a joint product analysis of the adoption of modern cereal varieties in developing countries semi dwarf wheat varieties have been slow to diffuse in some regions despite their superior grain yield we analyze varietal differences in yields of the joint products of grain and straw the decision to adopt new varieties and nitrogen demand the low straw yield of semi dwarf varieties under low input conditions is shown to be a plausible explanation for their slow adoption in some regions first generation modern varieties induced a large increase in the derived demand for nitrogen but subsequent varietal development appears to have had little impact on nitrogen demand

occupational choice and the process of development this paper models economic development as a process of institutional transformation by focusing on the interplay between agents occupational decisions and the distribution of wealth because of capital market imperfections poor agents choose working for a wage over self employment and wealthy agents become entrepreneurs who monitor workers only with sufficient inequality however will there be employment contracts otherwise there is either subsistence or self employment thus in static equilibrium the occupational structure depends on distribution since the latter is itself endogenous we demonstrate the robustness of this result by extending the model dynamically and studying examples in which initial wealth distributions have long run effects in one case the economy develops either widespread cottage industry self employment or factory production employment contracts depending on the initial distribution in the other example it develops into prosperity or stagnation

causality between public expenditure and national income this paper deploys the granger method to determine the directions and patterns of causality between national income and total as well as various components of public expenditure empirical results based on the data for india 1950 81 suggest that while at the disaggregate level the causal process is rather diverse it is essentially feed back type at the aggregate level it neither confirms the wagnerian income public expenditure nor the keynesian public expenditure national income view the paper recommends that two variables be treated as jointly dependent in both the public finance and macroeconometric studies

stuck on stubble the non market value of agricultural byproducts for diversified farmers in morocco diversified agricultural households often use byproducts of one activity as inputs for another for crop livestock farmers cereal production provides grain and crop residue where the latter can be used as livestock feed to properly assess the cost of introducing new technologies into such systems one must value the implicit cost of byproducts which is made difficult by missing byproduct markets we estimate the shadow value of non market crop stubble using household data from morocco and find that stubble accounts for around one quarter of the value of cereal production in a normal rainfall year and three quarters in a drought year

a new test of money income causality this paper investigates the prima facie causal relationship between money and income employing a methodology the multiple rank f test the results of which are invariant to monotonic transformations of all variables and robust over alternative distributions of the errors in contrast to prior functional form dependent parametric analyses evidence of prima facie causality between money and income is found for the 1970 88 time period this evidence is consistent with an elementary theoretical framework in which the direction and strength of causality is dependent upon the definition of money copyright 1992 by ohio state university press

an analysis of the relationship between various redistributive programs and poverty this paper utilizes multivariate exogeneity causality tests to analyze the relationship between various income policy programs and the poverty rate the framework we develop allows us to make a distinction between intended poverty reduction objectives and automatic stabilizing behavior since we find that the poverty in a given year affects the funding of social programs in later years we conclude that these programs are primarily acting as automatic stabilizers i e the poverty reduction instruments do not appear to have been implemented with a relentless intent to reduce poverty a result consistent with tullock s 1983 1986 theorem

on the casual relationship between government expenditures and national income a research strategy is suggested that separates the issue of inference from the problems of prediction or of quantitative policy analysis of an empirical parametric model and illustrates a new methodology that enables this in a test for prima facie causality unlike the conventional parametric test the more powerful multiple rank f test is invariant to monotonic transformations of the variables and independent of the error distribution employing this test the wagnerian hypothesis supported by conventional parametric analysis is rejected and the conventional keynesian theory is accepted copyright 1990 by mit press

economic development institutional change and the political economy of agricultural protection an econometric study of belgium since the 19th century this empirical study uses 100 years of annual data on 11 agricultural commodities from belgium to measure the impact of structural changes coinciding with economic development and changes in political institutions on agricultural protection the analysis shows that changes in agricultural protection are caused by a combination of factors governments have increased protection and support to farmers when world market prices for their commodities fell and vice versa offsetting market effects on producer incomes other economic determinants were the share of the commodities in total consumer expenditures negative effect and in total output of the economy positive effect with belgium a small economy there was no impact of the trade position changes in political institutions have affected agricultural protection democratic reforms which induced a significant shift in the political balance towards agricultural interests such as the introduction of the one man one vote system led to an increase in agricultural protection the integration of belgian agricultural policies in the common agricultural policy in 1968 coincided with an increase in protection ceteris paribus both institutional factors related to changes in access to and information about the decision making at the eu level and structural changes in the agricultural and food economy may explain this effect

