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BOOK VIII - Page 17
 
  HERBERT SIMON, PAUL THAGARD AND OTHERS ON
DISCOVERY SYSTEMS
 
 

 

          The data are drawn from the U.S. Commerce Department's Historical Statistics of the United States (1976) and annual issues of Statistical Abstract of the United States.  The historical time series are from 1920 through 1972.  Firstly the data are either aggregated into four-year periods before per capita rates are calculated or are four-year averages of per capita rates calculated by the source.  Then these four-year per capita rates are transformed into period-to-period change rates to enhance sensitivity of the equations and eliminate collinearity, and then the change ratios are transformed into index numbers having the last historical period, which is the first out-of-sample forecast period, as the base period. The quantitative theory is a functionalist theory not only in the sense that it is expressed in mathematical functions, but also in Merton's sense of functionalism, because it describes the interdependence of the types of institutional groups and the consequences of their interaction for the macrosociety as a whole as represented by the whole system of equations.  The mathematical model is a recursive, first-degree, higher-order difference equation system.
           This mathematically expressed macrosociological theory is used to examine social change in the U.S. national macrosociety with both static and dynamic analyses.  Consider firstly the functionalist static analysis.  The objective of a static analysis is to determine whether or not there is a stable equilibrium, that is, a solution in which the numeric value of each variable is the same for an indefinite number of successive time periods through which the model may be iterated.  Since the numeric values are change rates of per capita rates, the mathematical equilibrium solution is one of constant change rates of the per capita rates for all of the variables.  However these constant change rates may be positive, zero, or negative, and this is not necessarily a macrosocial equilibrium.            The classical-functionalist-consensus equilibrium extended to the scope of the macrosociety is represented by constant per capita rates for all the institutional variables, and these per capita rates must be high if not actually near their maximum values to represent a high degree of consensus and macrosocial integration.  Since constancy of such high per capita rates implies zero growth of the change rates, nonexistence of an equilibrium solution consisting of zero change rates implies the nonexistence of a classical consensus stable equilibrium.  As it happens, examination of the equilibrium solution of the model reveals that a mathematically consistent zero-growth solution for all the institutional variables does not exist, and therefore reveals that consensus equilibrium is not possible.  In classical functionalist terms this means that the interinstitutional system of cultural value orientations of the American national society is inconsistent or "malintegrated.”
          Consider next the dynamic analyses, which consist of iterating the model to examine its response properties.  The findings from three simulation experiments were described in the paper.  In the first experiment the model is iterated with all its exogenous variables zero growth of their per capita rates.  The iteration propagates a time path, which oscillates with increasing amplitude generates an intergenerational twenty-eight-year cycle.  Examination of the structure of the model reveals that the equations determining the change rates of the per capita birth and marriage rates are interacting to create the cycle, and therefore that the cycle reflects changes in the national demographic profile, i.e. the age composition of the population.  The explosive instability, however, is due to the constancy of the per capita real aggregate income variable occurring in the marriage rate equation, which represents fewer marriages in the Great Depression.  The exogenous status of the economic sector means that there can be neither a dampening feedback on per capita real income from the exploding birth rates, nor any effect from productivity improvements resulting from technology improvements represented by the patents for inventions.  Hickey maintains that any macrosociological model should be integrated into a model of economic growth, just as the contemporary Institutionalist economist will maintain that conventional neoclassical econometric models of economic growth should be integrated into a macrosociological model of institutional change.
