note on the open loop von stackelberg equilibrium in the cartel versus fringe model one of the ways to model the supply side of the world oil market is by means of the cartel versus fringe model and to employ the open loop von stackelberg equilibrium concept this note shows that the equilibrium as presented in the literature does not satisfy the optimality conditions for the open loop equilibrium the authors show furthermore that in contrast with the prevailing view the equilibrium can display discontinuous price trajectories copyright 1992 by royal economic society

aspects of labor market adjustments in japan this article discusses some aspects of labor market adjustments in japan that may be relevant to the low unemployment rate there japanese statistics treat kyugyosha persons not at work as being employed but some of these workers would be counted as unemployed in the united states the kyugyosha group appears to increase in size during downturns and decreases during upturns suggesting that temporarily laid off persons are an important part of this group japanese employers evidently rely less on employment adjustments and more on adjustments in hours of work and inventory while employers in the united states rely more on employment adjustments to deal with cyclical changes in product demand japanese manufacturing employment became less sensitive and hours of work more sensitive to demand shocks after the introduction of the employment insurance law in 1975

a note on the extinction of renewable resources abstract this paper presents two sets of conditions under which a sole owner of a renewable resource stock who maximizes a nonlinear benefit function would find it more profitable to harvest the stock to extinction than follow a continuous harvesting strategy when the minimum viable resource stock is positive extinction is optimal as long as the initial resource stock is sufficiently small regardless of the discount rate when the minimum viable resource stock is zero and the discount rate exceeds the growth potential of the species extinction is optimal for sufficiently small initial stocks

green goals and full employment are they compatible abstract two empirical correlations are studied one between economic growth and environmental impacts and the other between the lack of economic growth and unemployment it is demonstrated that at a global level economic growth is strongly correlated with environmental impacts and barriers to fast decoupling are large and numerous on the other hand low or negative growth is highly correlated with increasing unemployment in most market economies and strategies to change this lead to difficult questions and tradeoffs the coexistence of these two correlations which have rarely been studied together in the literature on green growth degrowth and a growth justifies ambivalence about growth to make key environmental goals compatible with full employment the decoupling of environmental impacts from economic output has to be accompanied by a reduction of dependence on growth in particular strategies to tackle unemployment without the need for growth several of which are studied in this article need much more attention in research and policy

determinacy and identification with taylor rules the new keynesian taylor rule theory of inflation determination relies on explosive dynamics by raising interest rates in response to inflation the fed induces ever larger inflation unless inflation jumps to one particular value on each date however economics does not rule out explosive inflation so inflation remains indeterminate attempts to fix this problem assume that the government will choose to blow up the economy if alternative equilibria emerge by following policies we usually consider impossible the taylor rule is not identified without unrealistic assumptions thus taylor rule regressions do not show that the fed moved from passive to active policy in 1980

a probability based stress test of federal reserve assets and income to support the economy the federal reserve amassed a large portfolio of long term bonds we assess the fed s associated interest rate risk including potential losses to its treasury securities holdings and declines in remittances to the treasury unlike past examinations of this interest rate risk we attach probabilities to alternative interest rate scenarios these probabilities are obtained from a dynamic term structure model that respects the zero lower bound on yields the resulting probability based stress test finds that the fed s losses are unlikely to be large and remittances are unlikely to exhibit more than a brief cessation

the macroeconomic implications of profit sharing some empirical evidence the macroeconomic implications of profit sharing some empiricals paper attempts an empirical assessment of weitzman s proposition that profit sharing provides an antidote to stagflation taking japan as an example of a profit sharing economy the author shows that it does not have either lower cyclical variability of output or lower inflation than other industrial countries the authors then reject the propositions that in a profit sharing economy 1 aggregate demand shocks have a smaller effect on output deviations and 2 import price shocks and wage push have a smaller effect on inflation therefore one should be wary of the claim that the japanese case supports weitzman s model copyright 1987 by royal economic society

