a new decision rule for lateral transshipments in inventory systems this paper deals with a single echelon inventory system consisting of a number of parallel local warehouses facing compound poisson demand there are standard holding and backorder costs as well as ordering costs at all warehouses normally the warehouses replenish from an outside supplier however lateral transshipments between the warehouses are also possible such transshipments take no time but incur additional costs when a demand occurs at a warehouse the question is whether the whole demand or part of it should be covered by a lateral transshipment from another warehouse given a set of alternative decisions our decision rule minimizes the expected costs under the assumption that no further transshipments will take place this rule is then used repeatedly as a heuristic a simulation study illustrates how the suggested technique performs under different conditions

the benefits of advance booking discount programs model and analysis consider a retailer who sells perishable seasonal products with uncertain demand due to the short sales season and long replenishment lead times associated with such products the retailer is unable to update demand forecasts by using actual sales data generated from the early part of the season and to respond by replenishing stocks during the season to overcome this limitation we examine the case in which the retailer develops a program called the advance booking discount abd program that entices customers to commit to their orders at a discount price prior to the selling season the time between placement and fulfillment of these precommitted orders provides an opportunity for the retailer to update demand forecasts by utilizing information generated from the precommitted orders and to respond by placing a cost effective order at the beginning of the selling season in this paper we evaluate the benefits of the abd program and characterize the optimal discount price that maximizes the retailer s expected profit

macroeconomic forecasts and microeconomic forecasters in the presence of principal agent problems published macroeconomic forecasts by professional economists may not measure expectations forecasters may use their forecasts in order to manipulate beliefs about their ability i test a cross sectional implication of models of reputation and information revelation i find that as forecasters become older and more established they produce more radical forecasts since these more radical forecasts are in general less accurate ex post forecast accuracy grows significantly worse as forecasters become older and more established these findings are consistent with reputational factors at work in professional macroeconomic forecasts

interest rate volatility and the term structure a two factor general equilibrium model we develop a two factor general equilibrium model of the term structure the factors are the short term interest rate and the volatility of the short term interest rate we derive closed form expressions for discount bonds and study the properties of the term structure implied by the model the dependence of yields on volatility allows the model to capture many observed properties of the term structure we also derive closed form expressions for discount bond options we use hansen s generalized method of moments framework to test the cross sectional restrictions imposed by the model the tests support the two factor model there are essentially two approaches to the modeling of the term structure of interest rates in continuous time the equilibrium approach pioneered by

testing the expectations hypothesis in the brazilian term structure of interest rates a cointegration analysis in this article the expectations hypothesis eh is tested using cointegration techniques for maturities ranging from 1 to 12 months for the brazilian market we found evidence suggesting that for the period 1995 2006 the cointegration implication generally seems to hold we also found strong evidence supporting causality from short to long rates and also in the opposite direction empirical evidence supports the expectations theory of the term structure of interest rates

parameter uncertainty and the rational expectations model of the term structure abstract numerous previous studies have observed that excess holding period returns on long term securities are correlated with yield spreads observable at the beginning of the period in apparent violation of the joint hypothesis consisting of the expectations model of the term structure and the rational expectations efficient markets hypothesis we show that the existing evidence is only inconsistent with the joint hypothesis if rational expectations means that expectations are muth rational i e that market participants know the exact true parameters of the process linking current information to future interest rates if they do not know but must estimate these parameters then the usual results will be observed even if the joint hypothesis holds

does central bank transparency impact financial markets a cross country econometric analysis blinder et al 2001 argues that more open public disclosure of central bank policies may enhance the efficiency of markets we examine this claim by studying for a set of seven industrialized countries whether selected central banks moves toward more open disclosure during the 1990s improved or worsened the predictability of the corresponding national financial markets employing methodologies analogous to campbell and schiller 1991 we find that for all countries the forecasting error has decreased for interest rates on the respective government bonds across most maturity lengths and that the expectations hypothesis has generally performed better at the short end of the yield curve our results also tentatively show that the effects are stronger for central banks that made the move to greater disclosure compared to those banks that resisted increasing the public s information set these findings are consistent with tabellini s 1987 view that central bank secrecy will hinder the smooth functioning of financial markets

exchange rate puzzles and distorted beliefs abstract we propose a new explanation for the foreign exchange forward premium and delayed overshooting puzzles we show that both puzzles arise from a systematic distortion in investors beliefs about the interest rate process accordingly the forward premium is always a biased predictor of future depreciation the bias can be so severe as to lead to negative coefficients in the fama regression delayed overshooting may or may not occur depending upon the persistence of interest rate innovations and the degree of misperception we document empirically the extent of this distortion using survey data for g 7 countries against the u s and find that it is strong enough to account for these irregularities