forecasting wheat exports do exchange rates matter a vector autoregression is fit to recent u s data on wheat prices wheat export sales wheat export shipments and exchange rates forecast error decompositions and out of sample forecasts indicate that exchange rates have little influence on wheat sales and shipments

lag length selection and tests of granger causality between money and income one of the most widely accepred relationships in macroeconomics is the positive relationship between the rate of growth of the money supply and the rate of growth of income a diversity of opinion arises however with the attempt to identify a causal relationship between these variables while friedman and schwartz 1963 initiated the empirical investigation of money income causality sims 1972 made the most significant contribution to this literature with a practical application of the criterion developed by granger 1969 for identifying a causal relationship since the appearance of sims s approach and an alternative one advanced by sargent 1976 many researchers have applied these techniques to the investigation of the causal relationship between money and income l with two exceptions hsiao 1981 and mcmillin and fackler 1984 these researchers have arbitrarily chosen the lengths of their distributed lags the purpose of this paper is to test for granger causality between money and income this paper differs from previous work in that considerably more attention is focused on the effect of the lag specification on the test results in particular we investigate the extent to which rules of thumb arbitrary lag specifications and

money inflation and causality in a financially repressed economy algeria 1970 88 the objective of the paper is to replicate tests identifying the line of causality between the money supply and the rate of inflation using algerian date for the period 1970 88 and provide new evidence for a developing economy the methodology adopted is that of granger and the results show that there is a very strong relationship between the money supply and the rate of inflation with the line of causation being unidirectional that is from the money supply to inflation with no feedback effects

the causal factors of government expenditure growth in greece 1950 80 the notion of causal relationships is the basis on which the empirical testing of theoretical propositions rests this paper considers the risks from the wrong identification of causal relationships and then by using the pierce haugh test attempts to establish the correct causal patterns between various groups of government expenditures within the context of the greek economy from 1950 to 1980 and other variables which have appeared in the literature of the determinants of government expenditure growth

an econometric test of wagner s law for six countries based on cointegration and error correction modelling techniques the present study empirically examined five different versions of wagner s law by employing annual time series data on six countries over the period 1951 1996 three countries are part of the emerging industrialized countries of asia south korea taiwan thailand and three are industrialized countries japan usa and the united kingdom the analysis is an advance over previous work in two ways first the stationarity propertities of the data and the order of integration of the data are empirically investigated using the augmented dickey fuller adf and the kwiatkowski et al journal of econometrics 1 1992 kpss tests and second the hypothesis of a long run relationship between income and government spending is tested using bivariate cointegrated systems and employing the methodology of cointegration analysis as suggested by johansen journal of economic dynamics and control 12 1988 and johansen and juselius oxford bulletin of economics and statistics 52 1990 the results indicate that

has the green revolution been sustained the quantitative impact of the seed fertilizer revolution in pakistan revisited abstract quantitative impacts of the green revolution on food production in the punjab of pakistan are reviewed and the effects of different technologies on wheat yields over the past two decades decomposed new quantitative evidence of sustainability problems in irrigated systems is presented the yield increases expected in the post green revolution period from the further spread of modern wheat varieties a tripling of fertilizer dosage and the release of newer higher yielding varieties have been cancelled by problems resulting from increased cropping intensity use of poor quality groundwater low fertilizer efficiency and increased weed and disease losses new directions in institutional policies and research and extension strategies are outlined to improve efficiency and sustainability in wheat production and prevent pakistan from becoming a major food grain importer in the coming decades

causality between export growth and industrial development empirical evidence from the nics a comment abstract in a recent article chow 1987 argued that his empirical evidence supports the hypothesis that export growth causes industrial development in this comment i point out several serious shortcomings of chow s analysis