financial innovation and the transactions demand for cash we document cash management patterns for households that are at odds with the predictions of deterministic inventory models that abstract from precautionary motives we extend the baumol tobin cash inventory model to a dynamic environment that allows for the possibility of withdrawing cash at random times at a low cost this modification introduces a precautionary motive for holding cash and naturally captures developments in withdrawal technology such as the increasing diffusion of bank branches and atm terminals we characterize the solution of the model which qualitatively reproduces several empirical patterns we estimate the structural parameters using micro data and show that quantitatively the model captures important economic patterns the estimates are used to quantify the expenditure and interest rate elasticity of money demand the impact of financial innovation on money demand the welfare cost of inflation and the benefit of atm ownership

when does a central bank s balance sheet require fiscal support abstract using a simple general equilibrium model we argue that it would be appropriate for a central bank with a large balance sheet composed of long duration nominal assets to have access to and be willing to ask for support for its balance sheet by the fiscal authority otherwise its ability to control inflation may be at risk this need for balance sheet support a within government transaction is distinct from the need for fiscal backing of inflation policy that arises even in models where the central bank s balance sheet is merged with that of the rest of the government

conditional euro area sovereign default risk we propose an empirical framework to assess the likelihood of joint and conditional sovereign default from observed cds prices our model is based on a dynamic skewed t distribution that captures all salient features of the data including skewed and heavy tailed changes in the price of cds protection against sovereign default as well as dynamic volatilities and correlations that ensure that uncertainty and risk dependence can increase in times of stress we apply the framework to euro area sovereign cds spreads during the euro area debt crisis our results reveal significant time variation in distress dependence and spill over effects for sovereign default risk we investigate market perceptions of joint and conditional sovereign risk around announcements of eurosystem asset purchases programs and document a strong impact on joint risk

the forgotten history of domestic debt there is a rich scholarly literature on sovereign default on external debt comparatively little is known about sovereign default on domestic debt even today cross country data on domestic public debt remains curiously exotic particularly prior to the 1980s we have filled this gap in the literature by compiling a database on central government public debt external and domestic the data span 1914 to 2010 for most countries reaching back into the nineteenth century and earlier for many our findings here on debt sustainability sovereign defaults the temptation to inflate and the hierarchy of creditors only scratch the surface of what the domestic public debt data can reveal first domestic debt is big for the 64 countries for which we have long time series domestic debt accounts for almost two thirds of total public debt for most of the sample this debt carries a market determined interest rate except for the financial repression era between wwii and financial liberalization second the data go a long way toward explaining the puzzle of why countries so often default on their external debts at seemingly low debt thresholds third domestic debt has largely been ignored in the vast empirical work on inflation in fact domestic debt a significant portion of which is long term and nonindexed is often much larger than the monetary base in the run up to high inflation episodes last the widely held view that domestic residents are strictly junior to external creditors does not find broad support

self fulfilling debt crises what can monetary policy do this paper examines the potential for monetary policy to avoid self fulfilling sovereign debt crises we combine a version of the slow moving debt crisis model proposed by lorenzoni and werning 2014 with a standard new keynesian model monetary policy could preclude a debt crisis through raising inflation and output and lowering the real interest rate these reduce the real value of outstanding debt and the cost of new borrowing and increase tax revenues and seigniorage we determine the optimal path of inflation required to avoid a self fulfilling debt crisis stronger price rigidity implies more sustained inflation

trends in unemployment wages and productivity the case of japan along with the high savings ratio the functioning of the labour market is one of the most important factors behind the macroeconomic performance of the postwar japan which foreign observers have christened the miracle of the rising sun in the first place the nature of the japanese labour market is important for the long run trend of japanese economic growth because labour and its quality are crucial factors for economic development the high quality of a well disciplined workforce as well as the migration of labour from rural to urban areas has contributed much to the rapid growth of the japanese economy second the nature of the labour market has influenced the pattern of japanese business cycles by buffering demand fluctuations the slow response of firms demand for labour combined with the fast response of the labour force participation ratio has prevented a sharp increase in the unemployment rate during recessions relatively flexible nominal and real wages have also enabled the japanese economy to adjust quite smoothly to supply shocks notably after the second oil crisis in this paper we shall review trends in unemployment wages and productivity in the postwar japanese economy and relate them to its macroeconomic performance we shall also summarize the current literature concerning features of the labour market evaluate quantitative estimates of trends in labour statistics and explore future prospects

