equilibria in unidirectional spatial models abstract this paper a characterizes the unique nash equilibrium of the unidirectional hotelling downs game in which firms maximize their market shares for any distribution of the consumers and b analyzes equilibrium behavior in the variation of the game in which each firm aims to secure a larger market share than its competitor in the first case firms employ identical mixed strategies and each of them serves in expected terms a fraction 1 e of the market and in both cases no firm ever locates in a position to the left of the first quartile of the consumers distribution

assessing the performance of renewable electricity support instruments abstract the performance of feed in tariffs and tradable certificates is assessed on criteria of efficacy efficiency equity and institutional feasibility in the early stage of transition to an energy system based entirely on renewable energy supplies renewable electricity can only thrive if support takes into account the specific technical economic and political problems which result from embedding this electricity in conventional power systems whose technology organizational structure environmental responsibility and general mission differ profoundly from the emerging renewable based system support schemes need to capture the diversity of power supplies the variable nature of some renewable supplies and their different attributes for the purposes of public policy they must take into account the variety of generators including small decentralized generation emerging in a renewable based system and the new relationships between generators and customers renewable energy policies need a clear point of reference because the incumbent power systems are not sustainable they must adapt to the requirements of the renewable ones not the other way round incumbent systems carry the responsibility of paying the transition something that corresponds best with the polluter pays principle

what drives capital flows to emerging markets a survey of the empirical literature this paper reviews the rapidly growing empirical literature on the drivers of capital flows to emerging markets the empirical evidence is structured based on the recognition that the drivers of capital flows vary over time and across different types of capital flows the drivers are classified using the traditional push vs pull framework which is augmented by a distinction between cyclical and structural factors push factors are found to matter most for portfolio flows somewhat less for banking flows and least for fdi pull factors matter for all three components but most for banking flows a historical perspective suggests that the recent literature may have overemphasized the importance of cyclical factors at the expense of longer term structural trends

the shifting drivers of global liquidity abstract the sensitivities of the main global liquidity components international loan and bond flows to global factors varied considerably over the past decade the estimated sensitivity to us monetary policy rose substantially in the immediate aftermath of the global financial crisis peaked around the time of the 2013 fed taper tantrum and then reverted towards pre crisis levels conversely the responsiveness of international bank lending to global risk conditions declined steadily throughout the post crisis period we show that the main driver of the fluctuations in the estimated sensitivities to us monetary policy was the degree of convergence among advanced economy monetary policies meanwhile the post crisis fall in the sensitivity of international bank lending to global risk was mainly driven by increases in the lending shares of better capitalized banking systems

costs of entry and exit from financial markets and capital flows to developing countries abstract though the theory of irreversible investment under uncertainty is now well understood no attempt has been made to empirically evaluate its predictions for foreign investment decisions yet costs of entry and exit from financial markets due to government restrictions certainly represent an important source of irreversibility in this paper a model with partial irreversibility of investment is used to derive a negative relation between costs of entry and exit from financial markets and foreign investment such a theoretical relation is consistent with empirical findings from a panel of 25 developing countries in 1987 1991

towards a sustainable electrification in ghana a review of renewable energy deployment policies abstract ghana has been facing perennial power rationing over the years due to fuel supply challenges the country s energy system is likely to suffer additional strain from rising energy demand fueled by population growth rapid urbanization and economic development fortunately there are enormous renewable energy resources which can provide sustainable electrification as backbone to socioeconomic development while curbing global warming ghana s energy strategy targets 100 access to electricity and 10 share of sustainable power in national generation mix by 2020 despite the existence of numerous policies and a renewable energy act current contribution of non conventional renewable energy to electricity generation is less than 1 the right mix of policies to address the unique domestic conditions and achieve its specific development goals remains insufficient this study reviews the regulatory framework financing incentives and other provisions of ghana s renewable energy act it critically examines the policy s strengths weaknesses opportunities and treats based on comparative analysis and lessons drawn from failed and successful implementation of similar policies around the world the study also assesses the impact of policy on project development it was found that the performance of ghana s renewable energy policy on grid connected electricity has been poor compared to its target the fundamental reasons for this unsatisfactory performance may be attributed to partial implementation of policies lack of market driven support schemes lack of pricing policy framework weak grid network limited access to funds and inconsistencies in renewable energy development strategies this study proposes the following countermeasures i ghana should comprehensively harmonize renewable energy regulatory and fiscal policies with domestic electricity pricing regime ii market driven support schemes should be prioritized for cost effectiveness and minimum governmental influence these reforms can help eliminate some of the major barriers to sustainable electrification in ghana while the lessons provide a learning curve for other african countries

do complex financial models really lead to complex dynamics agent based models and multifractality abstract agent based models are usually claimed to generate complex dynamics however the link to such complexity has not been subject to rigorous examination this paper studies this link between the complexity of financial time series measured by their multifractal properties and the design of various small scale agent based frameworks used to model the heterogeneity of financial markets nine popular models are analyzed and while some of the models do not generate interesting multifractal patterns we observe the strongest tendency towards multifractal behavior for the bornholdt ising model the discrete choice based models by gaunersdorfer hommes and schmitt westerhoff and the transition probabilities based framework by franke westerhoff complexity is thus not an automatic feature of the time series generated by any agent based model but generated only by models with specific properties in addition because multifractality is considered a financial stylized fact its presence can be used as a new means to validate such models