the causes of africa s food crisis abstract this paper examines the causes of africa s food crisis by examining patterns of food imports the econometric results indicate that the rise in food imports during 1970 87 can be explained by a combination of demographic policy and economic factors which have raised domestic demand for imported food these factors include urban migration peaks in income especially during commodity booms lower international prices of food and distorted exchange rates after accounting for these factors the residual trend in food imports per capita is negative over this period evidence is also presented showing that in ghana policy reforms have led to reverse migration from urban to rural areas

modern varieties productivity and sustainability recent experience and emerging challenges abstract the contribution of modern varieties of cereal crops to increased productivity in the postgreen revolution period is reviewed and the future role of hybrids and biotechnology discussed particular emphasis is given to the ways in which modern varieties may contribute to input efficiency and sustainability finally economic and institutional issues in restructuring plant breeding programs for the most efficient use of resources in both the public and private sectors and at the national and international levels are analyzed

ldc agriculture nonparametric malmquist productivity indexes abstract this paper examines changes in agricultural productivity in 18 developing countries over the period 1961 1985 we use the nonparametric output based malmquist index to examine whether the results from such an approach confirm results from other methods that have indicated declining agricultural productivity in less developed countries ldcs the results confirm previous findings indicating that at least half of these countries have experienced productivity declines in agriculture we also found that those countries that tax agriculture most heavily had the most negative rates of productivity change

new ways of looking at old issues inequality and growth abstract the paper uses new cross country data on income and asset land distribution to show that i there is a strong negative relationship between initial inequality in the asset distribution and long term growth ii inequality reduces income growth for the poor but not for the rich and iii available longitudinal data provide little support for the kuznets hypothesis policies that increase aggregate investment and facilitate acquisition of assets by the poor might thus be doubly beneficial for growth and poverty reduction

urbanization informal sector and development abstract urbanization is a universal phenomenon in the postwar world but its qualitative nature is varied across countries some nations have experienced urbanization that accompanied skill upgrading industrialization and the expansion of the urban formal modern sector but others urbanized without such modernization and underwent the expansion of the urban informal traditional sector simultaneously the question that naturally arises is what are the underlying causes for the differences the purpose of the paper is to tackle this question analytically based on a dynamic model of urbanization and development

evaluating the integration of contiguous discontinuous markets this paper applies the concepts of structural models of markets market integration and market discontinuity to show that discontinuous markets alter the integration characteristics of continuous markets when analyzing systems of contiguous markets some of which are discontinuous it appears that the continuous markets are less well integrated when the discontinuous markets are operating than when they are not operating

income distribution and macroeconomics this paper analyzes the role of wealth distribution in macroeconomics through investment in human capital it is shown that in the presence of credit markets imperfections and indivisibilities in investment in human capital the initial distribution of wealth affects aggregate output and investment both in the short and in the long run as there are multiple steady states this paper therefore provides an additional explanation for the persistent differences in per capita output across countries furthermore the paper shows that cross country differences in macroeconomic adjustment to aggregate shocks can be attributed among other factors to differences in wealth and income distribution across countries

the dynamics of fertility family planning and female education in a developing economy unlike most empirical works on fertility analysis this study is the first attempt to analyse the dynamics of fertility and its determinants with a particular focus on the role played by female education and family planning programmes in the context of a traditional society the analysis is based on the application of the following dynamic time series techniques in a multivariate context cointegration vector error correction modelling and variance decompositions these dynamic tools are recently developed and hitherto untried in fertility analysis in the context of a poor developing economy such as india the results based on the above most recently developed methodology broadly indicate that in the complex dynamic interactions the importance of conventional structural hypothesis as a granger causal factor in bringing fertility down in the longer term cannot be denied however overall in the short to long term the findings appear to be more consistent with the recent ideational hypothesis

a bound testing analysis of wagner s law in nigeria 1970 2006 this study tests wagner s law the tendency for government activities to expand along with economic expansion for nigeria using annual time series data between 1970 and 2006 it adopts the bounds test approach proposed by pesaran et al 2001 based on unrestricted error correction model uecm and toda and yamamoto s 1995 granger noncausality tests empirical results from the bounds test indicate that there exists no long run relationship between government expenditure and output in nigeria in addition toda and yamamoto s 1995 causality test results show that wagner s law does not hold for more than the period being tested rather we found a weak empirical support in the proposition by keynes that public expenditure is an exogenous factor and a policy instrument for increasing national income

