meta paradigm change and the theory of the firm many seemingly unrelated debates on the theory of the firm are in fact part of a single deeper transformation of the social sciences as the foundational assumptions of 20th century social science have slowly been shown by science to be false new sub paradigms have emerged which cumulatively drop i theoretical assumptions about markets to explain firms ii epistemological assumptions about knowledge to explain diversity and iii metaphysical assumptions about causality to explain technical change debates occur across each of these levels

assessing the regional economic impacts of renewable energy sources a literature review abstract the transition of the global energy system is one of the main trends that offers opportunities as well as challenges for the economy most literature evaluates the impact of that transition at a national level that view is broadened towards a regional scale due to the lower energy density of many renewable energy sources renewable energy generation will be more decentralised leading to potentially significant changes in the regional economy when transitioning to a renewable energy system in this paper the current literature and methods of assessing regional economic impacts of a transition to renewable energy generation is reviewed the findings suggest an overall need to clearly define the topics such as technologies that are assessed and the evaluated time period a guideline for a regional impact assessment is provided focusing on the suitability of applied impact assessment methods employment ratios supply chain analyses input output models and computable general equilibrium models

earnings effects of labor organizations in 1890 analyzing data from extensive surveys of u s nonfarm families in 1889 90 predominantly families from eastern states the authors of this paper show that workers affiliated with labor organizations had earnings that were 22 percent higher than the earnings of other workers an effect comparable in magnitude to estimates for modern unions wage differentials varied considerably across the eight industries studied and across skill levels within each industry

sargent versus simon bounded rationality unbound t j sargent called his latest venture bounded rationality in macroeconomics and tried to make connections with h a simon s program of bounded rationality and artificial intelligence the irony is that rational expectations theory born from the same mother carnegie mellon university as bounded rationality after trying to kill her big sister then apparently came around to embracing her in the person of sargent but was simon s interpretation of bounded rationality the same as sargent s did simon and sargent mean the same by artificial intelligence not quite the different interests of sargent and simon resulted in vastly different interpretations of bounded rationality and artificial intelligence copyright 1997 by oxford university press

economic impacts of biofuels deployment in andalusia this paper aims to estimate the economic impacts of increasing the production capacity of the installed biofuel plants in andalusia southern spain a computable general equilibrium cge approach is used to calculate the changes in the economic sectors activity in employment as well as in gdp and other macroeconomic variables relevant to biofuel plants in andalusia under two distinct scenarios i based on an operating biodiesel plant with 90 ktoe year of installed capacity ii upgrading to 2174 ktoe by 2013 in compliance with the regional plan andaluz de sostenibilidad energetica pasener 2007 2013 results show that compliance with the pasener goal would increase the activity level of the economic sectors considered by 3 04 the total induced employment generated would reach 167 975 equivalent full time jobs lasting one year and the gdp would increase by 9 82