ecb policy and eurozone fragility was de grauwe right paul de grauwe s eurozone fragility hypothesis states that sovereign debt markets in a monetary union without a lender of last resort are vulnerable to self fulfilling dynamics fuelled by pessimistic investor sentiment that can trigger default we test this contention by applying an eclectic methodology to a two year window around mario draghi s whatever it takes pledge that can be understood as the implicit announcement of the outright monetary transactions omt program a principal components analysis reveals that the perceived commonality in default risk among peripheral and core eurozone sovereigns increased after the announcement an event study reveals significant pre announcement news transmission from spain to italy france belgium and austria that clearly dissipates post announcement country specific regressions of cds spreads on systematic risk factors reveal frequent days of large adverse shocks affecting simultaneously those five eurozone countries but only during the pre announcement period altogether these findings support the fragility hypothesis and endorse the omt program

sovereign default the role of expectations we study a variation of the standard model of sovereign default as in aguiar and gopinath 2006 or arellano 2008 and show that this variation is consistent with multiple interest rate equilibria some of those equilibria correspond to the ones identi ed by calvo 1988 where default is likely because rates are high and rates are high because default is likely the model is used to simulate equilibrium movements in sovereign bond spreads that resemble sovereign debt crises it is also used to discuss lending policies similar to the ones announced by the european central bank in 2012

sovereign default exit and contagion in a monetary union abstract the european sovereign debt crisis is characterized by the simultaneous surge in borrowing costs in the gips countries after 2008 we present a theory which can account for the behavior of sovereign bond spreads in southern europe between 1998 and 2012 our key theoretical argument is related to the bail out guarantee provided by a monetary union which endogenously varies with the number of member countries in sovereign debt trouble we incorporate this theoretical foundation in an otherwise standard small open economy dsge model and explain i the convergence of interest rates on sovereign bonds following the european monetary integration in late 1990s and ii following the heightened default risk of greece the sudden surge in interest rates in countries with relatively sound economic and financial fundamentals we calibrate the model to match the behavior of the portuguese economy over the period of 1998 to 2012

inflationary finance under discrepion and rules inflationary finance involves first the tax on cash balances from expected inflation and second a capital levy from unexpected inflation from the standpoint of minimizing distortions these capital levies are attractive ex post to the policymaker in a full equilibrium two conditions hold 1 the monetary authority optimizes subject to people s expectations mechanisms and 2 people form expectations rationally given their knowledge of the policymaker s objectives the outcomes under discretionary policy are contrasted with those generated under rules in a purely discretionary regime the monetary authority can make no meaningful commitments about the future behavior of money and prices under an enforced rule it becomes possible to make some guarantees hence the links between monetary actions and inflationary expectations can be internalized there is a distinction between fully contingent rules and rules of simple form a simple rule allows the internalization of some connections between policy act ion and inflationary expectations but discretion permits some desirable flexibility of monetary growth this abstract was borrowed from another version of this item

an econometric analysis of consumer demand for ivory and rhino horn in this paper an econometric model is used to describe consumer demand for ivory and rhino horn in japan using the hendry research methodology the demand for ivory in japan a final consumer was found to be primarily income led with an elasticity of 0 75 international trade restrictions have had a profound effect on the ivory market since 1985 the data for rhino horn demand are less good consisting of a time series for japan before 1980 when international trade in rhino horn became illegal however analysis suggests that demand for rhino horn was also primarily income led with unit elasticity

extensive margins and the demand for money at low interest rates we argue that the relevant monetary decision for the majority of u s households is not the fraction of assets to be held in interest bearing form but whether to hold any such assets at all we call this the decision to adopt the financial technology we show that the key variable governing the adoption decision is the product of the interest rate times the total amount of assets this implies that the interest elasticity of household money demand at low interest rates can be estimated from the variation in asset holdings in a cross section of households rather than historical interest rate variations we do so with the 1989 survey of consumer finances we find that a the elasticity of money demand is very small when the interest rate is small b the probability that a household holds any amount of interest bearing assets is positively related to the level of financial assets and c the cost of adopting financial technologies is negatively related to participation in a pension program at intere