formal measures of the informal sector wage gap in mexico el salvador and peru using comparable micro level data from three countries we ask what type of person works in the informal sector and whether informal workers earn lower wages than observationally equivalent workers in the formal sector the characteristics of informal workers are similar across countries surprisingly when we control for these personal characteristics we find a significant wage premium associated with formal employment in el salvador and peru but a premium associated with work in the informal sector in mexico a model of endogenous selection offers little help in explaining the differences in wage patterns the research casts doubt on the received wisdom that the informal sector always and everywhere is a poorly paid but easily entered refuge for those who have no other employment opportunities this abstract was borrowed from another version of this item

energy and economic growth in the usa a multivariate approach abstract this paper examines the causal relationship between gdp and energy use for the period 1947 90 in the usa the relationship between energy use and economic growth has been examined by both biophysical and neoclassical economists in particular several studies have tested for the presence of a causal relationship in the granger sense between energy use and economic growth however these tests do not allow a direct test of the relative explanatory powers of the neoclassical and biophysical models a multivariate adaptation of the test vector autoregression var does allow such a test a var of gdp energy use capital stock and employment is estimated and granger tests for causal relationships between the variables are carried out although there is no evidence that gross energy use granger causes gdp a measure of final energy use adjusted for changing fuel composition does granger cause gdp

testing for causality between government spending and taxation in the past few years the public sector deficit in greece has reached alarmingly high levels in view of the various hypotheses about the relation between government spending and revenues we test for causality between these two determinants of public deficit

multivariate exogeneity tests and poverty abstract many recent studies presume direction of the relationship between poverty and other economic factors is one way that is they assume that the various economic phenomena cause or affect poverty and that there is no feedback however if feedback is present it is possible that the level of poverty or the perception of poverty may not only impact public policy decisions aimed at eradicating poverty but may have indirect effects on other economic variables as well we test that hypothesis in this paper using multivariate exogeneity tests

property tax and inter municipal migration in canada a multivariate test of the tiebout hypothesis this paper tests the causal ordering between property taxes and inter municipal migration using both bivariate and multivariate methods empirical results based on annual data for post war canada 1940 84 support the tiebout tullock hypothesis which implies that differential local tax system and public services induce inter comunity migration inter alia local spending and taxation are not therefore fully capitalized in property values the bivariate tests based on the granger sims test and hsiao s procedure indicate an instantaneous bidirectional causality between property taxes and migration but the multivariate granger test supports only a unidirectional causality from property taxes to migration

informal sector and informal capital market in a small open less developed economy abstract a three sector static model of a small open economy has been developed with special consideration to the urban informal sector and the informal capital market informal capital is mobile between the rural sector and the urban informal sector policy effects in this model appear to be different from those analysed in other three sector models

testing wagner versus keynes using disaggregated public expenditure data for canada this paper attempts to test wagnerian versus keynesian hypotheses by examining the relationship between national income and total public expenditure as well as its various components for canada during the period 1950 1995 engle and granger s two step cointegration and error correction techniques are employed to test these two hypotheses the results of this study support both the hypotheses when tested with broader aggregate expenditure data i e total government current expenditure ce and total current expenditures on goods and services cegs although the results of this study do not support the existence of any long run relationship between gdp and the disaggregated public expenditure variables they do support the existence of short run causation implying that national income may be causing or caused by a component of the total government current expenditure in the short run

macroeconomic effects of fiscal policy in pakistan a disaggregate analysis abstractthis study analyzes the macroeconomic effects of fiscal policy on macroeconomic variables in pakistan the study utilizes var framework and uses quarterly data of pakistan from 1976q1 to 20

