economics and the international trade commission negotiated during the 1980s and the u s semiconductor agreement with japan because the u s antidumping and antisubsidy laws are now one of the most important means used to restrict imports the administration of these laws has come under considerable scrutiny many observers are concerned that these laws are being administered in a way which favors u s industries in this paper i attempt to address some of these concerns by determining the extent to which the administration of the u s unfair trade laws is based on the economic criteria specified in the unfair trade legislation in particular this study examines the importance of economic criteria in the antidumping and antisubsidy decisions of the international trade commission itc the itc is one of the most important agencies responsible for administering the u s unfair trade laws and its role extends beyond these laws into other areas including the escape clause the administrative role of the itc in unfair trade cases is to determine whether unfairly traded imports are a cause of material injury to a domestic industry many other authors have examined the basis for itc decisions the results of baldwin 3 and goldstein and lenway 8 provide support for the hypothesis that the itc uses at least some of the legislated economic criteria appropriately both studies examine the escape clause decisions of the itc and find that industries with declining profitability are more likely to receive favorable itc decisions goldstein and lenway 8 also find that the itc is immune to congressional pressures for protection both studies however focus solely on escape clause decisions which represent only a small fraction of itc decisions and do not involve allegations of unfair trade escape clause actions are also different from other itc decisions in that the president must ultimately decide whether relief is warranted

when do long run identifying restrictions give reliable results many recent articles have identified behavioral disturbances in vector autoregressions by imposing restrictions on the long run effects of shocks this article demonstrates that this approach will be unreliable unless the underlying economy satisfies three types of strong restrictions although many aspects of these issues have been raised before this article draws out and illustrates the implications for inferences under the long run scheme furthermore it provides strategies for dealing with the problems

exchange rate pass through exchange rate volatility and exchange rate disconnect abstract this paper explores the hypothesis that high volatility of real and nominal exchange rates may be due to the fact that local currency pricing eliminates the pass through from changes in exchange rates to consumer prices exchange rates may be highly volatile because in a sense they have little effect on macroeconomic variables the paper shows the ingredients necessary to construct such an explanation for exchange rate volatility in addition to the presence of local currency pricing we need a incomplete international financial markets b a structure of international pricing and product distribution such that wealth effects of exchange rate changes are minimized and c stochastic deviations from uncovered interest rate parity together it is shown that these elements can produce exchange rate volatility that is much higher than shocks to economic fundamentals and disconnected from the rest of the economy in the sense that the volatility of all other macroeconomic aggregates are of the same order as that of fundamentals

monthly pass through ratios abstract this paper estimates monthly pass through ratios from import prices to consumer prices in real time conventional time series methods impose restrictions to generate exogenous shocks on exchange rates or import prices when estimating pass through coefficients instead our estimation strategy follows an event study approach based on monthly releases in import prices projections from a dynamic common factor model with daily panels before and after monthly releases of import prices define the innovation for import prices we apply our identification procedure to swiss prices and find strong evidence that the median of the monthly pass through ratio is around 0 3 tests show that standard assumptions of non real time data and limited information breath are critical for the pass through estimates

fear of floating and the external effects of currency unions the introduction of the euro has considerably affected the de facto monetary policy autonomy defined as independence from monetary policy in the key currency areas in countries outside the european currency union ecu using a standard open economy framework we argue that de facto monetary policy autonomy has significantly declined for countries that dominantly trade with the ecu and slightly increased for countries that dominantly trade with the dollar zone the predictions of our model find support in the data we estimate the influence of the bundesbank s ecb s and the fed s monetary policies on various country groups the de facto monetary policy autonomy of both non euro eu members and efta countries declined with the introduction of the euro this effect was slightly stronger for the eu member countries than for efta countries as our theory predicts at the same time the de facto monetary policy autonomy of australia and new zealand vis a vis the us dollar has moderately increased

china and the trans pacific partnership a numerical simulation assessment of the effects involved the trans pacific partnership tpp is a new negotiation on cross border liberalisation of goods and service flows going beyond wto disciplines and focused on issues such as regulation and border controls this paper uses numerical simulation methods to assess the potential effects of a tpp agreement on china and also china s inclusion or exclusion on other countries we use a numerical 11 country global general equilibrium model with trade costs and inside money trade costs are calculated using a method based on gravity equations tpp barriers potentially removable are trade costs less tariffs simulation results reveal that china will be slightly hurt by tpp initiatives in welfare when china is out but the total production and export will be increased other non tpp countries will be mostly hurt in welfare but member countries will mostly gain if china takes part in tpp she will significantly gain and increase other tpp countries gain as well the comparison of tpp effects and global free trade effects show that the positive effects of global free trade are stronger than tpp effects japan s joining tpp would be beneficial to both herself and most of other tpp countries but which negative effects on china s welfare when out of tpp will increase further