the mystique surrounding the central bank s balance sheet applied to the european crisis abstract a central bank s resource constraint bounds the dividends it can distribute by the present value of seignorage which is a modest share of gdp this is in spite of the mystique behind a central bank s balance sheet moreover the statutes of the federal reserve or the ecb make it difficult for it to redistribute resources across regions in a simple model of sovereign default where multiple equilibria arise if debt repudiation lowers fiscal surpluses the central bank may help to select one equilibrium the central bank s main lever over fundamentals is to raise inflation but otherwise the balance sheet gives it little leeway

fiscal requirements for price stability maintaining price stability requires not only commitment to an appropriate monetary policy rule but an appropriate scal policy rule as well ricardian equivalence does not imply that scal policy is irrelevant except in the case of a certain class of policies ricardian policies the role of scal developments in inflation determination under a non ricardian regime is illustrated through an analysis of the bond price support regime of the 1940s a monetary scal regime with attractive properties would combine a taylor rule for monetary policy with nominal decit targeting as a scal policy commitment

the mystery of the printing press monetary policy and self fulfilling debt crises we study the mechanism by which unconventional balance sheet monetary policy can rule out self fulfilling sovereign default in a model with optimizing but discretionary fiscal and monetary policymakers by purchasing sovereign debt the central bank e ectively swaps risky government paper for monetary liabilities only exposed to inflation risk thus yielding a lower interest rate we characterize a critical threshold for central bank purchases beyond which absent fundamental fiscal stress the government strictly prefers primary surplus adjustment to default since default may still occur for fundamental reasons however the central bank faces the risk of losses on sovereign debt holdings which may generate ine cient inflation this risk does not undermine the credibility of a backstop nor the ability of a central bank to pursue its inflation objectives when the latter enjoys fiscal backing or fiscal authorities are su ciently averse to inflation

labour supply and unemployment in japan abstract the paper investigated the relationship between labour supply and unemployment employment in japan the paper focused on the discouraged worker effect which specifies that a large number of workers in particular female labour forces retire from the labour market in a recession this lowers the rate of the published unemployment the paper estimated the labour supply function and presented the estimated figures of the modified or adjusted rate of unemployment finally the okun s coefficient was re estimated by using this modified rate of unemployment

an open access fishery with rational expectations explain the evolution of the fish stock and the boat fleet as well as determine their equilibrium levels 2 while the changes in the fish stock are described by a biological rule entry and exit from the fishing industry are determined by how expectations are formed we examine a general model in which entry and exit are proportional to the present value of expected profits and compare two special cases of adaptive myopic expectations and rational expectations although both expectations mechanisms lead to the same equilibrium values they lead to different adjustment paths where expectations solely depend on current values myopic expectations it is well known that boats enter the fishery only when the fish stock is greater than its steady state stock 3 with rational expectations however boats may enter when the fish stock is much lower than its steady state value provided the boat fleet is sufficiently small this difference in adjustment is observable and in principle leads to an obvious test on how agents form expectations section 2 develops a general dynamic model for studying fisheries in section 3 we show that the model standardly used in the literature is equivalent to a myopic adaptive expectations model a rational expectations model is analyzed in section 4 the standard and rational expectations models are compared in section 5 section 6 illustrates this comparison using a simulation based on a schaefer model of the pacific halibut fishery section 7 presents the conclusions

entry deterrence in the commons the authors analyze a common property resource model with a single incumbent firm that faces future potential entry of a rival the cost of harvest from the resource is a function of the stock size by drawing down current stock sufficiently which lowers future stock the incumbent can make entry unprofitable the authors analyze the conditions under which the incumbent firm would deter entry and when entry would be allowed further they analyze the effect that potential entry has on the harvest rate both before and after the date of potential entry and whether or not potential entry is welfare improving copyright 1994 by economics department of the university of pennsylvania and the osaka university institute of social and economic research association

the perils of taylor rules abstract since john taylor s 1993 carnegie rochester conf ser publ policy39 195 214 seminal paper a large literature has argued that active interest rate feedback rules that is rules that respond to increases in inflation with a more than one for one increase in the nominal interest rate are stabilizing in this paper we argue that once the zero bound on nominal interest rates is taken into account active interest rate feedback rules can easily lead to unexpected consequences specifically we show that even if the steady state at which monetary policy is active is locally the unique equilibrium typically there exist an infinite number of equilibrium trajectories originating arbitrarily close to that steady state that converge to a liquidity trap that is a steady state in which the nominal interest rate is near zero and inflation is possibly negative journal of economic literature classification numbers e52 e31 e63