should renewable energy policy be renewable political flexibility brings about trade offs for policy makers aiming to support the deployment of renewable energy sources res on the one hand it allows incorporating new information on ex ante uncertain benefits and costs of res policy on the other hand it may deter res investments this paper scrutinizes how these trade offs play out economically and politically when res policy makers choose the degree of flexibility as well as the instruments to implement flexibility the analysis builds on a theoretical framework distinguishing between flexibility by design and by adjustment it is complemented by a discussion of three case studies res support schemes in germany and the united kingdom and the eu emissions trading scheme theoretical as well as empirical results suggest that the politically chosen degree of flexibility by policy design may be sub optimally low in contrast flexibility by policy adjustment is often excessively high

sequential location when transportation costs are asymmetric abstract in this paper i study sequential location by three firms when it is more costly for a consumer to move in one direction say to the left than to move to the right i provide a limit result for the ease when the difference between left and right transportation costs approaches zero this result resolves an equilibrium selection problem in the case of symmetric transportation costs i also discuss the entry pattern and the presence of a first mover advantage in the asymmetry case

money and financial markets introduction money and financial markets mark p taylor part 1 assessing the literature money demand analysis an outline keith cuthbertson david barlow financial market analysis an outline ronald macdonald and mark p taylor part 2 money demand studies money demand in five major countries estimating and interpreting error correction models james m boughton modelling broad and narrow money a study using cointegration martin brookes et al endogenous financial innovation and the demand for mo peter westaway and david walton money demand in high inflation countries a south american perpsective kate phylakis and mark p taylor the demand for money in four countries in the interwar period a study using monthly data jonathan slow et al part 3 money and financial markets some news on covered interest arbitrage mark p taylor patricia fraser monitoring bank risk a market based approach david miles stephen hall information interest rates and the volatility of asset prices laurence copeland richard c stapleton the decision to disclose research and development expenditure in the presence of a takeover threat jane black ian tonks persistence in stock market returns a disaggregated perspective roanld macdonald david power global capital market integration and the current account michael artis tamim bayoumi financial disorder and the theory of crisis e p davis part 4 new directions in financial market analysis neural networks and asset prices paul ormerod chartists fundamentalists and the transmission of opinion alan kirman

assessing the impact of financial liberalisation on stock market volatility in selected developing countries this article argues for the importance of measuring stock market volatility following financial liberalisation in developing countries three alternative indices for measuring volatility are developed these are used to examine the view that financial liberalisation induces increased asset price volatility based on the limited data available this view is corroborated in the majority of countries investigated

what is the major determinant of cross border banking flows abstract this study examines the major determinant of cross border credit flows through global banks across 70 countries employing a bayesian dynamic latent factor model we decompose volatilities of banking flows into the contribution of a global common factor regional common factor and country specific factor the results indicate that the global and regional common factor explains about 40 50 percent of volatility in overall cross border banking flows in particular the contribution of the global common factor increased in the 2000s simultaneously main determinants are largely heterogeneous across countries this implies that the desirable policy response to credit inflows may differ for each host country

equilibrium interest rates and financial liberalisation in developing countries it is a central argument of the financial repression literature that interest rates should be determined by the market to reflect the true cost of capital this article suggests that the notion of an equilibrium interest rate may be undefined since the rate required to balance financial markets differs from that required to equilibrate savings and investment thus liberalisation introduces an intrinsic instability into the financial system as a result of portfolio adjustment the article examines the chilean and korean experiences and concludes that a sustainable reform requires positive but low real interest rates and broad regulation of the financial system to ensure macroeconomic stability

moral hazard asset price bubbles capital flows and the east asian crisis the first tests we examine the view that the recent east asian crisis was precipitated by bursting asset price bubbles which had been fuelled by strong capital inflows that were largely the result of a moral hazard problem in financial intermediation and was exacerbated by a vicious cycle of asset price deflation and incipient and actual capital flight we find evidence of stock market bubbles in all east asian economies examined although not in australia we examine various categories of capital flows to these countries and find in particular relatively high reversible components in portfolio flows to east asian economies

commodity markets price limiters and speculative price dynamics abstract we develop a behavioral commodity market model with consumers producers and heterogeneous speculators to characterize the nature of commodity price fluctuations and to explore the effectiveness of price stabilization schemes within our model we analyze how nonlinear interactions between market participants can create either bull or bear markets or irregular price fluctuations between bull and bear markets through a global homoclinic bifurcation both the imposition of a bottoming price level to support producers or a topping price level to protect consumers can eliminate such homoclinic bifurcations and hence reduce market price volatility however simple policy rules such as price limiters may have unexpected consequences in a complex environment a minimum price level decreases the average price while a maximum price limit increases the average price in addition price limiters influence the price dynamics in an intricate way and may cause volatility clustering