wagner s law versus displacement effect abstractthe public sector has grown dramatically over the past few centuries in many developed countries in this article we use wavelet methods to distinguish between two leading explanations for this growth wagner s law and the displacement effect in doing so we use the long term data of 10 oecd countries for a maximum time span of 1800 2009 we find that the validity of wagner s law is likely to vary strongly over time for each country a roughly similar feature in most of the countries is that the law is less valid in the earliest stage of economic development as well as in the advanced stages with the validity tending to follow an inverted u shaped pattern with economic development further our results indicate that the long run growth of government size cannot be adequately explained by wagner s law on the other hand the displacement effect appears to account for the bulk of the growth in most of the countries

v goods and the role of the urban informal sector in development this paper analyzes the role of the urban informal sector in a developing country in relation to the performance of agriculture and other rural activities on the one hand and that of urban formal sector activities on the other it decomposes the sectors into traditional and modernizing components traceable to production and consumption linkages with the rest of the economy as well as the character of government interventions over time the paper contrasts success cases a la taiwan in which the overall size of the urban informal sector remains modest the modernizing sub sector grows in relative importance and the end of overall labor surplus is reached rather early with non success cases a la the philippines in which rapid rural urban migration enhances the overall size of the urban informal sector the traditional sub sector grows relatively and the end of the labor surplus condition is substantially delayed authors

inflation and the distribution of price changes across markets a causal analysis recent advances in time series methodology are applied to the investigation of causal relationships between monthly changes in the consumer price index and changes in its dispersion across different consumption categories this dispersion is associated with the degree to which relative prices are changing past inflation rates seem useful in forecasting changes in relative prices but not vice versa there is also a significant contemporaneous correlation between these series hence it is concluded that fluctuations in the inflation rate help cause fluctuations in relative prices but not vice versa unless the entire effect occurs within a month the analysis also serves to illustrate a new way to implement the granger causality concept

mobility and labor market segmentation the urban labor market in el salvador there is now a large literature examining the hypothesis that there are barriers to mobility between sectors of the labor market in developing countries though there are many explanations for barriers to mobility most versions of the segmented labor market hypothesis are based on restricted access to a higher wage primary or formal sector and free access to a lower wage secondary or informal sector the testable predictions of the hypothesis are the implications of the assumption of excess supply to the primary sector most studies have found results consistent with these predictions including different structures of wages between sectors lower returns to human capital in the secondary sector and lower job tenure by sectors for some demographic groups but as several authors have recently noted it is difficult to distinguish this hypothesis from other competitive explanations for these patterns the competitive model is also consistent with the testable predictions of the segmented labor market hypothesis though the competitive model is consistent with the observed patterns the observed patterns do put restrictions on the version of the competitive model that is appropriate for developing countries for example the finding that earnings tend to be lower in the informal sector is consistent with compensating differentials but this applies only to compensating differentials that are based on formal sector employment as being less desirable such as job flexibility similarly the finding of lower returns to human capital in the informal sector is consistent with life cycle models of investment in human capital but only models in which there is lower labor market attachment of those employed in an informal sector and thus less time to recuperate investments in on the job training but most of the necessary assumptions are reasonable and as a result tests of the segmented labor market hypothesis cannot distinguish among competing explanations

the causal relationships between equity indices on world exchanges the engle and granger cointegration analysis and granger causality tests are applied to monthly time series of nine major stock market indices over the period january 1982 to february 1991 to examine for causal linkages the empirical results indicate that there is adequate evidence to refute the notion of informationally efficient stock markets

segmented or competitive labour markets a normal roy model with four sectors is developed it allows to derive tests of several assumptions on the working of the labor market strongly or weakly competitive or segmented it shows that more important a feature of labor markets than segmentation is the presence of comparative advantages for individuals between the various economic sectors the model is applied to data on women s labor force participation in the main towns of colombia in 1980 it uses multivariate probit and tobit techniques copyright 1991 by the econometric society

research for marginal environments are we underinvested abstract evidence is presented to show that adoption of modern wheat varieties in rainfed marginal environments of the developing world has lagged substantially compared to adoption in favoured well watered areas possible reasons for this lag are discussed and a simple congruency model is used to examine the case for shifting research resources from favoured to marginal environments with particular reference to wheat breeding application of the model to resource allocation in wheat research at the international level and for india a major wheat producing country suggests that the proportion of research resources invested in marginal environments has been adequate or even a bit high relative to the share of the value of wheat produced in these environments taking into account both efficiency and equity criteria