the economic analysis of biodiversity an assessment biodiversity is complex difficult to define difficult to measure and often involves international and intergenerational considerations biodiversity loss presents significant economic challenges a great deal of economics is required to understand the issues but a simple and important observation is that most species and ecosystems are not traded in markets so prices are often absent and biodiversity is under provided despite the formidable obstacles to high quality economic analysis economics has plenty to offer to biodiversity policy first economic valuation techniques can be employed to roughly estimate the value of the benefits provided by biodiversity and ecosystems second assessing the optimum amount of biodiversity involves recognizing that the conversion of natural capital into manufactured and human capital has so far generated vast amounts of wealth while there may have been too much biodiversity in the past economic analysis suggests that this is a difficult position to hold now third econometric techniques and carefully designed policy studies can assist in determining what policies are most suited to different contexts to cost effectively reduce biodiversity loss fourth political economy is helpful because international coordination is often required ecosystems do not respect national borders and many biodiverse ecosystems are in poorer countries this paper synthesizes the issues and proposes a research agenda which includes improving the measurement and accounting of natural capital improving valuation techniques and theory to provide greater guidance as to the optimum biodiversity and developing our understanding of the merits of different alternatives for government intervention to reduce biodiversity loss

the relationship between production and unemployment in japan okun s law in comparative perspective abstract this paper studies the question whether the celebrated okun s law a relation between excess capacity and unemployment applies to the postwar japanese economy though the fitness of estimation is weak the coefficient that measures the responsiveness of the output gap to the unemployment rate is very large reaching 28 this large coefficient can be attributed to the elastic response in the female participation ratio to flexible working hours to the slow adjustment in employment and to changes in industrial structures the results are compared with those in the united states

along the way back from the brink abstract an optimal control model of wildlife management is developed to analyze the transitory dynamics set forth by the reintroduction of animals that provide benefits but can also come into conflict with humans the shadow price of these resources can be positive or negative potentially creating a nonconvexity the conditions under which reintroduction is not desirable are determined and those characterizing the initiation of costly population control are investigated an application to deer management illustrates the relevance of the nonconvexity and the magnitude of losses stemming from delays in implementing optimal management the impact of distributional concerns on efficiency is discussed

a dynamic multivariate heavy tailed model for time varying volatilities and correlations we propose a new class of observation driven time varying parameter models for dynamic volatilities and correlations to handle time series from heavy tailed distributions the model adopts generalized autoregressive score dynamics to obtain a time varying covariance matrix of the multivariate student t distribution the key novelty of our proposed model concerns the weighting of lagged squared innovations for the estimation of future correlations and volatilities when we account for heavy tails of distributions we obtain estimates that are more robust to large innovations we provide an empirical illustration for a panel of daily equity returns

the liquidity effects of official bond market intervention to ensure depth and liquidity the european central bank intervened in sovereign debt markets through its securities markets programme smp providing a unique opportunity to estimate the effects of large scale asset purchases on sovereign bond liquidity premia from reduced form estimates we find robust economically significant impact and lasting reductions in sovereign bonds liquidity premia in response to official purchases we develop a search based asset pricing model to understand our empirical results the theory implies that bond liquidity premia fall in response to both official purchases and rising sovereign default probabilities as seen in the data

inflation default and sovereign debt the role of denomination and ownership abstract emerging market governments hold mixed debt portfolios they borrow at home and abroad in both nominal and real terms this paper incorporates such a mixed debt structure into a theory of sovereign debt default and inflation the government optimally uses both default and inflation to balance its budget the portfolio structure affects the relative benefits of inflation default and incentives to accumulate debt a calibrated version of the model can account for key features of the mexican economy we use the model to study if portfolio shifts away from purely real and external debt contributed to emerging market disinflation in the mid 1990s we find that the answer depends on the distinction between ownership and denomination increasingly nominal debt is inflationary if held abroad but lowers inflation if held at home