predictability in financial markets what do survey expectations tell us abstract there is widespread evidence of excess return predictability in financial markets for the foreign exchange market a number of studies have documented that the predictability of excess returns is closely related to the predictability of expectational errors of excess returns in this paper we investigate the link between the predictability of excess returns and expectational errors in a much broader set of financial markets using data on survey expectations of market participants in the stock market the foreign exchange market the bond market and money markets in various countries the results are striking first in markets where there is significant excess return predictability expectational errors of excess returns are predictable as well with the same sign and often even with similar magnitude this is the case for foreign exchange stock and bond markets second in the only market where excess returns are generally not predictable the money market expectational errors are not predictable either these findings suggest that an explanation for the predictability of excess returns must be closely linked to an explanation for the predictability of expectational errors

term premiums in bond returns abstract this paper examines expected returns on u s treasury bills and on u s government bond portfolios expected bill returns are estimated from forward rates and from sample average returns both estimation methods indicate that expected returns on bills tend to peak at eight or nine months and never increase monotonically out to twelve months reliable inferences are limited to treasury bills and thus to maturities up to a year the variability of longer term bond returns preempts precise conclusions about their expected returns

detecting spot price forecasts in futures prices futures markets are often described as having two important social functions first they facilitate the transfer of commodity price risk and second they provide forecasts of commodity prices the evidence that futures markets transfer price risk is irrefutable however there is some debate about the markets forecasting ability in particular forecasts based on the current spot price are often as good as those based on the futures price some economists cite a failure to detect superior forecast power in futures prices as evidence of market inefficiency see e g leuthold 1974 and martin and garcia 1981 there are at least two other explanations first there may be nothing for the futures market to forecast if the current spot price equals the true expectation of the future spot price the futures market cannot provide a better forecast second a superior futures market forecast may be obscured by the unexpected component of the realized spot price the true expectation of the future spot price is unobservable one must approximate this expectation with the actual future spot price

modelling household energy expenditures using micro data this paper is concerned with the empirical modeling of domestic demand for energy in the united kingdom at the level of the individual household a two stage budgeting model of household demand for energy conditional on durable ownership is developed at the first stage income is allocated between energy and nonenergy consumption while at the second stage energy expenditure is disaggregated the second stage allocation is assumed to be between gas electricity and a composite good other fuels estimation takes place using a sample of some 50 000 households drawn from the annual u k family expenditure survey for the years 1972 83 a source that has not been fully exploited in the analysis of energy demand to date copyright 1989 by royal economic society

macroeconomics and the term structure this paper provides an overview of the analysis of the term structure of interest rates with a special emphasis on recent developments at the intersection of macroeconomics and finance the topic is important to investors and also to policymakers who wish to extract macroeconomic expectations from longer term interest rates and take actions to influence those rates the simplest model of the term structure is the expectations hypothesis which posits that long term interest rates are expectations of future aver age short term rates in this paper we show that many features of the configuration of interest rates are puzzling from the perspective of the expectations hypothesis we review models that explain these anomalies using time varying risk premia although the quest for the fundamental macroeconomic explanations of these risk premia is ongoing inflation uncertainty seems to play a large role finally while modern finance theory prices bonds and other assets in a single unified framework we also consider an earlier approach based on segmented markets market segmentation seems important to understand the term structure of interest rates during the recent financial crisis jel e31 e43 e52 e58

do markets learn to rationally expect us interest rates an anchoring approach we propose an augmented and dynamic forecast anchoring model to examine whether a group of rational forecasters coexists with or emerges besides a group of forecasters employing heuristic rules th

inflation forecast errors and time variation in term premia the expectations theory of the term strueture is well known to give wrong signals as to the future course of long term interest rates one explanation involves rational time varying term premia however the anomaly may also be due to inflation forecast errors we study survey forecasts of inflation it seems that the respondents forecasts are insufficiently adaptive interest rates reflect expectations similar to the inflation forecasts as a result past survey forecast errors reliably predict premia on u s government bonds

joint inventory allocation and pricing decisions for perishable products abstract we jointly determine the price and the inventory allocation for a perishable product with a predetermined lifetime we assume that the price of the product increases as the time when it perishes approaches as in the airline industry demand for the product is price sensitive to maximize the expected revenue we developed a discrete time dynamic programming model to obtain the optimal prices and the optimal inventory allocations for the product with a two period lifetime we then proposed three heuristics when the lifetime is longer than two periods the computational results showed that the expected revenues from the proposed heuristics were very close to that of the optimal solution we extended these results to i the case where the price for the product consistently decreases and ii the case where the price for the product first increases and later decreases

testing the expectations hypothesis using long maturity forward rates abstract this paper reports on long maturity interest rates the results hardly vary across maturities using forward rate regressions the expectations hypothesis eh is numerically close to being accepted for a long short data set the eh is statistically rejected accepted

optimal timing problems in environmental economics abstract because of the uncertainties and irreversibilities that are often inherent in environmental degradation its prevention and its economic consequences environmental policy design can involve important problems of timing i use a simple two period model to illustrate these optimal timing problems and their implications for environmental policy i then lay out and solve a continuous time model of policy adoption in which the policy itself entails sunk costs and environmental damage is irreversible the model generalizes earlier work in that it includes two stochastic state variables one captures uncertainty over environmental change and the other captures uncertainty over the social costs of environmental damage solutions of the model are used to show the implications of these two types of uncertainty for the timing of policy adoption