unemployment migration and growth economic development is typically accompanied by migration from rural to urban employment this migration is often associated with significant urban underemployment both factors are important in the development process we consider a neoclassical growth model with rural urban migration and urban underemployment which arises from an adverse selection problem in labor markets we demonstrate that rural urban migration and underemployment can be a source of development traps and can give rise to a large set of periodic equilibria display long periods of uninterrupted growth punctuated by brief but severe recessions

on interest rate innovations and anticipated monetary policy abstract in this note i investigate whether anticipated money matters by following mccallum s 1983 suggestion that nominal interest rates be included in a var system estimated on data spanned by a policy of interest rate targeting the evidence is in favour of gordon s 1982 natural rate hypothesis gradual price adjustent model of policy ineffectiveness ambler and phaneuf 1988 have shown the results can be interpreted as evidence in favour of contract based models of the business cycle

money inflation and casuality another look at the empirical evidence for the usa 1953 84 this paper addresses the issue of the existence of a causal relationship between inflation i e change in the price level and change in the money supply three different causality tests are discussed and implemented for two separate time periods the results are mixed and somewhat difficult to interpret on intuitive grounds while a causal relationship is found to exist between changes in the consumer price index and changes in the narrowly defined money supply there is no relationship indentifiable between the other price and money supply data series used given this result one can see why different results are frequently obtained the different researchers focusing on the question of a relationship between the supply of money and prices finally the results of a previous paper by feige and pearce are called into question as the result of a serious misspecification

the savings growth nexus for the malaysian economy a view through rolling sub samples the purpose of this study is to re investigate the savings growth nexus for the malaysian economy using bounds testing approach to cointegration and toda and yamamoto 1995 and dolado and lutkepohl 1996 tydl granger causality test this study covered the sample period from 1971 q1 to 2008 q4 the cointegration results suggest that the variables are moving together in the long run and the tydl granger causality results indicate that the relationship between savings and economic growth is bilateral in addition the rolling sub samples tydl granger causality test exhibited a relatively stable causal relationship running from savings to economic growth in malaysia particularly before the onset of asian financial crisis in 1997 1998

on the intersectoral migration of agricultural labor labor is the single most important factor in determining national income as economies grow agricultural labor declines as a share of total labor and converges to a level of 2 or 3 percent off farm migration facilitates the development of nonagriculture but historically the process spans decades the authors argue that the pace of the process is a fundamental outcome of a dynamic equilibrium based on expectations of lifetime earnings and the cost of migration the authors present an empirical model of the determinants of intersectoral migration one fundamental determinant is income differences across sectors as such migration should stop when income differences reach a certain level the authors provide a method of measuring the level at which intersectoral migration will cease while there are credible reasons for a permanent difference to exist between sectoral incomes the authors find no empirical evidence of a permanent wedge

quality oriented technical change in japanese wheat breeding abstract the article presents a productivity analysis of japanese wheat breeding research we first estimate a hedonic function to determine the marginal implicit values of japanese wheat characteristics and find that protein contributes substantially to millers price offers to farmers induced innovation theory implies breeders thus should be responding to new protein oriented price policies by developing high protein wheat varieties we test this hypothesis by estimating a distance function relating breeding resources including what we call gene recharge rates to the yield and protein characteristics of discovered varieties new varieties indeed have been protein favoring and yield disfavoring suggesting government research programs have been market oriented

economic underdevelopment the case of a missing market for human capital abstract this paper demonstrates that the coexistence of developed and underdeveloped countries can be a stationary equilibrium in a world economy with free trade in consumption goods and physical capital an underdeveloped country is characterized by a high ratio of unskilled workers in the labor force a small stock of physical capital a low gross national product a high rate of return on human capital and a corresponding large wage differential between skilled and unskilled workers the critical assumptions are that future labor earnings cannot serve as collateral on a loan and indivisibilities in education