exchange rates and prices the adjustment of relative prices to exchange rate movements is explained in an industrial organization approach given labor costs in the respective currencies exchange rate movements change costs for firms selling in the home market and thus disturb the industry equilibrium the extent of absolute and relative price adjustment is shown to depend on market integration product substitutability the relative number of domestic and foreign firms and the market structure the impact of exchange rates on prices is illustrated in a variety of approaches including the cournot a dixit and j stiglitz 1977 and s salop 1979 models some empirical evidence is offered in support of the theory copyright 1987 by american economic association

low inflation pass through and the pricing power of firms abstract recently there has been a significant decline in the degree to which firms pass through changes in costs to prices a decline that is frequently characterized as a reduction in the pricing power of firms the decline appears to be associated with the decline in inflation in many countries the decline has important implications for monetary policy because it affects both forecasts of inflation and the effects of changes in monetary policy on inflation some have argued that the decline in pricing power helped to keep inflation low in the face of apparently strong demand pressures in the united states in the late 1990s this paper puts forth the view that the decline in pass through or pricing power is due to the low inflation environment that has recently been achieved in many countries first a microeconomic model of price setting is used to show that lower pass through is caused by lower perceived persistence of cost changes evidence is then presented showing that inflation is positively correlated with persistence of inflation suggesting that the low inflation itself has caused the low pass through an economy wide model consistent with the micromodel is then presented to illustrate how such changes in pricing power affect output and inflation dynamics in favorable ways but can disappear quickly if monetary policy and expectations change

new directions for stochastic open economy models the paper develops a simple stochastic new open economy macroeconomic model based on sticky nominal wages explicit solution of the wage setting problem under uncertainty allows one to analyze the effects of the monetary regime on welfare expected output and the expected terms of trade despite the potential interplay between imperfections due to sticky wages and monopoly the optimal monetary policy rule has a closed form solution to motivate our model we show that observed correlations between terms of trade and exchange rates are more consistent with our traditional assumptions about nominal rigidities than with a popular alternative based on local currency pricing 2000 elsevier science b v all rights reserved

the dynamic effects of aggregate demand and supply disturbances we interpret fluctuations in gnp and unemployment as due to two types of disturbances disturbances that have a permanent effect on output and disturbances that do not we interpret the first as supply disturbances the second as demand disturbances demand disturbances have a hump shaped mirror image effect on output and unemployment the effect of supply disturbances on output increases steadily over time peaking after two years and reaching a plateau after five years

bureaucratic discretion or congressional control regulatory policymaking by the federal trade commission this paper extends stigler and peltzman s approach to regulation by incorporating a legislature the model yields comparative statics results and hence testable implications the paper then tests between two opposing approaches about regulatory agency behavior the first assumes agencies operate independently of the legislature and hence exercise discretion the second assumes that congress controls agency decisions the recent behavior of the federal trade commission provides the empirical setting substantial evidence is found for the specific predictions of the model including the hypothesis of systematic congressional influence over ftc decisions

refuting two claims about virtual water trade abstract using the heckscher ohlin trade model i refute two prominent but incorrect claims on virtual water trade these claims are that virtual water trade i levels uneven water distribution and ii reduces the potential for water conflict both claims are based on an incorrect understanding of comparative advantage in the production of water intensive goods the results show that both claims only hold under certain conditions but do not necessarily follow from the heckscher ohlin trade model

sources of fluctuations in real and nominal exchange rates this paper attempts to distinguish empirically real versus nominal sources of fluctuations in real and nominal exchange rates the distinction is obtained by imposing the following restriction on the bivariate vector autoregression of real and nominal exchange rates over the current flexible rate period nominal shocks are required to have no permanent effect on the level of the real exchange rate given this identification scheme the author analyzes the dynamic effects and relative importance of real and nominal shocks with regards to exchange rates the findings indicate that real shocks dominate nominal shocks for both exchange rate series over short and long frequencies copyright 1992 by mit press