representativeness of news and exchange rate dynamics abstract guided by psychological evidence we develop a behavioral exchange rate model in which investors perception of fundamental shocks switches between two states according to the representativeness heuristic agents underestimate the informational content of news in calm periods whereas they overreact to news if they encounter a series of distinct exchange rate changes simulations indicate that the model mimics the behavior of actual exchange rates quite well for instance we observe fat tails for the distribution of the returns and volatility clustering

the enactment of socio technical transition pathways a reformulated typology and a comparative multi level analysis of the german and uk low carbon electricity transitions 1990 2014 abstract this paper aims to make two contributions to the sustainability transitions literature in particular the geels and schot 2007 res policy 36 3 399 transition pathways typology first it reformulates and differentiates the typology through the lens of endogenous enactment identifying the main patterns for actors formal institutions and technologies second it suggests that transitions may shift between pathways depending on struggles over technology deployment and institutions both contributions are demonstrated with a comparative analysis of unfolding low carbon electricity transitions in germany and the uk between 1990 2014 the analysis shows that germany is on a substitution pathway enacted by new entrants deploying small scale renewable electricity technologies rets while the uk is on a transformation pathway enacted by incumbent actors deploying large scale rets further analysis shows that the german transition has recently shifted from a stretch and transform substitution pathway to a fit and conform pathway because of a fightback from utilities and altered institutions it also shows that the uk transition moved from moderate to substantial incumbent reorientation as government policies became stronger recent policy changes however substantially downscaled uk renewables support which is likely to shift the transition back to weaker reorientation

asset price and wealth dynamics in a financial market with heterogeneous agents abstract this paper considers a discrete time model of a financial market with one risky asset and one risk free asset where the asset price and wealth dynamics are determined by the interaction of two groups of agents fundamentalists and chartists in each period each group allocates its wealth between the risky asset and the safe asset according to myopic expected utility maximization but the two groups have heterogeneous beliefs about the price change over the next period the chartists are trend extrapolators while the fundamentalists expect that the price will return to the fundamental we assume that investors optimal demand for the risky asset depends on wealth as a result of crra utility a market maker is assumed to adjust the market price at the end of each trading period based on excess demand and on changes of the underlying reference price the model results in a nonlinear discrete time dynamical system with growing price and wealth processes but it is reduced to a stationary system in terms of asset returns and wealth shares of the two groups it is shown that the long run market dynamics are highly dependent on the parameters which characterize agents behaviour as well as on the initial condition moreover for wide ranges of the parameters a locally stable fundamental steady state coexists with a stable non fundamental steady state or with a stable closed orbit where only chartists survive in the long run such cases require the numerical and graphical investigation of the basins of attraction other dynamic scenarios include periodic orbits and more complex attractors where in general both types of agents survive in the long run with time varying wealth fractions

hot money in bank credit flows to emerging markets during the banking globalization era this paper investigates the relative importance of hot money in bank credit and portfolio flows from the us to 18 emerging markets over the period 1988 2012 we deploy state space models a la kalman filter to identify the unobserved hot money as the temporary component of each type of flow the analysis reveals that the importance of hot money relative to the permanent component in bank credit flows has significantly increased during the 2000s relative to the 1990s this finding is robust to controlling for the influence of push and pull factors in the two unobserved components the evidence supports indirectly the view that global banks have played an important role in the transmission of the global financial crisis to emerging markets and endorses the use of regulations to manage international capital flows

some effects of transaction taxes under different microstructures we show that the effectiveness of transaction taxes depends on the market microstructure within our model heterogeneous traders use a blend of technical and fundamental trading strategies to determine their orders in addition they may become inactive if the profitability of trading decreases we find that in a continuous double auction market the imposition of a transaction tax is not likely to stabilize financial markets since a reduction in market liquidity amplifies the average price impact of a given order in a dealership market however abundant liquidity is provided by specialists and thus a transaction tax may reduce volatility by crowding out speculative orders

what lessons have been learned in reforming the renewables obligation an analysis of internal and external failures in uk renewable energy policy abstract despite operating a delivery programme for res e since 1990 uk targets and policy goals have not been achieved in response the government reformed the ro this article re examines uk renewable energy policy by analysing the internal and external failures of the various mechanisms to determine if government has learnt from previous experience in reforming the ro government did not learn from their own actions during the nffo ro transition evidenced by high levels of similarity in internal external failures the reformed ro is expected to significantly increase deployment has provided a renewables package by comprehensively addressing both internal external failures but major internal failures price financial risk still remain resulting in contiguous failures over two decades and two mechanism changes nffo ro ro reformed ro success will again be heavily dependent on a select few technologies and new untested measures to combat external failures mechanism extension to 2037 is probably the single most important factor underlying potential deployment increases however introducing a fit like system via the sheer number of bolt on reforms to counter policy failures indicates loss of direction and clarity overall although government appears to have learnt some of its lessons from the past two decades significant doubt remains whether renewable energy policy objectives will be met via the latest mechanism change

capital flows to developing countries this article focuses on the determinants of the large portfolio flows from the united states to latin american and asian countries during 1988 92 cointegration techniques reveal that both domestic and global factors explain bond and equity flows to developing countries and represent significant long run determinants of portfolio flows the article also investigates the dynamics of portfolio flows by estimating seemingly unrelated error correction models global and country specific factors are equally important in determining the long run movements in equity flows for both asian and latin american countries while global factors are much more important than domestic factors in explaining the dynamics of bond flows u s interest rates are a particularly important determinant of the short run dynamics of portfolio especially bond flows to developing countries