do unionized firms hire better workers i introduction many economists firmly believe that union firms offset higher union wages by hiring better workers the contrasting view that union employers react to higher union wages by hiring poorer quality workers is regarded as impossible 1 yet this contrasting view is highly plausible in the context of standard economic modeling and with what is known about labor markets there is evidence supporting this view the standard story for unionized firms hiring better workers goes like this a union raises wages and the firm foils the union by hiring better quality workers the problem with this myopic story is that it ignores what happens in the future it assumes that unions will sit idly by and let union firms whittle away any union wage differential by hiring better quality workers i would argue that it is more likely that unions would respond to better quality workers by raising wages even more employers anticipating this may respond by hiring lower quality workers this article is the first to consider how unionized firms choose worker quality when they anticipate the future consequences of quality on wages under reasonable conditions these consequences cause employers to hire lower quality workers while i do not contend this always occurs i do argue that there are reasonable grounds for rejecting the better quality proposition in addition there is evidence that unionization often does result in lower quality workers the results presented here suggest that economists should look again at how unions affect wages productivity equality and society this is not the first paper to suggest unions lead to lower quality workers it is however the first to suggest this result is due to employers making profit maximizing decisions when they anticipate the future consequences of their actions there are two other articles that also suggest unions can lead to lower quality workers first robinson 1989 assumes that unionized employers do want higher quality workers but do not hire them because nonunion firms pay them more as the nonunion firms are assumed to have better monitoring technology and a more flexible reward system second bronars and lott 1989 show that unions that seek the maximum dues will want poorer quality workers while these models focus on factors that may prove to be important the model presented here is theoretically more forceful first it is based upon standard economic modeling second using ochkam s razor it assumes the least added factors and finally its central assumption that people anticipate the future has a large body of economic evidence behind it by demonstrating that the better quality proposition is not supported by conventional economic analysis this article shows the better quality proposition should not be given a greater weight in the priors of economists having done this these other models then should and hopefully will be examined more closely ii the case for unions leading to better quality workers in discussing the wage gap between union and nonunion workers h gregg lewis 1986 46 concisely presents the case that union firms select better workers i have strong priors on the direction of the selectivity bias let a union through collective bargaining impose on an employer higher wages for his workers than he otherwise would pay them with worker quality not tightly specified in the collective bargaining agreement the higher wages will lengthen the queue of the applicants for the unionized jobs including some applicants of greater productiveness than otherwise would have applied the employer has an incentive to evade the increase in his labor costs by employing workers of greater quality the evasion will take time and will be impeded by the cost of screening workers imperfect substitution in production among worker quality and employment constraints in the collective bargaining agreements

a switching regression model for wage determinants in the public and private sectors of a developing country governments in less developed countries face severe budgetary constraints given that public sector employment is a large part of modern sector employment the government wage bill h as come under increased scrutiny the central question is how do gove rnment wages compare with those in the private sector in this paper the authors develop and estimate a model to answer this question an important aspect of this model is the endogenous treatment of sector choice the estimation results full information maximum likelihood sound a strong warning against the use of ordinary least squares est imates that are based on sector specific samples data are from the i vory coast copyright 1988 by mit press

effects of labor legislation and industry characteristics on union coverage in canada the authors investigate the determinants of union coverage using 1986 cross section data on canadian workers larger firm size larger establishment size and higher injury rates increase the probability of union coverage industry concentration import penetration and the substitutability of labor do not affect coverage through their impact on the union nonunion wage differential but concentration increases the probability of coverage through a mechanism unrelated to the wage differential mandatory checkoff provisions increase the probability of coverage but the estimated effect is barely significant restrictions on replacement workers and interprovincial differences in automatic certification provisions have statistically insignificant effects finally the results are sensitive to treating some industry characteristics as endogenous that is jointly determined with union coverage and union and nonunion wages a treatment not used in other studies

public private sector wage differentials in canada evidence from quantile regressions abstract quantile regressions are used to estimate the size of the public sector wage premium in canada we find that public sector rent payments tend to be highest for federal government employees females and individuals at the lower tail of the wage distribution

the union membership wage premium for employees covered by collective bargaining agreements using current population survey data for 1983 93 this article analyzes whether there is a union membership wage premium among full time private sector employees covered by union contracts ordinary least squares estimates of the membership wage premium are 12 14 and allowing membership to be endogenous yields larger estimates differences in job tenure unobservable characteristics and measurement error cannot fully explain the estimated premium significant differences in this premium as well as in membership rates conditional upon coverage across various demographic subgroups are also documented in general free riders do not appear to be free riding

the challenges of determining the employment effects of renewable energy abstract the benefits of promoting renewable energy are regularly claimed to be energy security climate change mitigation and job creation while the first two benefits are generally accepted the impact of renewable energy on employment is still disputed this paper presents a discussion of the various factors that influence the analysis of renewable energy and its impact on employment the advantages and disadvantages of input output methods and analysis methods are discussed as well as the issues surrounding the measurement of job creation a critical evaluation of the literature reveals factors that should be considered when completing a study about renewable energy and employment labour intensity of renewables cost increases and availability of investments counting job losses job quality and skills model assumptions and sources of information analytical studies using extensive surveys were found to be more appropriate for regional studies while input output methods were better suited to national and international studies