efetividade do instrumento antidumping no brasil entre 1990 e 2007 the aim of this study was to evaluate the effectiveness of anti dumping instrument in brazil two aspects the relationship between antidumping filings and macroeconomic factors and the effects of macroeconomic variables and industry size on the likelihood of petitioner law enforcement antidumping the results showed that macroeconomic variables have no effect on the number of antidumping filings for the brazilian economy from 1990 to 2007 moreover result supports the hypothesis that adverse scenarios in the national economy and the specific characteristics of sectors petitioners for the increased probability of conclude by the application of antidumping law reducing its effectiveness

the political economy of administered protection trade restrictions are hardly ever voted directly by congress though the threat of direct congressional action is frequently present pressure for protection is usually applied through the major instruments for the administrative regulation of imports the antidumping and countervailing duty procedures and the escape clause mechanism in this paper we will examine these instruments for the administrative regulation of imports the form of the paper is not novel a theory of how these mechanisms work is developed then operational implications of this theory are deduced and tested over the record of countervailing duty antidumping and escape clause cases decided from 1975 through 1979 this is the period over which the trade act of 1974 was in force because the nature of these mechanisms is relatively unfamiliar a relatively large amount of institutional information is provided

identifying sources of macroeconomic and exchange rate fluctuations in the uk abstract using quarterly data for the period 1985 1 2011 1 this paper uses a stylised open economy structural var model to identify the types of shocks responsible for macroeconomic fluctuations in the uk economy the stylised model implies a set of short run restrictions that allow for the identification of the shocks the importance of each shock is determined by examining forecast error variance decompositions impulse response functions and implied long run or permanent effects the results presented here imply that two shocks called the technology and is shocks are relatively more important than other shocks monetary shocks do exhibit long run monetary neutrality but clearly monetary policy is not responsible for a meaningful share of output and employment fluctuations during the sample period the estimated var and structural disturbances imply that the model accurately reflects the uk economy there is little evidence of a price puzzle or an exchange rate puzzle evidence against uncovered interest rate parity in response to an unexpected monetary policy tightening

macroeconomic determinants of the world trade disputes this article is whether and how the world macroeconomic environments influence the world trade disputes we use two pronged approach first we try to answer the question whether and how global macroeconomic environments are attached to the count of the world trade disputes even if the traditional literature captures it at the national level global picture needs to be completed the second question we address is that given the set of trade dispute initiating countries whether and how differently high middle and low income countries respond to their macroeconomic environments in their decision makings of trade disputes initiations the universe in the second question is a selected set of the filing countries only not all countries on this planet one can capture the behaviours of the countries involved in the trade disputes under certain macroeconomic circumstances the period is from 1995 to 2008 covering all records of trade disputes since the birth of the world trade organization wto

revisiting the exchange rate pass through a general equilibrium perspective abstract a large literature estimates the exchange rate pass through to prices erpt using reduced form approaches whose results are an important input for central banks we show two shortcomings of these empirical measures for monetary policy analysis which are quantitatively important and may lead to imprecise and biased inflation predictions first while the literature describes a single erpt which we will label unconditional there are different erpt conditional on each shock that hits the economy second these crucially depend on expected monetary policy so that empirical erpt measures should not be taken as given in evaluating policy actions we use a simple model of a small and open economy to understand the intuition behind these two critiques showing that these results seem to hold under many alternative specifications we then highlight the quantitative relevance of these distinctions using a large scale dsge model of a small open economy