the impact of environmental policy instruments on innovation a review of energy and automotive industry studies various types of policy instruments have been implemented to reduce local and global emissions but the impact on innovation of different instruments has received less attention this paper reviews empirical studies of the innovation impact of four main types of policy instruments in two high emitting sectors the conclusions are threefold 1 policy plays a key role for the development and diffusion of environmental innovation in the studied sectors 2 different types of instruments promote different types of innovations general economic instruments has primarily encouraged incremental innovation general regulatory instruments has enforced improvements based on modular innovation and technology specific instruments appears to have been needed to support the development and deployment of radically new technologies 3 all types of policy instruments face challenges in design and implementation understanding the selection impact of the chosen instruments implementing increasing stringency levels committing to an appropriate scale and safeguarding policy stability

an economic theory of church strictness this paper introduces spatial location models into the economics of religion we offer a new explanation for the observed tendency of state monopoly churches to locate toward the low tension end of the strictness continuum obtained through the conjunction of benevolent preferences denominations care about the aggregate utility of members and asymmetric costs of going to a more or less strict church than one prefers we derive implications regarding the relationship between religious strictness and membership religious market interactions and asymmetric costs of membership highlight new explanations for some well established stylised facts opening the way to new empirical comparisons with more traditional explanations

innovation and policy for bioenergy in the uk a co evolutionary perspective de laurentis c innovation and policy for bioenergy in the uk a co evolutionary perspective regional studies this paper analyses the role of niche innovation and regime interaction in the field of renewable energy in the uk adopting a co evolutionary approach and a dynamic multilevel perspective on system innovation it investigates niches development in the uk in the field of bioenergy and its interaction with the current energy regime contributing to the debate about spatial scales at which sustainability transitions can be conceptualized the paper utilizes the case of niche development in the region of wales to provide supporting evidence of the importance of context specific social and political relations that may foster or hinder regime transformation

international capital mobility in the long run and the short run can we still learn from saving investment data the idea to learn about international capital mobility from saving and investment data remains appealing our approach is based on var methods and overcomes some of the problems associated with saving investment regressions when the data are non stationary we propose a new measure of long run capital mobility that can be easily calculated as a by product of the estimation procedure of a cointegrated var in an application to historical us and british data we find long run capital mobility to have been remarkably stable over the century whereas variations in the mobility of capital primarily seem to have affected short run capital flows

modelling portfolio capital flows in a global framework multilateral implications of capital controls abstract in the aftermath of the global financial crisis many emerging market countries resorted to capital controls to tackle the excessive surge of capital inflows a number of recent research papers have suggested that the imposition of controls may have imposed negative externalities on other countries by deflecting flows our aim in the research reported in this paper is to assess the efficacy of capital controls and potential deflection effects on other countries by constructing a comprehensive global econometric model which captures the dynamic interactions of capital flows with domestic and global fundamentals the results suggest that capital controls are effective for some countries in the short run but have no lasting effects moreover there is only limited evidence of deflection effects for a small number of emerging market countries

understanding interdependence the macroeconomics of the open economy list of figureslist of tablesintroduction1the endogeneity of exchange rate regimes32exchange rate behavior under alternative exchange rate arrangements343panel one money for how many 844exchange rates prices and external adjustment in the united states and japan1075the dynamic optimizing approach to the current account theory and evidence1696international capital mobility in the 1990s2017a retrospective on the debt crisis2628trade liberalization in disinflation2919inflation and growth in an integrated approach31310panel the outlook for stabilization and reform in central and eastern europe36811international cooperation in the making of national macroeconomic policies where do we stand 39112the political economy of monetary union44813what do we need to know about the international monetary system 509conference participants531author index535subject index543

a robust rational route to randomness in a simple asset pricing model abstract we investigate asset pricing dynamics in an adaptive evolutionary asset pricing model with fundamentalists trend followers and a market maker agents can choose between a fundamentalist strategy at positive information cost or choose a trend following strategy for free price adjustment is proportional to the excess demand in the asset market agents asynchronously update their strategy according to realized net profits in the recent past as agents become more sensitive to differences in strategy performance the fundamental steady state becomes unstable and multiple steady states may arise as the traders sensitivity to differences in fitness increases a bifurcation route to chaos sets in due to homoclinic bifurcations of stable and unstable manifolds of the fundamental steady state

heterogeneous speculators endogenous fluctuations and interacting markets a model of stock prices and exchange rates abstract we develop a discrete time model in which the stock markets of two countries are linked via and with the foreign exchange market the foreign exchange market is characterized by nonlinear interactions between technical and fundamental traders such interactions may generate complex dynamics and recurrent switching between bull and bear market phases via a well known pitchfork and period doubling bifurcation path when technical traders become more aggressive the two stock markets are populated by fundamentalists and prices tend to evolve towards stable steady states driven by linear laws of motion a connection between such markets is established by allowing investors to trade abroad and the resulting three dimensional dynamical system is analyzed one goal of our paper is to explore potential spill over effects between foreign exchange and stock markets a second related goal is to study how the bifurcation sequence which characterizes the market with heterogeneous speculators is modified in the presence of interactions with other markets