coordination failures and the lender of last resort was bagehot right after all the classical doctrine of the lender of last resort lolr elaborated by bagehot 1873 asserts that the central bank should lend to illiquid but solvent banks under certain conditions several authors have argued that this view is now obsolete in modern interbank markets a solvent bank cannot be illiquid this paper provides a possible theoretical foundation for rescuing bagehot s view our theory does not rely on the multiplicity of equilibria that arises in classical models of bank runs we built a model of banks liquidity crises that possesses a unique bayesian equilibrium in this equilibrium there is a positive probability that a solvent bank cannot find liquidity assistance in the market we derive policy implications about banking regulation solvency and liquidity ratios and interventions of the lender of last resort furthermore we find that public bailout and private bail in involvement are complementary in implementing the incentive efficient solution and that bagehot s lender of last resort facility must work together with institutions providing prompt corrective action and orderly failure resolution finally we derive similar implications for an international lender of last resort ilolr jel g21 g28

armod a small numerical macroeconomic world model with non clearing markets the purpose of this paper is to demonstrate the usefulness of a non walrasian numerical modeling approach to current macroeconomic problems of excessive unemployment and trade imbalances in the oecd area the model which consists of five world regions generates a sequence of short run equilibria the model captures international transmission mechanisms of business cycle impulses and of the effects of monetary and fiscal policy assuming flexible interest and exchange rates full capital mobility and adaptive expectations a scenario with successful international policy coordin ation illustrates how the model works copyright 1987 by the editors of the scandinavian journal of economics

culture conservation and crime regulating ivory markets for antiques and crafts abstract elephant population numbers are seriously declining due to poaching activity to provide illegal ivory for crafted items sculpture and jewellery despite seemingly robust legislation controlling legal ivory sales including export permit requirements for uk sales abroad and the that fact that synthetic ivory can now be created to the same diagnostic standards as genuine ivory selling at a fraction of the cost the demand for the real thing continues to rise in craft and antique markets with very few prosecutions in the uk moreover there is evidence to suggest that ghost ivory post 1947 worked ivory being sold as pre 1947 worked ivory is being sold by traders to the unsuspecting and uneducated buyer two key illegal sub markets are identified and a socio legal and economic analysis of the regulatory options available is presented

private storage of common property abstract many resources extracted under the rule of capture are not utilized immediately but are stored instead for later use oil is stockpiled fish are frozen groundwater is bottled rivers are dammed land deforested as the way to establish title remains uncultivated we examine the positive and normative effects of such storage privatization of common property through storage may eliminate inefficiencies altogether but the accelerated extraction it induces may also exacerbate them even if rapid extraction does not reduce ultimate recovery once storage commences extraction accelerates until the open access reserves are drained in limiting cases these speculative acquisitions are instantaneous the naturally occurring analogue of policy induced speculative attacks studied in the international finance literature when some reserves are privately owned while others are open access the order of extraction no longer follows the progression from lowest to highest per unit cost first noted by o c herfindahl in extractive resources and taxation m gaffney ed univ of wisconsin press madism 1997 instead the common property may be extracted in its entirety before any private reserves are extracted even if it has the higher per unit extraction cost

banking on extinction endangered species and speculation many wildlife commodities such as tiger bones bear bladders ivory and rhino horn have been stockpiled in large quantities by speculators who expect that future price increases justify forgoing the interest income associated with current sales when supply from private stores competes with supply from wild populations in nature and when speculators are able to collude it may be optimal to coordinate on an extinction strategy we analyse the behaviour of a speculator who has access to a large initial store and finds that it is optimal to deter poachers entry either by depressing prices carefully timing own supply or by depressing wild stocks which strategy maximizes profits critically depends on the initial wildlife stock and initial speculative stores we apply the model to the case of black rhino conservation and conclude it is likely that banking on extinction is profitable if current speculators are able to collude contrary to conventional wisdom we also find that extinction is favoured by such factors as low discount rates or high growth rates

a high frequency assessment of the ecb securities markets programme policy impact studies often suffer from endogeneity problems consider the case of the european central bank ecb securities markets programme if eurosystem interventions were triggered by sudden and strong price deteriorations looking at daily price changes may bias downward the correlation between yields and the amounts of bonds purchased simple regressions of daily changes in yields on quantities often give insignificant or even positive coefficients and therefore suggest that securities markets programme smp interventions have been ineffective or worse counterproductive we use high frequency data on purchases of the ecb securities markets programme and sovereign bond quotes to address the simultaneity and endogeneity issues we propose a vector autoregressive var framework estimated at several frequencies to better measure the smp impact and its persistence our results show that smp interventions have been effective in reducing yields of government bonds for the countries under the program