firm participation in steel industry lobbying firm participation in steel industry lobbying i introduction what are the causes of recent protectionist pressure exerted by u s import competing firms studies by coughlin terza and khalifah 1989 feigenbaum and willett 1985 and takacs 1981 examine the empirical relationship between macroeconomic conditions and the aggregate frequency of escape clause petitions file by u s manufacturing firms although the results are mixed as to whether international macroeconomic performance influences the demand for protection the studies indicate that domestic macroeconomic conditions significantly influence the frequency of escape clause petitions 1 as important as these are to understanding the underlying sources of protectionist pressure they do not address another equally important aspect of protectionist pressure the determinants of a single industry s demand for protection the fact that most protectionist pressure results from actions taken by individual industries underscores the importance of understanding the determinants of industry pressure indeed most trade legislation is designed to respond to the problems of individuals sectors of the economy in this paper we empirically examine the microeconomic determinants of the protectionist pressure exerted by the u s steel industry in antidumping and countervailing duty cases from 1982 after the trigger price mechanism was abolished to 1986 the steel industry is a particularly attractive subject for empirical analysis since no other industry pushed more aggressively for protection during the 1980s in recognizing that the degree of pressure exerted by an industry is the aggregate result of decisions made by individual firms to contribute to a collective action the microeconomic approach offers two advantages over previous studies 2 first to explain industry pressure we model the decision of the representative firm taking into account the incentives that a firm faces in a collective setting for example we recognize that the benefits of antidumping and countervailing duties have characteristics of a public good so that individual firms may have an incentive to free ride a proposition supported by the empirical results second we specify microeconomic variables that reflect the economic conditions facing the representative firm in the steel industry rather than macroeconomic variables which may not accurately measure the economic performance of specific industries or the international pressures they face in contrast to previous studies which found a significant relationship between macroeconomic performance and aggregate pressure we do not find that the steel industry s economic performance influences the degree of industry pressure our second objective is to examine the policy implications of free riding by testing the relationship between the effectiveness of a coalition of firms and the degree of protection actually received if an effective coalition of firms can influence the policy outcome then antidumping and countervailing duties are more likely to be provided to segments of the steel industry that can minimize the free rider problem since these segments are not necessarily those that absorb the greatest injury u s trade policy may not be meeting its goal of providing greater relief to firms most injured by dumped or subsidized imports the results confirm the proposition that segments of the steel industry which are injured by dumped or subsidized imports and which can organize an effective coalition do in fact receive greater protection than those segments that are merely injured ii the representative firm s decision to contribute to a less than fair value action to obtain protection from alleged less than fair value lfv imports imports that are either dumped by foreign firms or subsidized by foreign governments firms representing a domestic industry must file a complaint of foreign dumping or export subsidization with the international trade administration ita which then determines the magniture of dumping or subsidization

injury based protection with auditing under imperfect information 1 introduction this article focuses on the use of signals to limit distortionary protection when a domestic firm has private information about injury from foreign competition we assume that a domestic authority is mandated to use trade policy to maintain domestic production while minimizing costs to domestic consumers the presence of asymmetric information about domestic production costs means that the firm will have an incentive to overstate the harm it is suffering from imports we analyze how the authority can use an incentive device to punish a firm if a costly audit determines that the firm has overstated its injury an incentive compatible mechanism is derived consisting of a probability of audit a tariff and a penalty that will insure that the firm does not retain informational rents associated with the private information this basic problem of an authority assessing domestic injury arises in a number of critical trade policy contexts the two most prominent examples in the world trade organization wto system are safeguard mechanisms and unfair trade remedies i e antidumping and countervailing duty investigations in both types of administered protection cases a domestic trade authority must determine whether injury beyond some critical level has occurred before wto consistent protection can be imposed the information used to evaluate injury is provided by the affected domestic industry which has an obvious incentive to overstate the harm caused by foreign competition given that these types of contingent protection procedures are the single most important form of protection under the wto system potential misuse of private information is of great importance there are two strands of relevant literature the first considers strategic behavior in the specific context of administered protection the second concerns information asymmetries in more general trade policy outcomes the former strand has focused on strategic behavior between firms to exploit administered protection procedures prusa 1992 shows how antidumping cases in home and foreign firms can manipulate contingent protection to enforce collusion staiger and wolak 1991 study how antidumping acts as a cartel enforcing device in a noncooperative infinitely repeated game framework in a two period noncooperative game framework with uncertainty prusa 1994 shows that the home firm might feign first period injury in order to get the protection in the second period this may induce foreign firms to raise their export prices and to lower their own domestic market price as shown by fischer 1992 firms will try to act strategically to increase the endogenous probability of protection leidy and hoekman 1991 and leidy 1994 extend this concept more broadly to contingent protection and call it spurious injury the second strand of the literature focuses more broadly on incomplete information in trade policy collie and hviid 1994 investigate rent extraction from a foreign monopolist with incomplete information about domestic demand qiu 1994 and brainard and martimort 1997 investigate strategic trade policy with incomplete information about the domestic cournot firm s costs herander and kamp 1999 consider how incomplete information about the domestic cost structure can affect the outcomes of quantitative restrictions while collie and hviid 1994 herander and kamp 1999 and qiu 1994 use a signaling game framework brainard and martimort 1997 develop their approach within an incentive contracts context this article s approach is based on both incentives and signals we follow partially the approach of kohler and moore 1998 who analyze the same information asymmetries but use transfers to the domestic firm to elicit truth telling the present analysis takes perhaps a more realistic tack by considering how an authority can audit information provided by the firm to eliminate misrepresentation of injury