the price is right but are the bids an investigation of rational decision theory the television game show the price is right is used as a laboratory to conduct a preference free test of rational decision theory in an environment with substantial economic incentives it is found that contestants strategies are transparently suboptimal in response to this evidence simple rules of thumb are developed that are shown to explain observed bidding patterns better than rational decision theory further learning during the show reduces the frequency of strategic errors this is interpreted as evidence of bounded rationality finally there is no evidence that a concern for fairness significantly alters bidding behavior copyright 1996 by american economic association

hot money accounting labels and the permanence of capital flows to developing countries an empirical investigation using maximum likelihood kalman filtering techniques and non parametric variance ratio statistics we gauge the relative importance of permanent and temporary components of capital flows to latin american and asian developing countries over the period 1988 1997 for the broad categories of flows in the capital account equity flows ef bond flows bf official flows of commercial bank credit bc and foreign direct investment fdi we find relatively low permanent components in ef bf and of while commercial bc flows appear to contain quite large permanent components and fdi flows are almost entirely permanent these results have a natural interpretation and clear policy implications

network structure and n dependence in agent based herding models abstract we derive microscopic foundations for a well known probabilistic herding model in the agent based finance literature while the model is quite robust with respect to behavioral heterogeneity the network structure describing the very feasibility of agent interaction turns out to have a crucial and non trivial impact on the macroscopic properties of the model

a survey of some recent econometric methods this survey is written mainly for the applied economist though we hope that the specialist econometrician will find something of interest too our aim has been to try to bring the applied worker as up to date as possible and in the process to improve the quality of applied work by providing access to the latest ideas in econometrics we have tried to describe and explain in a relatively non technical way the main developments that have taken place in the last ten years partly for reasons of space the survey is by no means exhaustive but it does cover a wide range of topics in both time series and cross section analysis among the subjects covered are the followoing the nature of data including integrated and fractionally integrated data four estimation methods maximum likelihood method of moments m estimators and non parametric estimation inference with stationary and integrated regressors a comparison of various model evaluation principles the formulation of models including dynamic specification cointegration and conditional expectations in mean and variance copyright 1989 by royal economic society

order aggressiveness pre trade transparency and long memory in an order driven market abstract recent empirical research has documented that the state of the limit order book influences stock investors strategies investors place more aggressive orders when the same side of the order book is thicker and less aggressive orders when it is thinner we conjecture and demonstrate that this behavior is related to long memories of trading volume volatility and order signs in stock markets we investigate our conjecture in two types of artificial stock markets a transparent market in which agents observe all limit orders on both sides of the book and order volumes at those prices before they trade and a less transparent market in which agents observe only the best five bid and ask quotes with the depth available at these limit prices the first market structure resembles certain actual stock exchanges in the level of pre trade transparency such as the australian stock exchange nyse openbook and the london stock exchange whereas the second market structure is consistent with stock exchanges such as euronext paris the toronto stock exchange the tokyo stock exchange and hong kong exchanges and clearing we demonstrate that our long memory results are robust with different levels of pre trade transparency implying that the strategy constructed by the state of the order book is key for explaining long memories in many actual stock exchanges

liberalization fdi and growth in developing countries a panel cointegration approach using a panel cointegration framework the article explores the two way link between fdi and growth for a panel of 23 developing countries in addition it investigates the impact of liberalization on the dynamics of the fdi and gdp relationship a long run cointegrating relationship is found between fdi and gdp after allowing for heterogeneous country effects the cointegrating vectors reveal a bidirectional causality between gdp and fdi for more open economies for relatively closed economies long run causality appears unidirectional and runs from gdp to fdi implying that growth and fdi are not mutually reinforcing under restrictive trade and investment regimes

the new wave of private capital inflows push or pull abstract this paper studies the determinants and sustainability of the widespread private capital inflows to middle income countries after 1989 the key question is whether these flows are mostly pulled by attractive domestic conditions or pushed by unfavorable conditions in developed countries an analytical model focusing on country risk is developed and used empirically it is argued that the observed improvement in country creditworthiness is mostly due to the decline in international interest rates and that therefore its importance as a proximate cause does not support the pull interpretation all things considered in most countries the key answer that emerges is push

on the reinterpretation of money demand regressions a stylized fact concerning estimated money demand relationships is that lagged dependent variables have high explanatory power and large estimated coefficients which is hard to explain at a theoretical level marvin s goodfriend 1985 suggests that this may be due to the presence of serially correlated measurement errors in the independent variables the author demonstrates how consistent estimates of the short run demand function can be obtained even if the goodfriend hypothesis is accepted and also how the hypothesis might be tested application of the suggested test using the goldfeld 1973 data set leads to decisive rejection of the hypothesis copyright 1994 by ohio state university press