a simple account of the behavior of long term interest rates recent empirical research on the term structure of interest rates has shown that the long term interest rate is well described by a distributed lag on short term interest rates but does not conform to the expectations theory of the term structure it has been suggested that the long rate overreacts to the short rate this paper presents aunified taxonomy of risk premia or deviations from the expectations theory this enables the hypothesis of overreaction to be formally stated it is shown that if anything the long rate has underreacted to the short rate however the independent movement of the long rate is primarily responsible for the failure of the expectations theory

the information in swedish short maturity forward rates in this paper we empirically study the relationship between implicit forward rates and corresponding interest rates in the short end of the swedish term structure the interest rates and forward ra

quebec residential electricity demand a microeconometric approach in this paper we use a micro approach to model quebec residential demand for electricity the model incorporates a joint continuous discrete decision framework which allows for interrelationships between decisions on electricity related durable holdings and those on usage in the spirit of recent studies which used a continuous discrete frame work the model parameters are estimated using a two stage approach at the first stage the decisions regarding space and water heating systems are modelled with a very flexible multinomial probit mnp framework then at the second stage the demand for electricity conditional on the chosen heating system is estimated using ordinary least squares and a correction is applied in order to eliminate a potential estimation bias the estimated short run and long run price and income elasticities have the correct signs and are rather small as is expected under such circumstances

nominal interest rates as indicators of inflation expectations forward interest rates have become popular indicators of inflation expectations theusefulness of this indicator depends on the relative volatilty and the correlation of inflation expectations and expected real interest rates this paper studies u s and u k data using a range of different tools and data sets the forward rate rule perfoms reasonably well in spite of significant movements in the expected real interest rate the reason is that the noise that movements in the expected real interest rate add to the inflation expectations is balanced by a tendency for expected real interest rates and inflation expectations to move in opposite directions

price sensitivity of residential energy consumption in norway abstract the main aim of this paper is to test the stability of the results of a model which focus on the relationship between the choice of heating equipment and the residential energy consumption the results for the income and energy price variables are of special interest stability in the time dimension is tested by applying the model on micro data for each of the years 1993 1995 the parameter estimates are stable within a 95 confidence interval however the estimated impact of the energy price variable on energy consumption was considerably weaker in 1994 than in 1993 and 1995 the results for two different income groups in the pooled data set are also subject to stability testing the energy price sensitivity in residential energy consumption is found to be higher for high income households than for low income households

term premia and inflation uncertainty empirical evidence from an international panel dataset this paper provides cross country empirical evidence on bond risk premia i construct a panel of zero coupon nominal government bond yields spanning ten industrialized countries and nearly two decades i hence compute forward rates and then use two different methods to decompose these forward rates into expected future short term interest rates and term premiums the first method uses an affine term structure model with macroeconomic variables as unspanned risk factors the second method uses surveys i find that term premium estimates declined across countries over the sample period especially in countries that appear to have reduced inflation uncertainty by making substantial changes in the monetary policy frameworks of their central banks during the recent financial crisis term premiums have remained flat and even declined further in some countries perhaps reflecting the effects of quantitative easing actions by many central banks

nested tests of alternative term structure theories controversies in term structure theory center around the existence and variability of term premia in securities yields in this paper the term premium on a default free n period bond is defined as the difference between its observable yield to maturity and the average expected per annum rate of return on an n period strip of rollover investments in one period bonds to test alternative term structure theories without introducing ex post proxies for expectational variables this paper uses a set of cross section interest rate forecasts collected jointly with burton malkiel of princeton university from a population of large institutional lenders at four different phases of a single interest rate cycle statistical tests strongly confirm the existence of nonzero term premia at each survey date thereby rejecting the pure expectations theory of the term structure additional tests are unable to reject restrictions implied by the liquidity premium hypothesis that term premia should be positive and increase with maturity finally contrary to the martingale hypothesis ex ante term premium data vary significantly overtime and show a positive association with the level of interest rates this abstract was borrowed from another version of this item

another look at yield spreads the role of liquidity liquidity plays an important role in explaining how banks determine their allocation of funds this paper examines whether this fact can explain yield spreads and the term structure of interest rates the paper models banks demand for liquidity in a manner similar to that used to study household need for liquidity namely by using a cash in advance type model the paper finds that the shadow price of the cash in advance constraint plays an important role in determining yield spreads the empirical part of the paper shows that the expectations hypothesis might be salvaged under the maintained hypothesis concerning the liquidity premium and risk premium

a note on the determinants of unexpected exchange rate movements abstract in this paper we study the relative importance of surprises in fundamentals in explaining unexpected exchange rate movements employing a unique survey dataset that contains matched exchange rate and interest rate expectations we are able to derive a number of interesting conclusions a variance decomposition of unexpected exchange rate movements into various components reveals that interest rate news is relatively unimportant but that changes in perceptions about risk premia and more importantly revisions of expectations with regard to future exchange rate levels are crucial in explaining unexpected exchange rate movements