on the fit of new keynesian models this article provides new tools for the evaluation of dynamic stochastic general equilibrium dsge models and applies them to a large scale new keynesian model we approximate the dsge model by a vector autoregression and then systematically relax the implied cross equation restrictions and document how the model fit changes we also compare the dsge model s impulse responses to structural shocks with those obtained after relaxing its restrictions we find that the degree of misspecification in this large scale dsge model is no longer so large as to prevent its use in day to day policy analysis yet is not small enough to be ignored

modeling financial sector joint tail risk in the euro area we develop a novel high dimensional non gaussian modeling framework to infer measures of conditional and joint default risk for numerous financial sector firms the model is based on a dynamic generalized hyperbolic skewed t block equicorrelation copula with time varying volatility and dependence parameters that naturally accommodates asymmetries heavy tails as well as non linear and time varying default dependence we apply a conditional law of large numbers in this setting to define joint and conditional risk measures that can be evaluated quickly and reliably we apply the modeling framework to assess the joint risk from multiple defaults in the euro area during the 2008 2012 financial and sovereign debt crisis we document unprecedented tail risks between 2011 2012 as well as their steep decline following subsequent policy actions jel classification g21 c32

country solidarity in sovereign crises when will solidarity which emerges spontaneously from the fear of spillovers be reinforced through contracting the optimal pact between countries that differ substantially in their probability of distress is a simple debt contract with market financing a borrowing cap but no joint liability while joint liability augments total surplus the borrowing country cannot compensate the deep pocket guarantor by contrast the optimal pact between two countries symmetrically exposed to shocks with an arbitrary correlation is a simple debt contract with joint liability provided that shocks are sufficiently independent spillovers sufficiently large liquidity needs moderate and available sanctions sufficiently tough

catalytic finance when does it work in a model of debt crisis caused partly by creditor coordination failure we show that bailouts that reduce ex post inefficiency will sometimes enhance the incentives for governments to take costly adjustment effort this model helps us understand a debate about the role of the imf in catalyzing lending to developing countries

profit sharing and employee share ownership profit sharing and employee share ownership saul estrin paul grout and sushil wadhwani this paper evaluates the likely effects of linking a part of a worker s pay to the employer s profits it has been suggested by weitzman that this would raise employment by lowering the cost of taking on an extra worker however this can only happen if existing workers are willing to let their share of value added fall and experience of those firms in the uk who already operate profit sharing schemes suggests that the weitzman mechanism is not operative there is however some evidence that profit related pay does boost productivity but there are other ways of raising productivity such as performance related pay which may be more effective productivity enhancing effects are likely to be greatest when employees are involved in decision making as well but this is likely to undermine the weitzman case still further even if the argument that profit sharing raises employment is not compelling it is sometimes suggested that it can do little harm however there is evidence that it may well be inflationary in which case the government would be advised to proceed cautiously we argue that there is very little case for the introduction of a permanent subsidy to encourage increased profit sharing although there may be a case for a temporary one to overcome managerial inertia however there is a danger that a subsidy will promote cosmetic schemes designed to be eligible for the subsidy but which do not reflect any real change in behaviour

risk endogeneity at the lender investor of last resort abstract to what extent can a central bank influence its own balance sheet credit risks during a financial crisis through unconventional monetary policy operations to study this question we develop a risk measurement framework to infer the time variation in portfolio credit risks at a high weekly frequency focusing on the eurosystem s experience during the euro area sovereign debt crisis between 2010 and 2012 we find that the announcement and implementation of unconventional monetary policy operations generated beneficial risk spill overs across policy portfolios this caused overall risk to be nonlinear in exposures in some instances the eurosystem reduced its overall balance sheet credit risk by doing more in line with bagehot s well known assertion that occasionally only the brave plan is the safe plan

who borrows from the lender of last resort understanding why banks borrow from the lender of last resort lolr during a nancial crisis is crucial to understanding the macroeconomic impact of such largescale interventions we document a strong divergence among banks take up of lolr assistance during the nancial crisis in the euro area as banks which borrowed heavily also used increasingly risky collateral we propose four explanations for this divergence