price competition when consumer behavior is characterized by conformity or vanity it has long been recognized that the pleasure of consuming a good may be affected by the consumption choice of other consumers in some cases social pressures may lead to conformity in some others individuals may feel the need of exclusiveness under the form of vanity such externalities have proven to be important in several markets however the market implication of these externalities are still unclear to investigate them we propose to combine the consumption externality model and the spatial duopoly model when conformity is present but not too strong both firms remain in business but price competition is fiercer and results in lower prices the market share of the large firm increases with the population size as the population keeps rising the large firm may serve the entire market and set a price that has the nature of a limit price when conformity is strong enough different equilibria may exist in most of these equilibria a single firm captures the whole market at the other extreme when vanity is at work price competition is relaxed

the existence of equilibrium in discontinuous economic games i theory the article presents information about the existence of equilibrium in discontinuous economic games in this paper and its sequel presents study the existence of nash equilibrium in games where agents payoff functions are discontinuous the enquiry is motivated by a number of recent studies that have uncovered serious existence problems in seemingly innocuous economic games in the sequel to this paper authors have explained the utility function in the economic games referred to earlier are neither continuous nor quasi concave however they demonstrate that the payoff functions in mildly modified versions of these constructs exhibit two weaker forms of continuity which together with the requirement of quasi concavity suffice for the existence of an equilibrium from this one may conclude that at least in the modified versions of these models discontinuities in the payoff functions are not the real source of the problem rather it is the failure of the payoff functions to the quasi concave which is responsible for the non existence of equilibrium these observations bear on the existence of nash equilibrium in pure strategies

wheels within wheels within wheels the importance of capital inflows in the origin of the spanish financial crisis with the creation of the euro the spanish economy established an exchange rate regime similar to that adopted by many emerging economies during the 1990s at the same time the eurozone as a whole adopted a currency system with features similar to the us currency regime in emerging economies as in the us economy the adoption of these models was accompanied by strong growth in capital inflows as well as severe financial mostly banking and or macroeconomic mostly trade imbalances several authors have linked capital inflows with imbalances as cause and effect this work uses some of those arguments along with statistical data on the characteristics and evolution of capital inflows registered by the spanish economy and by the eurozone as a whole in order to propose a causal link between post euro exchange rate regimes adopted in spain capital inflows and the imbalances that preceded the financial crisis of 2008

exchange rate dynamics central bank interventions and chaos control methods abstract we use a simple chartist fundamentalist model developed by day and huang to explore recent chaos control algorithms as potential candidates for central bank intervention rules we find that methods such as delayed feedback control ogy and constant feedback have in principle the potential to reduce exchange rate variability and deviations from fundamentals even in the presence of large dynamic noise

examining the effectiveness of price limits in an artificial stock market abstract this paper proposes an agent based framework to examine the effectiveness of price limits in an artificial stock market the market is composed of many boundedly rational and heterogeneous traders whose learning behavior is represented by a genetic programming algorithm we calibrate the model to replicate several stylized facts observed in real financial markets based on this environment the impacts of price limits are analyzed from the perspectives of volatility price distortion volume and welfare we find that the imposition of price limits possesses both positive and negative effects however compared with the market without price limits appropriate price limits help to reduce volatility and price distortion and increase the liquidity and welfare

comparing the innovation effects of support schemes for renewable electricity technologies a function of innovation approach abstract the aim of this paper is to provide a comparative assessment of the innovation effects of instruments which support the diffusion of renewable electricity technologies with a functions oriented technological innovation system perspective the paper provides a link between two major streams of the literature the functions of innovation systems and the literature on renewable electricity support schemes we show that when a functional perspective is adopted feed in tariffs are likely to be superior to other policy instruments quotas with tradable green certificates and tendering although they still need to be complemented with other instruments most importantly direct r d support furthermore those innovation effects are affected by the specific design elements of the instruments chosen

on the complicated price dynamics of a simple one dimensional discontinuous financial market model with heterogeneous interacting traders abstract we develop a financial market model with heterogeneous interacting agents market makers adjust prices with respect to excess demand chartists believe in the persistence of bull and bear markets and fundamentalists bet on mean reversion moreover speculators trade asymmetrically in over and undervalued markets and while some of them determine the size of their orders via linear trading rules others always trade the same amount of assets the dynamics of our model is driven by a one dimensional discontinuous map despite the simplicity of our model analytical graphical and numerical analysis reveals a surprisingly rich set of interesting dynamical behaviors

heterogeneous expectations exchange rate dynamics and predictability abstract this paper proposes a simple chartist fundamentalist model in which we allow for nonlinear time variation in chartists extrapolation rate estimation of the model using monthly data for the major currencies vis a vis the us dollar shows that the model is significant in sample and that it has out of sample predictive power for some of the currencies we investigate the power of tests of the random walk model to detect predictability against the alternative of the proposed model we find that the evidence of short term unpredictability and the long term predictability are consistent with our model

speculative markets and the effectiveness of price limits abstract the aim of this paper is to study the effectiveness of price limits in speculative markets we construct a nonlinear stochastic asset pricing model in which traders rely on technical and fundamental analysis to determine their orders the dynamics of the model mimic stylized facts such as the emergence of bubbles excess volatility fat tails for returns or volatility clustering quite well using this model as a laboratory we find that price limits have the potential to reduce both volatility and deviations from fundamentals the more traders lend themselves to trend extrapolating behavior the better price limits work