does real interest parity hold at longer maturities abstract this paper investigates the validity of real interest parity rip for long maturities across the us britain and germany a standard view commonly referred to as the fisher hypothesis is that over long horizons movements in expected inflation dominate movements in nominal interest rates or that real interest rates are equal over the 1973 1991 sample period however rejections of conditional rip occur at all horizons extending from a quarter to five years the evidence indicates that there appears to be no tendency for expected real interest rates to be equalized over longer maturities

who benefits from transshipment exogenous vs endogenous wholesale prices this paper studies how transshipments affect manufacturers and retailers considering both exogenous and endogenous wholesale prices for a distribution system where a single manufacturer sells to multiple identical cost retailers we consider both the manufacturer being a price taker and the manufacturer being a price setter in a single period setup under multivariate normal demand distribution in the case of the manufacturer being a price taker we provide several analytical results regarding the effects of key parameters on order quantities and profits in the case of the manufacturer being a price setter we characterize the stackelberg game that arises and provide several insights into how the game dynamics are affected by transshipments specifically we find that risk pooling makes retailers order quantities less sensitive to the wholesale price set by the manufacturer hence in general the manufacturer benefits from retailers transshipments by charging a higher wholesale price while retailers are often worse off the paper captures the effect of demand correlation and the effect of the number of retailers throughout and it illustrates the findings by a numerical example we also provide an interactive web page for numerical experiments

the expectation hypothesis of the term structure of very short term rates statistical tests and economic value this paper re examines the validity of the expectation hypothesis eh of the term structure of us repo rates ranging in maturity from overnight to three months we extend the work of longstaff 2000a in two directions i we implement statistical tests designed to increase test power in this context ii more importantly we assess the economic value of departures from the eh based on criteria of profitability and economic significance in the context of a simple trading strategy the eh is rejected throughout the term structure examined on the basis of the statistical tests however the results of our economic analysis are favorable to the eh suggesting that the statistical rejections of the eh in the repo market are economically insignificant

the term structure spread and future changes in long and short rates in the g7 countries abstract according to the expectations hypothesis when the spread between long and short rates widens next quarter s long rate should rise in the united states however long rates decline instead of rising this anomaly is also present in canada the uk germany and japan four of the additional six g7 countries nevertheless in contrast to the us where long rates appear to overreact to expected future developments the anomalous short run movement of long rates in these other g7 countries is caused by an additive white noise error on long rates that does not materially affect the information in their term structure

federal reserve interest rate targeting rational expectations and the term structure abstract the amount of information in the yield curve for forecasting future changes in short rates varies with the maturity of the rates involved indeed spreads between certain long and short rates appear unrelated to future changes in the short rate contrary to the rational expectations hypothesis of the term structure this paper estimates a daily model of federal reserve interest rate targeting behavior which accompanied by the maintained hypothesis of rational expectations explains the varying predictive ability of the yield curve and elucidates the link between fed policy and the term structure

macroeconomic sources of risk in the term structure we develop a new way of modeling time variation in term premia based on the stochastic discount factor model of asset pricing the joint distribution of excess u s bond returns of different maturity and the observable fundamental macroeconomic factors is modeled using multivariate garch with conditional covariances in the mean to capture the term premia by testing the assumption of no arbitrage we derive a specification test of our model we estimate the contribution made to the term premia at different maturities through real and nominal sources of risk from the estimated term premia we recover the term structure of interest rates and examine how it varies through time finally we examine whether the reported failures of the rational expectations hypothesis can be attributed to an omitted time varying term premium

the empirical failure of the expectations hypothesis of the term structure of bond yields this paper tests the expectations hypothesis eh using us monthly data for bond yields spanning the 1952 2003 sample period and ranging in maturity from 1 month to 10 years we apply the lagrange multiplier test developed by bekaert and hodrick 2001 and extend it to increase the test power a by introducing economic variables as conditioning information and b by using more than two bond yields in the model and testing the eh jointly on more than one pair of yields while the conventional bivariate procedure provides mixed results the more powerful testing procedures suggest rejection of the eh throughout the maturity spectrum examined

stock interest rate risk and inflation shocks abstract in this paper we proceed to estimate a measure of the flow through capability of the firms listed on the spanish stock exchange the flow through capability is defined as the ability of firms to transmit inflation shocks to the prices of the products and services sold by the company according to a strand of the literature this flow through capability can to some extent explain the so called stock duration paradox which is the difference between the theoretical stock duration derived from the ddm model and its empirical estimates the line of reasoning suggests that if a company can pass on inflation shocks to the prices of its own outputs and then to profits and dividends nominal interest rate changes due to variations in the expected inflation will have a limited impact on stock prices so in this paper we first estimate the flow through capability for different industries and find great differences among them then we analyse the link between flow through capability and stock duration and find a significant negative relationship between them as claimed by part of the literature