public expenditure and national income causality further evidence on the role of omitted variables whether changes in public expenditure growth help predict changes in national income growth and or vice versa remains an important issue of sustained interest in the empirical public finance literature in recent years attention has mainly been confined to two specific areas namely estimation of the impact of the public sector on output growth by means of regression analysis and causality testing unfortunately the outcome of both types of analysis has been inconclusive focussing on the impact studies we note that a number of empirical investigations have attempted to measure the effect of the size of the public sector on overall economic growth for instance ram 19 utilizing a two sector model found that growth of government size has a positive effect on economic growth landau 14 15 however presented opposite evidence indicating that the government sector expansion led to a decline in output growth for many dcs and ldcs since 1960 in a recent study barth keleher and russek 4 estimated variants of ram s models with data for 30 countries their empirical results largely support a negative relationship between the scale of government and aggregate economic activity furthermore using the hausman procedure they rejected the hypothesis that the independent variables namely real government spending or other measures of the scale of the government depending on the specification in the regression equations are exogenous this strongly suggests that the conclusions reached by

relative prices and money a vector autoregression on brazilian data recent data on brazilian agricultural prices industrial prices and money supply are analyzed in a vector autoregression the empirical findings show strong one way granger type causality from money supply to agricultural prices while feedback is observed between industrial prices and money supply under the usual monetarist ordering of contemporaneous innovation covariance agricultural prices do not adjust faster than industrial prices to a shock in the money supply

cointegration and wagner s hypothesis time series evidence for canada it is argued that wagner s hypothesis is essentially a proposition about the secular comovement of income growth and public spending using the engle and granger cointegration tests and time series data from canada the long run validity of wagner s hypothesis is maintained

economic growth and the expanding public sector a reexamination utilizing a granger causality approach the authors test whether there has been a causal rela tion between public sector growth and real economic growth rates for the oecd countries special emphasis is laid on feedback effects from economic growth to government growth that result from macroeconomic policy the authors find that government growth has had mixed effects on economic growth rates positive for some countries and negative f or others however for the majority of the oecd countries there was no discernable impact of government growth on the rate of real econo mic growth copyright 1988 by mit press

new evidence from the misery index in the crime function abstract we propose a parsimony model which is clear from multicollinearity and specification problems in the standard crime function this study examines the relationship between the misery index and the crime rate in the unites states from 1960 to 2005

keynes versus wagner public expenditure and national income for three african countries the public expenditure income hypothesis has long been debated in economics following keynes public expenditure is seen as an exogenous factor to be used as a policy instrument to influence growth on the other hand wagner argues that expenditure is an endogenous factor or an outcome not a cause of growth in national income the purpose of this paper is to apply both the granger and holmes hutton statistical procedures to test the income expenditure hypothesis for three african countries ghana kenya and south africa we find that the hypothesis of public expenditure causing national income is not supported by the data for these african countries

information the dual economy and development we examine the interactions between different institutional arrangements in a general equilibrium model of a modernizing economy there is a modern sector where productivity is high but information asymmetries are large and a traditional sector where productivity is low but information asymmetries are small consequently agency costs in the modern sector make consumption lending difficult while such lending is readily done in the traditional sector the resulting trade off between credit availability and productivity implies that not everyone will move to the modern sector in fact the laissez faire level of modernization may fail to maximize net social surplus this situation may also hold in the long run in a dynamic version of the model a trickle down effect links the process of modernization with reduction in modern sector agency costs this effect may be too weak and the economy may get stuck in a trap and never fully modernize the two sector structure also yields a natural theoretical testing ground for the kuznets inverted u hypothesis we show that even within the sectoral shifting class of models this phenomenon is not robust to small changes in model specification

was it the economy or reform that precipitated the steep decline in the us welfare caseload objectives of the 1996 overhaul of the us welfare system included reducing dependency raising employment and de incentivizing out of wedlock fertility using public use state level panel data from 1990 to 2005 i analyse how state implementation of welfare reform simultaneously affects the caseload employment and out of wedlock births henceforth temporary assistance for needy families tanf objectives because endogeneity and simultaneity could not be rejected i use three stage least squares 3sls method results indicated that most of the steep decline in the caseload is attributed to welfare reform while the economy s overall effect paled in comparison however lagged and contemporaneous unemployment individually ranked second and third behind the hispanic share of state population the conservative tilt over the period studied ranked forth followed in declining order by full family sanctions earned income tax credit eitc payments time limits lagged by length access to abortion clinics

