and peter j wilcoxen 2002 although some see it as an acceptable first step axel michaelowa 2003 virtually all agree however that the protocol is not sufficient to the overall challenge we describe the basic features of a postkyoto international global climate agreement which addresses three crucial questions who when and how the respective elements are first a means to ensure that key nations industrialized and developing are involved second an emphasis on an extended time path of action employing a cost effective pattern over time and third inclusion of market based policy instruments i who expand participation to include all key countries

controlling for supplier switching in the presence of real options and asymmetric information abstract applying a real option approach this paper examines how asymmetric information alters key variables of a firm s supplier switching process such as the timing of contracting hurried versus delayed contracting transfer payments set up switching and abandonment decisions in a symmetric information setting delayed contracting is unambiguously beneficial abandoning the once established relation with the entrant supplier is never an issue in contrast under asymmetric information hurried contracting with potentially abandoning the relation can be beneficial consistent with adverse selection models we find that under delayed contracting in equilibrium the firm switches less frequently to the entrant supplier switching inertia surprisingly we also find that under hurried contracting the firm switches more frequently to the entrant supplier switching acceleration and may abandon the relation finally we study how these key variables of the supplier switching process change when also the incumbent supplier has private information two sided asymmetric information case

designing a climate change policy for the international maritime transport sector market based measures and technological options for global and regional policy actions abstract the international maritime transport sector has a significant abatement potential and some technical improvements that reduce ghg emissions would already be profitable without any policy in place this paper analyses in depth the limits and opportunities of policy options currently under consideration at the international level to stimulate the sector to reduce its ghg emissions in particular in order for the maritime transport sector to become more environmentally friendly the flexible nature of international market based measures and the european union emission trading scheme provide a definite window of opportunity without placing unnecessary high burden on the sector however the development of a regional policy such as at european level for the international maritime transport sector faces several obstacles allocation of emissions carbon leakage permit allocation treatment of the great variety in ship type size and usage and transaction cost global market based policies could overcome most of these challenges this paper provides an in depth analysis of the policy instruments currently under discussion to reduce the sector s burden on the environment and focuses on economic theory legal principles technological options and the political framework that together make up the basis of decision making regarding the international maritime transport sector s climate change policies

macrodynamics of debt regimes financial instability and growth this paper develops a post keynesian dynamic model of capacity utilisation and growth in which the supply of credit money is endogenous and firms debt position and thus the financial fragility of the economy a la hyman minsky is explicitly modelled the interest rate is set by banks as a markup over a base rate exogenously determined by the monetary authority the banking markup varies with changes in capacity utilisation while the debt ratio varies with changes in the rates of interest capital accumulation and growth regarding dynamics it is shown the possibility of relating the stability properties of a system with the interest rate and the debt ratio as state variables to the prevailing minskyan regime hedge speculative or ponzi

mean variance analysis of a single supplier and retailer supply chain under a returns policy abstract in the literature most of the supply chain coordinating policies target at improving the supply chain s efficiency in terms of expected cost reduction or expected profit improvement however optimizing the expected performance alone cannot guarantee that the realized performance measure will fall within a small neighborhood of its expected value when the corresponding variance is high moreover it ignores the risk aversion of supply chain members which may affect the achievability of channel coordination as a result we carry out in this paper a mean variance mv analysis of supply chains under a returns policy we first propose an mv formulation for a single supplier single retailer supply chain with a newsvendor type of product the objective of each supply chain decision maker is to maximize the expected profit such that the standard deviation of profit is under the decision maker s control we study both the cases with centralized and decentralized supply chains we illustrate how a returns policy can be applied for managing the supply chains to address the issues such as channel coordination and risk control extensive numerical studies are conducted and managerial findings are proposed