what do you expect imperfect policy credibility and tests of the expectations hypothesis abstract the expectations hypothesis of the term structure of interest rates describes a conventional view of the transmission mechanism of monetary policy where bond rates reflect current and expected movements in the policy controlled rate however empirical rejections of the expectations hypothesis are commonplace and lead many to question this description of policy transmission this paper argues that failure to account for imperfect policy credibility may explain empirical rejections empirical rejections may occur even when changing anticipations of future short rates are the primary source of variation in bond rates and the standard term structure transmission channel remains valid

trade reduction vs multi stage a comparison of double auction design approaches with the growth of electronic markets designing double auction mechanisms that are applicable to emerging market structures has become an important research topic in this paper we investigate two truthful double auction design approaches the trade reduction approach and the multi stage design approach and compare their resulting mechanisms in various exchange environments we find that comparing with the trade reduction approach the multi stage design approach offers mechanisms applicable to more complicated exchange environments furthermore for the known trade reduction mechanisms we prove that the corresponding mechanisms under the multi stage design approach are superior in terms of both social efficiency and individual payoffs in each exchange environment of interest our computational tests show that the mechanisms under the multi stage design approach achieve very high efficiency in various scenarios

tests of the expectations hypothesis resolving the campbell shiller paradox one of the more puzzling results in the expectations hypothesis eh testing literature is the campbell shiller paradox csp in an influential paper campbell and shiller 1991 found that the slope of the term structure almost always gives a forecast in the wrong direction for the short term change in the yield on the longer bond but gives a forecast in the right direction for long term changes in short rates this paper provides an econometric resolution to the csp specifically it shows that by their construction these tests can generate results consistent with the csp if the eh does not holdnwhatever the reason monte carlo experiments confirm that this explanation can account for campbell and shiller s paradoxical results for most pairings of short term and long term rates considered

overreactions in the options market this paper examines the term structure of options implied volatilities using data on s p 100 index options because implied volatility is strongly mean reverting the implied volatility on a longer maturity option should move by less than one percent in response to a one percent move in the implied volatility of a shorter maturity option empirically this elasticity turns out to be larger than suggested by rational expectations theory long maturity options tend to overreact to changes in the implied volatility of short maturity options are investors rational do they behave like bayesian statisticians when it comes to incorporating new information into asset prices proponents of the efficient markets hypothesis would answer this question in the affirmative many others however believe that bayesian rationality is a poor description of investor behavior and that as a consequence asset prices tend to be informationally inefficient one way in which inefficiencies might arise is through the overreactions of traders to the arrival of new information 1 this possibility is raised by experimental and survey findings which indicate that people have a systematic tendency to overemphasize recent data at the expense of other information when making projections 2 the objective of this paper is to search for evidence of such overreactive behavior in a semingly peculiar place the options market options may appear to be unlikely candidates for overreaction because unlike primary securities their prices are closely tied down by arbitrage considerations as black and scholes 1973 demonstrate if stock price volatility is known options prices are completely determined any deviation from the prescribed value implies a riskless profit opportunity however given that volatility is in fact unknown and changing options do retain something of an independent nature not wholly redundant with their underlying stocks options can be thought of as reflecting a speculative market in volatility the implied volatility on a given option obtained by inverting a

electricity demand in multi family renter occupied residences this paper focuses on multi family renter occupied housing where the landlord provides major appliances a large residential sector that has not received widespread attention in the literature experimental data are used from a test where one group of households was billed directly for the electricity they consumed while a control group had unlimited electric service included as part of the monthly rent the empirical analysis yields short run demand estimates that satisfy to a remarkable extent the ceteris paribus assumptions of demand analysis this is the case for two reasons 1 the households did not individually execute the appliance choice decision at various unknown times in the past and 2 the stock of appliances upon which the derived short run demand is conditional is identical for all households in the sample a second important feature is emphasis on functional form examined in some detail is the question of the appropriate functional form for residential electricity demand finally empirical results of the analysis are used to investigate the cost effectiveness and welfare effects of installing submeters in existing multi family residences

entry timing in a secondary market when to trade abstract in volatile long lead time and short selling season markets a secondary market enables buyers to update their inventory during the selling season the decision of when to update involves complicated trade offs between forecast accuracy expected lost sales and average purchasing cost we use a two stage inventory replenishment model to identify the optimal trading time across different scenarios across most scenarios the optimal trading time is around the midpoint of the season and is sensitive to the expected profit margin and demand forecast errors we discuss the impacts of the timing decision on upstream suppliers sales and channel performance in terms of sales revenue and supply demand mismatch costs specifically secondary market trading always reduces upstream suppliers sales no matter when trading occurs but trading at an optimal time can maximize a secondary market s profit gain over the no trade scenario through reducing supply demand mismatch