          In the second experiment and in all succeeding experiments this demographic cycle is eliminated by removing the birth rate equation from the model and by making the birth rate exogenously determined with an assigned constant zero-growth rate.  When the model thus modified is iterated, it generates a damped oscillating path which is also intergenerational, and which converges into a stable equilibrium of constant growth rates for all its endogenous variables including the institutional variables.  The negative feed back producing the dampening effect involves an interaction between the equations determining the homicide rate and the high school graduation rate.  A sustained decline in voluntary compliance with the minimum conditions for social order as codified into criminal law, i.e. an increase in the homicide rate, occasions in due course a corrective reaction that involves the socializing function of the educational institution.
          However, the resulting growth equilibrium does not necessarily result in a movement toward consensus for all the types of institutional groups.  Additional simulations reveal that only when the growth of the exogenous real per capita income is made to occur at a rate of no less than four and one-half percent compounded annually, does the equilibrium solution result in positive growth rates for all of the institutional variables excluding the divorce rate.  This is the minimum annual rate of per capita real economic growth required for the dampening negative feed back to stabilize the national macrosociety in an equilibrium growth toward macrosocial consensus integration.  It is also the minimum annual growth rate for a full-employment economy.  But the static analysis revealed that this state of affairs can only be temporary, since the cultural value system is malintegrated.  Furthermore, historically a four and one-half percent annual growth rate for real per capita income has not been sustainable by the U.S. macroeconomy, because it typically results in destabilizing inflation rates.
          The third experiment consists of shock simulations in which the model is given an unrealistically large one-period increase after it is iterated sufficiently to settle into its equilibrium growth path.  The limits imposed in reality by the per capita rates are disregarded in the simulations, to exhibit the dynamic properties of the model.  In each simulation the shock consists of a permanent doubling of the per capita rate for one selected noninstitutional variable.  In all but one case the shock propagates a damped oscillating path that settles back into a stable equilibrium solution.  The exceptional case is the per capita urban residence rate, and the outcome of the shock is a nonoscillating explosive destabilization of the macrosociety.  In this latter case the equations for both the birth rate and the urban residence rate have been removed from the model, such that the population growth cannot be accommodated by internal migration, and the macrosociety is disturbed beyond the stabilizing capacity of its interinstitutional integrative mechanisms.
          In summary there are four findings from both the static and dynamic analyses.  Firstly the interinstitutional cultural value system of the American national macrosociety is malintegrated, such that Parsonian macrosocial consensus equilibrium is not possible.  Secondly if demographic cycles are exogenously determined, the national society exhibits a nonsustainable tendency to macrosocial consensus when per capita real income grows at a minimum rate of four and one-half percent compounded annually.  Thirdly this tendency to consensus equilibrium at this economic growth rate stabilizes in growth equilibrium, because the interinstitutional cultural value system contains relationships that create intergenerational negative feed back integrative mechanisms, which involve a corrective reaction to criminal social disorder and operates through the socializing functions of the educational institution.  Finally internal migration, an ecological adjustment to population growth, is necessary for the institutional integrative mechanisms to be effective.  Such is a summary of Hickey's findings.
          A few years later Hickey developed a larger model based on the above described macrosociometric model, which integrated the sociological and macroeconomic sectors of the nation into one model.  Hickey’s description of the model and findings from it were published with the title "The Indiana Economic Growth Model" in the periodical Perspectives on the Indiana Economy (March, 1985) published by the Indiana Department of Commerce.  The model contained over one hundred equations and was instrumental to the economic development planning by the government of the state of Indiana during the eight years of the administration of Governor Robert Orr.