virtual carbon and water flows embodied in international trade a review on consumption based analysis in the globalised world greenhouse gas ghg emissions and water consumption are becoming increasingly important indicators for policy and decision making development of footprint assessment techniques over the last decade has provided a set of tools for monitoring co2 emissions and water flows in the world an overview of the virtual co2 emissions and virtual water flow trends in the international trade based on consumption perspective is performed in the current work the review of the recent literature indicates that 1 producers and consumers are located at various places in different parts of the world and consequently they are significant differences in virtual ghg greenhouse gases emissions 2 the us and the eu have high absolute net co2 imports 3 china and some other fast developing countries as india brazil and others are exporting countries and increasingly carry the load of exports of virtual ghg including co2 emissions and virtual water that are triggered due to consumption of the related goods in the importing countries 4 by importing products produced with lower carbon emission intensity and less water consumption than in the domestic industry international trade can reduce global environmental pressure results from analysis indicate that future actions should be focused onto two main areas i to steer regions towards self sufficiency based on more efficient processes and by combining production of surrounding countries ii to develop a mechanism with shared market of virtual carbon and virtual water between trading partners regionally and internationally

goods prices and exchange rates what have we learned import prices typically change by a smaller proportion than the exchange rate between the exporting and importing country recent research indicates that common currency relative prices for similar goods exported to different markets are highly correlated with exchange rates between those markets this evidence suggests that incomplete pass through is a consequence of third degree price discrimination while distance matters for market segmentation borders have independent effects the source of the border effect has not been clearly identified furthermore there is little evidence yet to suggest substantial market power is implied by the observed price discrimination

exchange rate pass through abstract the resilience of trade balances of the major industrialized economies to changes in their exchange rates has evoked interest in the exchange rate pass through relationship so far there has not been a comprehensive survey of this literature the paper aims to fill this gap in two ways first it pieces together the theoretical literature on exchange rate pass through second it provides a critical survey of the empirical literature on exchange rate pass through emphasis is placed on the data and methodology employed in previous work this is done in order to guide future work in this growing area of research

does exchange rate stability increase trade and welfare we develop a simple general equilibrium framework to study the effect of the exchange rate system on trade and welfare an important feature of the model is deviations from purchasing power parity caused by rigid price setting in buyers currency we find the following first exchange rate stability is not necessarily associated with more trade in a simple benchmark model with separable preferences and only monetary shocks trade is unaffected by the exchange rate system consistent with most evidence second both trade and welfare can be higher under either exchange rate system depending on preferences and on the monetary policy rules followed under each system finally in general there is no one to one relationship between the levels of trade and welfare across exchange rate systems

are virtual water flows in spanish grain trade consistent with relative water scarcity abstract virtual water adds a new dimension to international trade and brings along a new perspective about water scarcity and water resource management most virtual water literature has focused on quantifying virtual water flows and on its application to ensure water and food security nevertheless the analysis of the potential gains from international trade at least from a water resources perspective needs to take into account both spatial and temporal variations of blue groundwater and stream flow and green soil moisture water as well as the socioeconomic and policy conditions this paper evaluates whether spanish international trade with grains is consistent with relative water scarcity for this purpose the study estimates the volume and economic value of virtual water flow through international grain trade for the period 1997 2005 which includes 3 years with different rainfall levels the calculations show that spain is a net virtual water importer through international grain trade the volume of net virtual water imports amounts to 3420 4383 and 8415 million m 3 in wet 1997 medium 1999 and dry 2005 years respectively valuing blue water at its shadow price or scarcity value blue water exports oscillate between 0 7 and 34 2 million euros for a wet and dry year respectively overall grain trade is apparently consistent with relative water scarcity as net imports increase in dry years however the evolution of grain exports expressed as a variation in quantity and volume does not match the variations in resource scarcity a disaggregated crop analysis reveals that there are other factors such as quality product specialization or the demand for a standardized product which also influence trade decisions and are not included in the notion of virtual water these facts among others can therefore create potential distortions in the application of virtual water to the analysis of specific trade patterns nevertheless from a water resources perspective virtual water can bring important insights across countries for improving water and land management globally fostering adaptation strategies to climate change and to transboundary resource management