the revival of the expectations hypothesis of the us term structure of interest rates abstract us interest rate data from 1987 to 1995 show a substantial predictive power of the spread for the short rate in line with the expectations hypothesis the estimation of a mccallum policy reaction model supports our conjecture that this striking result can be attributed to the adoption of the spread as an indicator for us monetary policy since the late eighties 1997 elsevier science s a

on risk rationality and the predictive ability of european short term adjusted yield spreads abstract in this paper a rolling vector error correction model vecm is proposed to construct measures of the market s time varying conditional expectations of the 3 month money rates starting 13 weeks hence for several major ems member countries vecm based predictions provide the basis for computing ex ante out of sample estimates of the term premia these term premia are then used to adjust the yield spreads as a prelude to investigating their ability to predict future interest rates the source s of the yield spread bias are discussed while the expectations hypothesis is resoundingly rejected using the standard test specification yield spreads adjusted for time varying term premia are found to possess substantial predictive ability and in many instances the expectations hypothesis is not rejected the robustness of the results across the different european money markets and sample periods is highly encouraging the test results underscore the importance of incorporating into the test specification the equilibrium cointegrating constraints if they exist jel g15 1997 elsevier science ltd

the expectations hypothesis new hope or illusory support abstract recent studies of the expectations hypothesis of the term structure ehts find evidence in favor of the ehts using post 1980s us data this has been attributed to the relative macro stability of this period and greater market efficiency using a panel of forecasts for 3 month interest rates for ten countries we test separately for ehts and rational expectations assuming rational expectations holds we find support for the ehts is illusory due to an off setting time varying term premia and non rational expectations previous forecast based studies suggest biased expectations tend to reinforce the effect of a time varying term premium this change can be understood in the context of fama s 2006 argument that markets tend to underestimate future spot rates during periods of long run increases and overestimate during declines

investment timing and learning externalities abstract we study a duopoly model of investment in which each player learns about the quality of a common value project by observing some public background information and possibly the experience of his rival investment costs are private information and the background signal takes the form of a poisson process conditional on the quality of the project being low the resulting attrition game has a unique symmetric equilibrium which depends on initial public beliefs we determine the impact of changes in the cost and signal distributions on investment timing and how equilibrium is affected when a first mover advantage is introduced

demand for space heating in apartment blocks measuring effects of policy measures aiming at reducing energy consumption abstract panel data covering the period 1984 1995 on energy consumption and technical characteristics of apartment blocks from denmark are analysed in order to measure effects of policy measures aimed at reducing the consumption of energy for space heating results indicate that building regulations have been important in reducing energy consumption in new buildings furthermore conditional price responses are estimated to be relatively small or non existent indicating small short run effects of fuel taxes on energy consumption in apartment blocks finally a consultancy scheme implemented with the purpose of improving knowledge about the potential for energy savings is found to have had moderate effects

new hope for the expectations hypothesis of the term structure of interest rates survey data on interest rate expectations permit separate testing of the two alternative hypotheses in traditional term structure tests that the expectations hypothesis fails and that expected future interest rates are ex post inefficient forecasts we find that the source of the spread s poor predictions of future interest rates varies with maturity at short maturities the expectations hypothesis fails at long maturities however changes in the yield curve reflect changes in expected future rates one for one an implication of the expectations hypothesis this result confirms earlier findings that long rates underreact to short rates but now it cannot be attributed to term premia if the attractiveness of an economic hypothesis is measured by the number of papers which statistically reject it the expectations theory of the term structure is a knockout most tests beginning with macaulay 1938 find no evidence supporting the expectations hypothesis 1 many cannot even reject statistically the alternative hypothesis that the spread between long and short rates contains no information about future interest rate changes 2 to make matters worse in u s postwar data future long rates tend to rise when short rates are above long rates since the expectations hypothesis would predict that long rates tend to fall the theory often does worse than even the naive model that future interest

residential energy demand additional empirical evidence by minority household type abstract in a number of recent studies household level data for specific urban areas or national household level micro data have been used to estimate price and income elasticities of energy demand none of this literature however provides us with elasticity estimates by minority majority household type the main focus of this paper is to measure the responsiveness of the quantity of electricity and total energy demanded for black hispanis and majority households to price and income price and income elasticities are compared among these groups over the short and long term a variable elasticity demand model is estimated the elasticities are allowed to vary with respect to non price and income variables the price elasticities of demand vary with heating and cooling degree days and the income elasticities with the number of household members mean estimates were calculated over the respective samples findings indicate that demand for electricity is relatively price inelastic irrespective of household group however blacks are more sensitive to variations in the short run to price than hispanic and majority households in the long run blacks are also more sensitive to price changes but the magnitude of the response to price changes in the long run relative to the short run is larger for hispanics and majority households respectively than for blacks

revisiting the expectations hypothesis of the term structure of interest rates the expectations hypothesis of the term structure has been decisively rejected in a large empirical literature that spans several decades in this paper using a newly constructed dataset of synthetic zero coupon bond yields we show that evidence against the expectations hypothesis is substantially weaker in data generated after the widespread publicity of its failure these results are consistent with the idea that asset pricing anomalies tend to disappear once they are widely recognized