collective bargaining interest arbitration and police salaries previous research and conventional wisdom suggest that the practice of collective bargaining the availability of interest arbitration and the use of arbitration when available all have a positive

innovation diffusion public policy and local initiative the case of wood fuelled district heating systems in austria abstract this paper comprises a three level study on wood fuel utilisation for district heating in austria first we discuss the framework conditions for the diffusion in austria of rural biomass district heating bdh plants an energy conversion plant type which constituted a real innovation in the 1980s second we describe the diffusion of bdh systems in the austrian province of vorarlberg where a variety of biomass energy systems have been promoted by capital grants since 1993 as part of a dedicated bioenergy promotion programme third the paper contains a case study of a 2 mw bdh plant put into operation in 2000 in rankweil a small market town located in vorarlberg on the east side of the rhine valley analysis of the plant history reveals that an oversupply of forest residues caused by devastating storms and forest diseases together with the more general need to rejuvenate severely over aged forest stands created strong incentives to form local actor networks and initiatives to push for the adoption and diffusion of centralised biomass heating systems in rural areas in addition intensive lobbying and strong political and public support were necessary to successfully combat interventions by both the natural gas industry and influential gas supplied industrial enterprises finally a capital grant of 45 of eligible investment costs as well as careful capacity expansion and other planning significantly improved and safeguarded the economic viability of the plant these considerations combined with a dedicated forest restructuring programme render the plant one of the most successful integrated forestry and bdh projects in vorarlberg and an important model for later adopters overall the analysis sheds some light on the role of public policy local actors and economic and other framework conditions on the market diffusion dynamics of bdh in austria

a theory of quits and layoffs with efficient turnover this paper answers the efficient turnover literature s long silence regarding the quit layoff distinction treating quits as worker initiated separations and layoffs as firm initiated separations i establish that the existence of layoffs is compatible with optimizing workers and firms forming and dissolving employment matches to exploit all the gains from trade the efficient turnover approach is shown to be consistent with many empirical regularities that distinguish quits from layoffs structural implications of the model are tested on data from the psid

public sector unions and municipal employment using 1980 data for a large sample of u s cities the author reexamines recent empirical findings of a positive association between public sector unionization and municipal employment several researchers have interpreted this correlation as evidence that public employee unions successfully exert political pressure to raise the demand for municipal services structural estimates of labor demand and the determinants of police and fire unionization reveal however that economies of scale in union formation are at least partly responsible for any positive association between public sector unionization and municipal employment the author concludes that previous studies overstate the amount of political clout wielded by municipal labor unions

union wage differentials in the public and private sectors a simultaneous equations specification the paper attempts to integrate new approaches to estimating union wage effects with the analysis of public private sector wage differentials estimates of the union differential in both public and private sectors allowing for the endogeneity of union status are presented the hypothesis that the recently measured rents to public sector employment primarily reflect the recent increase in unionization in that sector is examined and receives considerable empirical support there was evidence of positive selection into the union sector especially for private sector workers union status appears to be strongly influenced by the expected wage gain from joining the union sector

economic and co2 mitigation impacts of promoting biomass heating systems an input output study for vorarlberg austria this paper reports on an empirical investigation about the economic and co2 mitigation impacts of bioenergy promotion in the austrian federal province of vorarlberg we study domestic value added employment and fiscal effects by means of a static input output analysis the bioenergy systems analysed comprise biomass district heating pellet heating and automated wood chip heating systems as well as logwood stoves and boilers ceramic stoves and buffer storage systems the results indicate that gross economic effects are significant regarding both investment and operation of the systems and that the negative economic effects caused by the displacement of conventional decentralised heating systems might be in the order of 20 40 finally co2 mitigation effects are substantial contributing already in 2004 around 35 of the 2010 co2 mitigation target of the land vorarlberg for all renewable energy sources