a new look at pass through abstract this paper examines the relationship between exchange rates and prices rather than assuming exchange rate changes are exogenous shocks that affect prices i use a long run restrictions var to identify shocks and explore the way domestic prices import prices and exchange rates react to a variety of shocks consumer price pass through is nearly complete in response to some shocks but low in response to others alternatively import prices and exchange rates typically respond in the same direction and pass through seems quick this supports the idea that import prices are set in the producer s currency and that lower cpi pass through is a result of changes in quantities or margins further down the supply chain

do measures of monetary policy in a var make sense a reply to christopher a sims using the estimated var system one can trace out how monetary policy innovations affect the economy as john cochrane 1996 p 1 notes this literature has at last produced impulse response functions that capture common views about monetary policy for example in finding that a positive innovation to monetary policy is followed by increases in output prices and money and by a decline in the short term nominal interest rate in addition despite ongoing debates about precisely how the policy innovation should be identified the estimated responses of key macroeconomic variables to a policy shock are reasonably similar across a variety of studies and suggest that monetary policy shocks can have significant and persistent real effects

do measures of monetary policy in a var make sense no in many vector autoregressions vars monetary policy shocks are identified with the least squares residuals from a regression of the federal funds rate on an assortment of variables such regressions appear to be structurally fragile and are at odds with other evidence on the nature of the u s federal reserve s reaction function furthermore the residuals from these regressions show little correlation across various vars or with funds rate shocks that are derived from forward looking financial markets my results provide a sharp critique of current monetary vars

china and trans pacific partnership agreement countries estimation of the virtual water trade of agricultural products abstract the trans pacific partnership agreement tppa is one of the most important multilateral free trade and investment agreements in recent years although as a major economic power in the asia pacific region china has yet to join the tppa existing research on china and tppa countries has mainly been conducted from political and economic perspectives this paper first reports the relationship between china and tppa countries from the perspective of virtual water trade of agricultural products and completes a diachronic analysis from 2001 to 2014 the results indicate that china was in virtual water trade surplus with tppa countries for agricultural products and that the surplus had an expansion trend the exported virtual water totalled 7 47 billion m 3 y whereas 63 45 billion m 3 y was embedded in imported products malaysia was the biggest virtual water surplus partner of china and japan was the biggest virtual water deficit partner additionally the proportion of the grey water footprint of agricultural products that china exported to tppa countries was about five times higher than that imported from tppa countries it reflected the difference of agricultural science and technology moreover the products structure of china s virtual water trade was not reasonable and was excessively focused on several products finally with respect to environmental and water allocation ethics tppa countries were classified into four types in terms of net import and water abundance mutual benefit countries australia canada new zealand the united states malaysia and chile unilateral benefit countries peru and brunei supported countries japan and singapore and double pressure countries mexico and vietnam with respect to the virtual water trade of agricultural products there is a close relationship between china and tppa countries the virtual water trade promotes the sustainability of water resources and the findings are conducive to the adjustment of trade structure to achieve optimal state of ecology economy and politics

macroeconomic aspects of exchange rate pass through abstract this paper addresses the cause of the variability in exchange rate pass through we develop a model in which foreign exporters setting prices under uncertainty infer the value of domestic income and prices based upon their observation of the exchange rate and their knowledge of the stochastic structure of the economy this inference problem links pass through to the underlying stochastic macroeconomic structure of the economy rather than the source direction or size of the endogenous exchange rate movement that period the predictions of the model are consistent with pass through experience in the united states during the past decade

the effect of globalisation on water consumption a case study of the spanish virtual water trade 1849 1935 abstract this paper aims to analyse the impact on water consumption of trade expansion in the first era of globalisation to that end we have chosen the case of spain a semi arid country with significant cyclical water shortages more specifically we are interested in answering the following questions what volume of water was required for exports of agricultural and food products how did this variable evolve over time which factors drove this evolution in short we wish to understand the impact on water resources of spain s entry into world agriculture and food markets firstly we examine virtual water trade flows in the long run secondly we attempt to disentangle certain major driving forces underlying these trajectories in order to establish the role played by trade in the final net balance of water a decomposition analysis da is applied our findings show the great pressures that the first globalisation imposed on not only domestic but also foreign water resources trade volumes as well as trade patterns were essential factors driving rising virtual water flows while yield improvements contributed smoothly to moderation in the expansion of water flows