are kenyan farmers under utilizing fertilizer implications for input intensification strategies and research abstract it is widely perceived that african farmers are under utilizing inorganic fertilizer however very little long term evidence from farmers fields accounting for variations in agro ecological conditions has been assembled to back this claim or determine the conditions under which it is true using five waves of nationwide household survey data from kenya covering 13 years we estimate the relative and absolute profitability of nitrogen application rates on maize fields and compare these profitability conditions to observed nitrogen use patterns over time in general we find that farmers are consistently and steadily increasing towards risk adjusted economically optimal rates of fertilizer application over time and that in the most agriculturally productive areas farmers application rates on maize sometimes exceed rates that maximize profitability fertilizer use rates may nevertheless be profitably raised in these areas but doing so will require the adoption of complementary inputs and management practices that raise maize response rates to fertilizer application this motivates a more holistic approach to input intensification strategies in the region

informality in the process of development and growth informality is a term used to describe the collection of firms workers and activities that operate outside the legal and regulatory systems it is widespread in the majority of developing countries in a typical developing economy the informal sector produces about 35 per cent of gdp and employs 70 per cent of the labour force this paper studies informality in the context of economic development by presenting a model and projections that link informality regulations migration and economic growth this analytical framework highlights the trade offs between formality and informality the relationship between the different types of informality and the connection between them and the forces of labour capital and productivity growth the paper models the behaviour of the informal sector based on the following fundamental asymmetry formal firms confront higher labour costs while informal firms face higher capital costs and lower productivity using mandated minimum wages as the policy induced distortion the model first studies the static allocation of formal and informal capital and labour in a modern economy second it opens the possibility of labour migration from a rudimentary economy with ample supply of labour e g rural areas or less advanced neighbouring countries third the model analyses the dynamic behaviour of the formal and informal sectors considering how they affect and are affected by economic growth and labour migration then the paper presents projections for the size of labour informality in the modern and rudimentary economies in the next two decades for a large group of countries representing all regions of the world the projections are based on the calibration and simulation of the model and serve to discuss its usefulness and limitations

modelling money price and output in india a vector autoregressive and moving average varma approach the present study has two purposes first the study examines the most substantive and debatable question is there any long run relationship among money price and output it has been found by applying different tests of cointegration that there is no long run relationship among these three variables in cointegration sense second having ascertained that the variables under study are not cointegrated an attempt is made to explore the short run relationship among money price and output exploiting the characteristics of the vector autoregressive and moving average varma model sub set concept has been used to identify the best fitted varma model the paper concludes the following i both money and price affect each other and there exists bi directional causality ii output affects price and there is also feedback between price and output and iii money unidirectionally affects output various consequences of cointegration on parameter estimates of pure var varma in difference have been discussed

a casual varma model analysis with an application to canadian money and income data 1988 a casual varma model analysis with an application to canadian money and income data applied economics vol 20 no 9 pp 1167 1183

heterogeneity stratification and growth macroeconomic implications of community structure and school finance this paper examines how socioeconomic stratification and alternative systems of education finance affect inequality and growth agents interact through local public goods or externalities school funding neighborhood effects and economywide linkages complementary skills knowledge spillovers sorting families into homogeneous communities often minimizes the costs of existing heterogeneity but mixing reduces heterogeneity faster integration therefore tends to slow down growth in the short run yet raise it in the long run a move to state funding of education presents society with a similar intertemporal trade off local and global complementarities play major roles in determining the efficient social and educational structures copyright 1996 by american economic association

are causal relationships sensitive to causality tests 1987 are causal relationships sensitive to causality tests applied economics vol 19 no 4 pp 459 465

public expenditure and economic growth in the gulf cooperation council countries this article uses a dynamic model calibrated to the gulf cooperation council gcc countries data to examine the nature of the relationship between government expenditure and economic growth the article finds that national income is a predictive factor of the expanding role of government as postulated by wagner empirical investigations do not support the hypothesis of public expenditure causing national income as proposed by the keynesian theory