union incidence in the public and private sectors union density in the public sector is approximately twice the level of that in the private sector in both canada and the united states canadian data are particularly useful for analysing differences between the public and private sectors because of several industries that have a substantial overlap of ownership between sectors sectors therefore may be compared while holding the industry constant evidence is presented suggesting that union cost factors as related to the size of the plants are important in explaining the high density in the public sector employee characteristics appear to play no role the connection between wage differentials and public sector unionism is also addressed

compensating differentials for shift work a model analyzing the choice of shift is developed and estimated using data from two supplements to the current population survey the findings show a positive wage premium for shift work that varies with personal characteristics and there is strong evidence showing the importance of self selection as workers with low potential daytime earnings are more likely to choose night work and supplement their earnings the findings demonstrate that cross section estimates of wage premiums for union membership and firm size are biased upward because they pick up some of the compensating differential for shift work

the endogeneity of union status an empirical test an unsettled issue in the literature relating to the relative wage effect of unions is the appropriate treatment of union status in a wage determination model in the context of a three equation model determining union membership and union and nonunion sector wage rates this paper presents an instrumental variables iv procedure for estimating the parameters of the wage equations and a test of the exogeneity of union status using the hausman specification test an advantage of our iv procedure in comparison to the widely used inverse mill s ratio procedure is that our procedure is a distribution free estimator whereas the inverse mill s ratio estimator hinges in the assumption that the error term of the choice equation is normally distributed using data for a sample of middle aged white workers we estimate the parameters of the union and nonunion wage equations with both procedures on the key question of the endogeneity of union status the hausman test decisively rejects the null hypothesis of exo

a switching regression model of public private sector wage differentials in peru 1985 86 this article examines the combined impact of the employment guarantee for graduates and public sector compensation policies on the egyptian labor market besides contributing to an unsustainable rate of growth in the government labor force these

woody biomass processing potential economic impacts on rural regions abstract this paper estimates the economic and environmental impacts of introducing woody biomass processing wbp into a rural area in central appalachia wbp is among the most promising additions to energy generation portfolios for reducing import dependency while at the same time providing economic opportunity to stimulate regional economies especially in rural regions where economic development options are often limited we use an input output framework to assess wbp under three different pathways fast pyrolysis ethanol and coal biomass to liquids we find that the proposed wbp will increase regional output by 0 5 1 3 of gross regional product it will increase income by 17 32 to 51 31 million dollars each year and regional employment by 218 1 1127 8 jobs depending on the chosen pathway of these impacts the direct portions are 63 77 of the total impact depending on the chosen pathway the economic analysis and the results from the accompanying environmental assessment show that only the ethanol pathway has both economic and environmental benefits we conclude that because long run economic development strategies in rural regions are limited and negative impacts do not alter dramatically the regional environmental profile regional policymakers should include wbp among their development portfolio options

canadian union nonunion wage differentials using extensive canadian longitudinal data from the years 1969 71 the authors estimate union nonunion wage differentials of 12 14 percent for 1969 and 13 16 percent for 1970 these estimates are not adjusted for selectivity because three different tests to identify selectivity yield no evidence of selectivity bias the authors argue that although testing for selectivity is often essential selectivity adjustments have resulted in greatly inflated estimates of union nonunion wage differentials in some studies and should therefore be used with caution

the definition of part time employment a switching regression model with unknown sample selection rejecting the standard less than thirty five hours per week categorization of part time workers this paper offers an empirically justified definition of the part time employed the definition is based on the distinction through wage payments that employers make between a high hours full time and a low hours part time group of workers a switching regression model of wage equations with deterministic but unknown sample selection is estimated resulting in a significant split between high hours and low hours workers that is higher than the standard definition wage differentials are calculated and decomposed and estimates from the structural choice model are presented copyright 1991 by economics department of the university of pennsylvania and the osaka university institute of social and economic research association

government wage differentials a sample selection approach this paper uses the econometrics of sample selection to estimate the net wage differential between workers in the public and private sectors of the united states the results indicate workers self select by systematically locating in the sector which offers them the higher expected wage as a consequence previous research based on the assumption of random allocation between sectors is subject to serious specification bias the present estimation indicates government workers are slightly underpaid taking into account their observed characteristics and the selection process