time variation in term premia international survey based evidence using a large previously unexplored data set of survey based interest rate forecasts that covers a broad range of countries this paper re examines the expectations hypothesis of the term structure of interest rates we find that survey based interest rate forecasts outperform not only a random walk forecast but also outperform forecasts from forward rates when using these superior survey based forecasts in a modified expectations hypothesis test the expectations hypothesis is rejected for fewer countries at lower significance levels and has greater explanatory power than when using a traditional forward rates based test we furthermore document strong time variation in the term premia which is an important reason why the traditional expectations hypothesis test is rejected so frequently this time variation seems to arise from the changing attitudes towards risk among market participants and as a compensation for the change in liquidity in the term structure finally we find that generalizing findings from earlier u s studies to other countries may lead to bias in the true economic relationships in these countries

the microeconometric approach to modelling energy demand some results for uk households the paper is concerned with the empirical modeling of domestic demand for energy at the level of the individual household a model of household energy expenditures and energy using durable ownership is described estimation takes place using a pooled sample of households drawn from the repeated cross sections of the annual family expenditure survey fes price and income elasticities are found to be highly dependent on individual household characteristics type of house tenure energy using durable ownership and outside temperature finally the results are placed in a policy relevant context copyright 1991 by oxford university press

analysis of postponement strategy for perishable items by eoq based models abstract this paper develops economic order quantity model eoq based models with perishable items to evaluate the impact of a form postponement strategy on the retailer in a supply chain we formulate models for a postponement system and an independent system to minimize the total average cost function per unit time for ordering and keeping n perishable end products an algorithm is given to derive the optimal solutions of the proposed models the impact of the deterioration rate on the inventory replenishment policies is studied with the help of theoretical analysis and numerical examples our theoretical analysis and computational results show that a postponement strategy for perishable items can give a lower total average cost under certain circumstances

the term structure of very short term rates new evidence for the expectations hypothesis abstract empirical researchers have frequently rejected the expectations hypothesis the expectations hypothesis however has seldom if ever been tested at the extreme short end of the term structure where maturities are measured in days or weeks using overnight weekly and monthly repo rates i find that term rates are almost unbiased estimates of the average overnight rate this evidence provides new support for the expectations hypothesis

project management under risk using the real options approach to evaluate flexibility in r d managerial flexibility has value in the context of uncertain r d projects as management can repeatedly gather information about uncertain project and market characteristics and based on this information change its course of action this value is now well accepted and referred to as real option value we introduce in addition to the familiar real option of abandonment the option of corrective action that management can take during the project the intuition from options pricing theory is that higher uncertainty in project payoffs increases the real option value of managerial decision flexibility however r d managers face uncertainty not only in payoffs but also from many other sources we identify five example types of r d uncertainty in market payoffs project budgets product performance market requirements and project schedules how do they influence the value from managerial flexibility we find that if uncertainty is resolved or costs revenues occurafter all decisions have been made more variability may smear out contingencies and thus reduce the value of flexibility in addition variability may reduce the probability of flexibility ever being exercised which also reduces its value this result runs counter to established option pricing theory intuition and contributes to a better risk management in r d projects our model builds intuition for r d managers as to when it is and when it is not worthwhile to delay commitments for example by postponing a design freeze thus maintaining flexibility in r d projects

on the expectations view of the term structure term premia and survey based expectations in this paper uk disaggregate survey data of expected future interest rates are used to test the expectations model of the term structure of interest rates at the short end of the maturity spectrum in the aggregate the expectations model is rejected and both time varying term premia and expected interest rate changes are demonstrated to be important in explaining the slope of the yield curve within the aggregate data however we demonstrate that there are some differences with respect to the views of the term structure held for example for some individuals the pure expectations model cannot be rejected

gamma discounters are short termist weitzman 1998 2001 proposed a simple gamma discounting method to characterize the term structure of discount rates today from the sole distribution of future spot interest rates this rule which justifies using a smaller discount rate for longer maturities is now used for long term policy evaluations in the uk france norway and potentially in the us but we show that there is no social preference within the discounted expected utility framework that generically supports this pricing model and its underlying criterion the expected net present value rule considering a standard lucas tree economy we characterize the term structure from a coherent joint distribution of future spot interest rates and future consumption levels when future growth rates are positively serially correlated efficient discount rates today are decreasing with maturity and the gamma discounting rule yields discount rates that are larger than the efficient ones

optimal and approximate policies in multiperiod multilocation inventory models with transshipments this paper examines the effects on the optimal ordering policy and its cost of allowing for interactions among retail outlets specifically transshipments are allowed as recourse actions occurring after demands are realized but before they must be satisfied the resultant savings in holding and shortage costs are balanced against the costs of transshipment a base stock ordering policy is optimal for this model if the final period base stock order up to point is nonnegative then it will be the base stock order up to point for all periods unfortunately it can be found analytically only for two special cases where either the cost parameters are equal at every outlet or there are only two outlets these two special cases are used to validate a heuristic solution technique employing monte carlo integration which is then compared to an easily calculated base policy in order to gauge the contribution of this model the additional savings from using this heuristic policy are significant particularly for problems with many retail outlets and low transshipment costs