estimates of the costs of kyoto marrakesh versus the mckibbin wilcoxen blueprint in this paper we update our earlier estimates of the cost of the kyoto protocol using the g cubed model taking into account the new sink allowances from recent negotiations as well as allowing for multiple gases and new land clearing estimates we then compare the protocol to an alternative policy outlined in mckibbin et al brookings policy brief no 17 june the brookings institution washington 1997 climate change policy after kyoto a blueprint for a realistic approach the brookings institution washington 2002a j econom perspect 16 2 2002b 107 that does not impose rigid emissions targets we focus particular attention on the sensitivity of compliance costs under each policy to unexpected changes in future economic conditions to illustrate the issue we evaluate the policies under two plausible alternative assumptions about a single aspect of the future world economy the rate of productivity growth in russia we find that moderate growth in russia would raise the cost of the kyoto protocol by as much as 50 percent but would have little effect on the cost of the alternative policy we conclude that the kyoto protocol is inherently unstable because unexpected future events could raise compliance costs substantially and place enormous pressure on governments to abrogate the agreement the alternative policy would be far more stable because it does not subject future governments to adverse shocks in compliance costs

designing carbon markets part ii carbon markets in space this paper analyses the design of carbon markets in time i e intertemporally it is part of a twin set of papers that ask starting from first principles what an optimal global carbon market would look like by around 2030 our focus is on firm level cap and trade systems although much of what we say would also apply to government level trading and carbon offset schemes we examine the first principles of temporal design that would help to maximise flexibility and to minimise costs including banking and borrowing and other mechanisms to provide greater carbon price predictability and credibility over time

the role of economics in climate change policy many policy problems have frustratingly long histories of inefficient regulation that can be difficult or impossible to reverse even where large efficiency gains might be had from doing so climate change is an exception however because little real action has been undertaken to date it presents an unusual opportunity for an efficient economic policy to be employed right from the beginning however the opportunity could easily be lost ongoing negotiations conducted under the auspices of the united nations framework convention on climate change have so far produced the kyoto protocol a deeply flawed agreement that manages to be both economically inefficient and politically impractical in this article we examine the key economic characteristics of climate change and argue that economic theory provides good guidance on the design of an efficient and politically realistic policy because climate change involves vast uncertainties and has potentially enormous distributional effects neither of the standard market based environmental policy instruments is a viable approach a tradable permit system would be inefficient and an emissions tax would be politically unrealistic however a hybrid policy combining the best features of the two would be an efficient and practical approach we then compare our hybrid proposal to the kyoto protocol and argue that it overcomes the protocol s shortcomings

supply chain coordination with insurance contract abstract we propose an insurance contract under which the supplier shares the risk of overstock and understock with the retailer improving the efficiency of the supply chain with a newsvendor type product we first show that the insurance contract could coordinate the supply chain and obtain bargaining solution in the supply chain model then we investigate the effects of agents risk aversion on the supply chain model and acquire the pareto optimal solution through the mean variance approach after that we compare the insurance contract with the revenue sharing contract focusing particularly on their differences finally extensive numerical studies are conducted and managerial implications are proposed

comparative evaluation of post keynesian interest rate rules income distribution and firms debts for macroeconomic performance this article investigates the macroeconomic effects of firms debts and income distribution on economic growth and inflation under three different post keynesian interest rate rules the kansas city rule the smithin rule and the pasinetti rule by setting up a dynamic post keynesian model after reviewing debates on the post keynesian interest rate policies this article evaluates the relative merits of the three rules in their relationship with economic growth regimes and inflation dynamics accordingly this article explicitly shows that i a policy rule works effectively under some economic growth and inflation patterns but not necessarily under other patterns ii a policy rule contributing to high economic growth may not always be compatible with stabilisation of economic growth and iii the macroeconomic effects of debt and income distribution on economic growth and inflation are closely related to the choice of interest rate rule

unemployment and the real wage the economic basis for contesting political ideologies using the keynesian theory of effective demand this paper demonstrates how particular models such as that of cooperative capitalism enunciated by the left keynesian social democrats the marxian model of profit squeeze emphasizing distributive conflict and even the conservative model relying on supply side stimulus fit in as particular variants of a more general theoretical scheme through a reconstruction of the familiar is schedule the argument is weaved around the theme of the relations between unemployment and real wage in the context of both a closed and an open economy to explain the common macroeconomic basis of contesting ideologies copyright 1990 by oxford university press