a functional coefficient model view of the feldstein horioka puzzle what does the saving investment si relation really measure and how should the si relation be measured these are two of the most discussed issues triggered by the so called feldstein horioka puzzle based on panel data we introduce a new variant of functional coefficient models that allows to separate long and short to medium run parameter dependence the new modeling framework is applied to uncover the determinants of the si relation macroeconomic state variables such as openness the age dependency ratio government current and consumption expenditures are found to affect the si relation significantly in the long run

global economic divergence and portfolio capital flows to emerging markets this paper studies the role of global and regional variations in economic activity and policy in developed world in driving portfolio capital flows pcfs to emerging markets ems results suggest that pcfs to ems depend mainly on economic activity at the global level and monetary policy in america and asia positively on the former and negatively on the latters pcfs are procyclical with respect to global activity but countercyclical to regional activity in aggregate regional variations contribute more than global variations this implies that economic divergence in the developed world can have significant effects on ems via pcfs

what drives international portfolio flows understanding what drives international portfolio flows has important policy implications for countries wishing to exert some control on the size direction and volatility of the flows this paper empirically assesses the relative contribution of common push and country specific pull factors to the variation of bond and equity flows from the us to 55 other countries using a bayesian dynamic latent factor model we find that more than 80 of the variation in bond and equity flows is due to push factors from the us to other countries hence global economic forces seem to prevail over domestic economic forces in explaining movements in international portfolio flows the dynamics of push and pull factors can be partially explained by us and foreign economic fundamentals

hybrid renewable energy support policy in the power sector the contracts for difference and capacity market case study abstract the article employs qualitative methods in contextualizing and conceptualizing the hybrid renewable energy support policy it claims that hybrid policies may combine distinct mechanisms to drive desirable objectives better than traditional policies a policy cycle helps to frame the united kingdom s contracts for difference and capacity market cfd cm scheme as a case study the cfd cm policy emerged to address environmental and energy challenges through the deployment of renewable energy re in a low carbon economy employing liberalization environmental protection is foremost in this scheme the policy combines and improves on the elements of feed in tariff fit and quota obligation qo and strives to solve the problems of these traditional policies it addresses regulatory uncertainty under fit by employing private law mechanics to guarantee above loss reward for low carbon generation and addresses market uncertainty under qo by incentivizing the capacity to supply future low carbon energy based on projected demand hence creating a predictable and stable market it also accommodates other important commitments overall the cfd cm scheme is a hybrid policy that engages the energy market mainly for advancing the end goal of environmental protection to thrive however it needs to meet private sector interests substantially

varieties of agents in agent based computational economics a historical and an interdisciplinary perspective in this paper we trace four origins of agent based computational economics ace namely the markets origin the cellular automata origin the tournaments origin and the experiments origin along with this trace we examine how these origins have motivated different concepts and designs of agents in ace which starts from the early work on simple programmed agents randomly behaving agents zero intelligence agents human written programmed agents autonomous agents and empirically calibrated agents and extends to the newly developing cognitive agents psychological agents and culturally sensitive agents the review also shows that the intellectual ideas underlying these varieties of agents cross several disciplines which may be considered as a part of a general attempt to study humans and their behavior with an integrated interdisciplinary foundation

capital flows to developing countries long and short term determinants this article focuses on the determinants of the large portfolio flows from the united states to latin american and asian countries during 1988 92 cointegration techniques reveal that both domestic and global factors explain bond and equity flows to developing countries and represent significant long run determinants of portfolio flows the article also investigates the dynamics of portfolio flows by estimating seemingly unrelated error correction models global and country specific factors are equally important in determining the long run movements in equity flows for both asian and latin american countries while global factors are much more important than domestic factors in explaining the dynamics of bond flows u s interest rates are a particularly important determinant of the short run dynamics of portfolio especially bond flows to developing countries copyright 1997 by oxford university press

globalization and the decline of the welfare state in less developed countries why have trends in government welfare spending in developing countries diverged from those in developed countries i address this question by investigating the effects of capital and trade flows on government welfare spending in fifty three developing countries using an original measure of labor power in developing countries i test the links between international markets labor s political strength and the welfare state i argue that labor s collective action problems caused by large populations of low skilled and surplus workers offset labor s potential political gains from globalization i show that when the proportion of low skilled workers in a nation is high globalization will lead to a decline in welfare spending most significantly the results suggest that in nations where labor market institutions are not yet well developed government social welfare spending is constrained by international market forces

international capital crunches the time varying role of informational asymmetries we examine the determinants of capital flows to four developing countries during the 1990s using an explicitly disequilibrium econometric framework in which the supply and demand for capital are not necessarily equal and the actual amount of the flow is determined by the short side of the market we are thus able to detect instances of international capital crunch where capital flows are curtailed because of supply side rationing and to relate these instances to movements in the underlying fundamentals the analysis highlights the role of asymmetric information as distinct from the traditional concern with default risk in conditioning capital flows

the feldstein horioka puzzle revisited abstract this paper confirms the evidence that the feldstein horioka test does not reflect capital mobility in the real side world economy but only the variability between external and domestic saving