time varying term premia and traditional hypotheses about the term structure empirical evidence of time varying term premia in bond returns is frequently interpreted as evidence against the expectations hypothesis this paper shows that the expectations hypothesis can actually imply time varying term premia if the time frame for which the expectations hypothesis holds differs from the return measurement period furthermore many of the properties of these term premia are consistent with those of observed term premia these results are important because they imply that the case against the expectations hypothesis is weaker than claimed in the empirical literature many recent studies have presented empirical evidence that term premia in bond returns are time varying for example fama and bliss 1987 document that term premia in treasury bond returns vary reliably through time and can be forecast using the information in forward rates similar evidence of variation through time in term premia is given by shiller 1979 startz 1982 shiller campbell and schoenholtz 1983 fama 1984 mankiw 1986 shiller 1986 campbell 1987 engel lilien and robins 1987 shiller and mcculloch 1987 froot 1989 simon 1989 and others these empirical results have been interpreted in the literature as strong evidence against the expectations hypothesis eh 1 the reason for this interpretation is the widely held view that the eh is consistent only with term premia that are constant through time 2 in this paper we show that the eh need not imply constant term premia specifically we present an example in which an important form of the eh implies nonzero term premia that vary randomly through their dependence on the volatility of the term structure we show that the variation in these term premia can be significant relative to the variation in expected returns for longer maturity bonds furthermore we show that these term premia are directly related to the forward spot rate differential the key insight of this example is that the empirical implications of the eh depend critically on the length of the period over which the eh is assumed to hold if this interval is shorter than the period over which bond returns are measured aggregation over time can induce rich patterns of variation in observable term premia

new techniques to extract market expectations from financial instruments this paper is a selective survey of new or recent methods to extract information about market expectations from asset prices for monetary policy purposes traditionally interest rates and forward exchange rates have been used to extract expected means of future interest rates exchange rates and inflation more recently these methods have been refined to rely on implied forward interest rates so as to extract expected future time paths very recently methods have been designed to extract not only the means but the whole risk neutral probability distribution from a set of option prices

learning and the yield curve two central implications of expectations hypothesis under rational expectations are inconsistent with yield curve data i future expected long yields fall instead of rising when yield spread rises ii long yields are excessively volatile relative to short yields i propose an optimization framework in which boundedly rational agents use adaptive learning to form expectations the belief structure rationalizes pattern of yields observed in the data so that the first puzzle does not arise with subjective expectations intertemporal income and substitution effects are amplified relative to rational expectations the second puzzle is partly accounted for by extra volatility due to parameter uncertainty

the term structure of interest rates and regime shifts some empirical results abstract a test of the expectations theory of the term structure in the framework of a regime switching var model for a change in the short rate and the short long spread with euro us and euro swiss franc rate data points to the importance of uncertainty about the procedures of monetary policy for the rejection of the expectations theory in the us case whereas in the swiss case a time varying term premium also seems to be relevant

patterns in residential gas and electricity consumption an econometric analysis in this article we investigate individual consumption data of natural gas and electricity using modified multiple regression techniques because a subset of households have zero gas consumption the purpose of the study is to ask two empirical questions 1 how can we quantify potential energy conservation from increasing gas availability 2 is it appropriate to estimate and compare electricity demands of gas users and nonusers by the same regression function we began our investigation based on the methodology of generalized tobit models our empirical results indicate that the probit equation for gas connection is exogenous to the amount of potential energy consumption to answer question 2 we obtain heteroscedasticity efficient estimates of the electricity demand equations by a nearest neighbor estimator to deal with heteroscedasticity of unknown form the prediction of energy conservation is that electricity demand could be reduced by 2 473 57 kilowatt hours a year per household if a gas connection

research note the role of production lead time and demand uncertainty in marketing durable goods firms often have to make their production decisions under conditions of demand uncertainty this is especially true for product categories such as automobiles and technology goods where the lead time needed for manufacturing forces firms to make production decisions well in advance of the selling season once the firm has produced the goods the available production volume affects the firm s subsequent marketing decisions in this paper we study the relationship between the firm s production and marketing decisions for a durable goods manufacturer we develop a dynamic model of a durable product market in which the demand functions are developed from a micromodeling of consumer utility functions and an equilibrium analysis of consumer strategies after taking into account the demand uncertainty as well as the potential for cannibalization of future sales the manufacturer makes its production and sales decisions we find that the firm s optimal inventory level is u shaped in the durability of the product and that the firm suffers a larger loss due to uncertainty when it is leases rather than sells its products furthermore unlike the case for nondurables for durable goods we find that the effect of uncertainty persists even after the uncertainty has been resolved