unions industrial concentration and wages a re examination market structure or industrial concentration has long been recognized as an important influence on industrial output employment and profits it has also been recognized that some proportion of the profits from concentration may be diverted into wages through collective bargaining yet the precise nature of these relationships has received little attention although it has important implications for the evaluation of wage structure and the welfare loss arising from monopoly empirical studies of the impact of unions and industrial concentration on wages weiss 1966 jones and laudadio 1975 dalton and ford 1977 long and link 1983 follow a similar format after a brief verbal justification for the ability of unions to win higher wage increases when the employer is earning oligopoly profits these studies specify a wage equation of the general form

regional economic impacts of biomass based energy service use a comparison across crops and technologies for east styria austria abstract biomass action plans in many european countries seek to expand biomass heat and fuel supply mainly to be supplied by peripheral agricultural regions we develop a two plus ten region energy focused computable general equilibrium cge model that acknowledges land competition in analysing the sub state local regional economic implications of such a strategy embedded within a global context our model is based on a full cost analysis of selected biomass technologies covering a range of agricultural and forestry crops as well as thermal insulation the local regional macroeconomic effects differ significantly across technologies and are governed by factors such as net labour intensity in crop production the high land intensity of agricultural biomass products crowds out conventional agriculture and thus lowers employment and drives up land prices and the consumer price index the regional economic results show that net employment effects are positive for all forestry based biomass energy and also show for which agriculture based biomass systems this is true even when accounting for land competition when regional consumer price development governs regional wages or when the agricultural sector is in strong enough competition to the international market positive employment and welfare impacts vanish fully for agriculture based bio energy

an analysis of public and private sector wages allowing for endogenous choices of both government and union status a general selection model is estimated in which workers select across four labor markets private nonunion private union public nonunion and public union evidence is found of positive selection bias in the private nonunion sector and of negative selection bias in the public union sector union wage differentials in the public and private sectors as well as public private wage differentials are then calculated two different types of wage differentials are contrasted we discuss when it is appropriate to use each type of differential

modelling cognitively bounded rationality an evaluative taxonomy abstract since its origins in the 1950s the notion of bounded rationality has been incorporated into economic theory using an array of methodological approaches this paper presents a taxonomy by which these approaches can be categorized and understood evaluating each approach against a range of important criteria at a time when the foundations of economic theory are being re examined this paper should be viewed as a first step towards an assessment of the appropriate role that this more realistic view of cognition should take in different areas of economic theory and also of the desirable characteristics of models that incorporate it

public private wage differentials in haiti do public servants earn a rent abstract this study uses a newly collected data set on haiti where data are very limited to assess how individuals are selected into the public vs private sectors and to estimate public private sector wage differentials the central question is whether or not public servants are earning a rent the estimation procedure is an extension of heckman s 1979 sample selection technique to the case where two selection rules generate the sample the procedure first estimates by bivariate probit analysis the probability of employment in the public or private sector and then for those in the public sector the probability of employment in the state owned enterprises soes vs public administration wage functions are then estimated for all three sectors using the inverse mills ratios from reduced form probits selectivity bias is found to exist in one sector soes correction for this bias in the wage equations lowers the wage differentials between the soe and the private sector and the soe and public administration as is clearly demonstrated by the oaxaca decomposition of these estimated mean differentials nevertheless the corrected findings still indicate that the public sector especially the soes earn a sizable rent

public policies pressure groups and dead weight costs abstract this paper presents a model of competition among special interest groups for political influence each active group exerts pressure to affect its taxes and subsidies where activities of different groups are related by the equality between total tax collections and total tax subsidies the dead weight costs and benefits of taxes and subsidies play a major role in our model an increase in the dead weight cost of taxation encourages pressure by taxpayers while an increase in the dead weight costs of subsidies discourages pressure by recipients various applications of the analysis are discussed