devising renewable heat policy overview of support options renewable energy sources of heat offer the substantial economic environmental and social benefits associated with renewable electricity but policy to support their expansion is considerably less advanced the potential for applying various support instruments to renewable heat is considered with advantages and disadvantages discussed c 2012 published by elsevier ltd

regulation in the market for education and optimal choice of curriculum we analyze educational institutions incentives to set up demanding or lax curricula in duopolistic markets for education with endogenous enrolment of students we assume that there is a positive externality of student achievement on the local economy comparing the case of regulated tuition fees with an unregulated market we identify the following ine ciencies under regulated tuition fees schools will set up ine ciently lax curricula in an attempt to please low quality students even if schools internalize some of the externality on the other hand unregulated schools set up excessively di erentiated curricula in order to relax competition in tuition fees deregulation gets more attractive if a larger fraction of the externality is internalized

controls on capital inflows do they work abstract this paper analyzes the effectiveness of controls on capital inflows in particular we analyze in great detail the chilean experience with the use of the unremunerated reserve requirement we examine the effects of the controls applied in chile in 1991 1998 on interest rates real exchange rate and the volume and composition of capital inflows the effects are elusive and it is difficult to pin down long run effects although after the unremunerated reserve requirement was introduced there was an increase in the interest rate differential the econometric evidence does not show it has a significant long run effect also we detect very small effects on the real exchange rate however the more persistent and significant effect is on the composition of capital inflows tilting composition toward longer maturity

distributive fairness in paying for clean energy infrastructure despite the rapid rise in public expenditure on clean energy infrastructure there has been little discussion about what constitutes a fair distribution of this new spending burden we examine four ethical principles that speak to different notions of fairness in the way this burden can and should be shared and use them to produce three normative criteria for pursuing fairness in the clean energy fiscal policy context we use these criteria to examine the extent to which fairness is being achieved in large clean energy roll out programs in australia california and the united kingdom maintaining a close focus on providing practical guidance for decision makers in similar policy contexts we find that fairness is more achievable when program design explicitly considers which households should pay for the program and which should be exempt when the idea of proportionality guides the distribution of the cost across paying households and when the interests of low income households are protected by ensuring that they share in the benefits of the program for example

the surge in capital inflows to developing countries an analytical overview after being excluded from world capital markets during the debt crisis many developing countries have experienced large capital inflows during the past five years the challenges that these inflows pose for domestic policy in recipient countries have generated a substantial literature this article presents an overview of that literature describing the characteristics of the new inflows analyzing the policy issues they raise assessing their causes and likely sustainability and evaluating potential policy responses the desirable policy response is tied to characteristics of the flows themselves as well as to the characteristics of the recipient economy

the use of fundamental and technical analyses by foreign exchange dealers hong kong evidence abstract this article reports the results of a questionnaire survey conducted in february 1995 on the use by foreign exchange dealers in hong kong of fundamental and technical analyses to form their forecasts of exchange rate movements our findings reveal that 85 of respondents rely on both fundamental and technical analyses for predicting future rate movements at different time horizons at shorter horizons there exists a skew towards reliance on technical analysis as opposed to fundamental analysis but the skew becomes steadily reversed as the length of horizon considered is extended technical analysis is considered slightly more useful in forecasting trends than fundamental analysis but significantly more useful in predicting turning points interest rate related news is found to be a relatively important fundamental factor in exchange rate forecasting while moving average and or other trend following systems are the most useful technical technique

modeling and analysis of renewable energy obligations and technology bandings in the uk electricity market in the uk electricity market generators are obliged to produce part of their electricity with renewable energy resources in accordance with the renewable obligation order since 2009 technology banding has been added meaning that different technologies are rewarded with a different number of certificates we analyze these two different renewable obligation policies in a mathematical representation of an electricity market with random availabilities of renewable generation outputs and random electricity demand we also present another alternative banding policy we provide revenue adequate pricing schemes for the three obligation policies we carry out a simulation study via sampling a key finding is that the uk banding policy cannot guarantee that the original obligation target is met hence potentially resulting in more pollution our alternative provides a way to make sure that the target is met while supporting less established technologies but it comes with a significantly higher consumer price furthermore as an undesirable side effect we observe that a cost reduction in a technology with a high banding namely offshore wind leads to more co2 emissions under the uk banding policy and to higher consumer prices under the alternative banding policy

uk innovation systems for new and renewable energy technologies drivers barriers and systems failures abstract a better understanding of the systemic processes by which innovation occurs is useful both conceptually and to inform policy making in support of innovation in more sustainable technologies this paper analyses current innovation systems in the uk for a range of new and renewable energy technologies and generates policy recommendations for improving the effectiveness of these innovation systems although incentives are in place in the uk to encourage innovation in these technologies system failures or gaps are identified in moving technologies along the innovation chain preventing their successful commercialisation sustained investment will be needed for these technologies to achieve their potential it is argued that a stable and consistent policy framework is required to help create the conditions for this in particular such a framework should be aimed at improving risk reward ratios for demonstration and pre commercial stage technologies this would enhance positive expectations stimulate learning effects leading to cost reductions and increase the likelihood of successful commercialisation