macroeconomics without the lm curve an alternative view this paper develops a fully articulated post keynesian alternative to the new consensus macroeconomic model based on explicitly post keynesian hypotheses about the inflation process the income generating process and the appropriate conduct of monetary policy the paper demonstrates how the equilibrium configuration of this model can be manipulated by non monetary policy interventions including fiscal policy and incomes policy one perhaps surprising result that emerges from the analysis is that in the context of the proper policy environment inflation targeting can have a positive impact on real economic performance

a hotelling model with a ceiling on the stock of pollution abstract environmental agreements such as the kyoto protocol aim to stabilize the amount of carbon in the atmosphere which is mainly caused by the burning of nonrenewable resources such as coal we characterize the solution to the textbook hotelling model when there is a ceiling on the stock of emissions we consider both increasing and decreasing demand for energy we show that when the ceiling is binding both the low cost nonrenewable resource and the high cost renewable resource may be used jointly a key implication is that if energy demand were to decline in the long run we may supplement energy supply through clean renewables to meet the environmental standard but then revert back to using only dirty fossil fuels in the future when the ceiling has become non binding that is the much heralded societal transition to clean energy resources may be short lived

the quantity flexibility contract and supplier customer incentives consider a supply chain consisting of two independent agents a supplier e g a manufacturer and its customer e g a retailer the latter in turn serving an uncertain market demand to reconcile manufacturing procurement time lags with a need for timely response to the market such supply chains often must commit resources to production quantities based on forecasted rather than realized demand the customer typically provides a planning forecast of its intended purchase which does not entail commitment benefiting from overproduction while not bearing the immediate costs the customer has incentive to initially overforecast before eventually purchasing a lesser quantity the supplier must in turn anticipate such behavior in its production quantity decision this individually rational behavior results in an inefficient supply chain this paper models the incentives of the two parties identifying causes of inefficiency and suggesting remedies particular attention is given to the quantity flexibility qf contract which couples the customer s commitment to purchase no less than a certain percentage below the forecast with the supplier s guarantee to deliver up to a certain percentage above under certain conditions this method can allocate the costs of market demand uncertainty so as to lead the individually motivated supplier and customer to the systemwide optimal outcome we characterize the implications of qf contracts for the behavior and performance of both parties and the supply chain as a whole

the rise and fall of money manager capitalism a minskian approach we are in the midst of a global financial crisis accompanied by a deep and probably long lasting economic downturn indeed some analysts are already calling this the first depression of the post world war ii era in this article i argue that this is a systemic crisis a crisis of what hyman minsky called money manager capitalism i link this to the analyses of hilferding and veblen of an earlier period finance capitalism and argue that this is in effect the second failure of this type of capitalism the essential characteristics of early finance capitalism are relatively small government use of external finance for investment and growing concentration of economic power in the hands of trusts or what we might today call megacorporations with varied interests and diverse affiliations across industry finance and insurance unlike the first phase the second phase of finance capitalism took place in the context of a big government neoconservative model minsky s analysis helps us to understand how the new deal and big government created a paternalistic capitalism after world war ii which favoured high consumption high employment greater equality and financial stability however that stability was destabilising because it permitted the rise of managed money over time innovation and deregulation increased fragility which generated increasingly frequent and severe financial crises while previous crises were resolved quickly enough to prevent it another debt deflation from happening again this crisis appears to be sufficiently severe that the very survival of money manager capitalism is thrown into question the article examines the contributing factors to the current crisis including the real estate boom and bust the rise of risky financial instruments such as securitised debts and credit default swaps the commodities market bubble and the fiscal squeeze the article concludes with some suggestions concerning the possible outcome of the failure of this form of finance capitalism copyright the author 2009 published by oxford university press on behalf of the cambridge political economy society all rights reserved oxford university press