A Pragmatist Critique of Academic Sociology’s Weltanschauung

          This section consists of Hickey's criticism of the referee reviews and consequent decisions by the editors of four sociological journals to reject the paper. Contrary to these editors Hickey regards his paper as worthy of publication.  His reports of the sociologists' attempts at scientific criticism are based on the correspondences from the editors, which Hickey has retained.  This sample of seven referee criticisms from three academic sociology journals is not a random sample.  It is a selected sample made by the journal editors, who presumably chose the critics they deemed best for the topic of the paper.  And it is consistently representative of academic sociology's institutionalized values and German Romantic Weltanschauung.   In this respect it is noteworthy that virtually none of these referee criticisms of Hickey's paper are empirical, but rather are attempted criticisms in philosophy of science.  Hickey's basic rejoinders set forth herein are firstly that sociologists are technically inadequate to the Hickey’s mathematical modeling, secondly that they are ignorant of the contemporary Pragmatist philosophy of science, and thirdly that they reveal obstructionism.
          Consider the sociologists’ technical inadequacies. Before constructing his national macrosociological theory with his METAMODEL discovery system, Hickey undertook an extensive search of the academic sociological literature to determine what factors should govern his selection of the manifestly sociologically relevant time series data as inputs to the discovery system.  He also wanted to find some example of the writing style used in sociology for reporting findings from such modeling analyses.  In his literature search he could find no precedent for his dynamic macrosociometric model.  Empirical work in sociology consists exclusively of survey research using written questionnaires and/or oral interviews.  And the purpose of the surveys is to examine social-psychological hypotheses.  Furthermore the survey research findings are summarized in tables, but are not analyzed with any statistically estimated models.  One consequence of this condition is that any sociologist selected by an editor to be a critic could not reference any previously published equation that is empirically superior to any equations explaining the time series data used by Hickey. 
          A second consequence of the unprecedented character of Hickey's macrosociometric model is that it reveals that academic sociologists are not educationally prepared to work with higher-order difference equation systems, such as those constituting Hickey's model.  Hickey's professional education is in economics, and since the publication in 1939 of "Interactions between the Multiplier Analysis and the Principles of Acceleration" in Review of Economics and Statistics by Nobel laureate economist Paul Samuelson, such difference equations have become a staple technique in mathematical economics and econometrics.  And Hickey’s use of the technique of shock simulations was introduced into economics in 1933 by the University of Oslo, Norway, economist Ragnar Frisch in his  "Propagation Problems and Impulse Problems in Dynamic Economics" in Economic Essays in Honor of Gustav Cassel.  Ironically Hickey’s macrosociometric model is not a simultaneous-equation model, and any reasonably bright high school student could replicate Hickey’s findings using Hickey’s model with index numbers having any arbitrary but uniform base year and by iterating the model in a computer spreadsheet program.  And any undergraduate who was sufficiently motivated to search back issues of the U.S. Statistical Abstract in a public library or a college library, could replicate the estimation of Hickey’s model in a computer spread sheet’s multiple regression routine.  But these techniques are not taught in the curriculum of the Ph.D. sociologists. Thus the referees were suspicious and dismayed by the findings drawn from the simulation and shock analyses in Hickey’s paper.  The outcome was that the sociologists deemed by the editors to be sufficiently reputable as to be worthy to function as referees for his journal, showed themselves to be incompetent in the formal techniques in Hickey's paper.  And it may be added that the editors who rejected Hickey’s paper gave no evidence that they are any less technically ignorant.  Hickey comments that it may be human to reject what one does not understand, but it is not professional.
          Consider next the sociologists’ philosophical inadequacies.  When people do not know what to do, they do what they know, whatever it may be; and what the critics of Hickey's paper know is a reductionist social-psychological Romanticism, which even today still requires verstehen criticism.  The referees selected by the editors to whom Hickey sent his paper did not announce explicitly that they practice verstehen verification.  But just as critics of papers in mature sciences do not announce that they practice empirical criticism, so too sociologists simply go about practicing criticism unreflectively according to the institutionalized value standards that they had learned in their educational experience and that are approved by their colleagues.  These editor-selected sociologists used language that makes apparent their verstehen practice by the rhetoric and vocabulary in the stated reasons they set forth as criticisms.  They criticized Hickey's equations because they do not "make sense", because they are "counterintuitive", "meaningless", "bizarre", "surprising", etc. thereby making apparent their practice of verstehen criticism. 
          Sociologists may use the verstehen for a priori criticism either before or after testing.  It operates before testing when it controls discovery.  The sociologist empathetically formulates on the basis of his own personal reality a hypothesis about the mental states that motivate the social actors' behavior that he may or may not intend to investigate by survey research, with the result that hypotheses that do not satisfy the a priori verstehen criterion are excluded from consideration for empirical testing.  And verstehen operates after testing when the criticizing sociologist is confronted with a report of findings from another sociologist's empirical work, and when the report leads the criticizing sociologist to reject out of hand an unexpected but empirically valid finding with which he cannot empathize on the basis of his personal or vicarious experience.
          Consider finally the consequent sociological obstructionism.  Sociologists like to view themselves as the professional experts in all matters sociological.  As experts they earn their livelihoods as academic professors of their subject in recognized universities, award the universities’ credentials, and condescendingly deem all others who might discourse on the subject to be laymen and amateurs who lack the academic instruction that professional sociologists market. Therefore should the submitting layman employ mathematical and statistical techniques in which the academic sociologists are incompetent, then the submission is viewed as an embarrassing expose of the professionals’ inferiority. Consequently the submission of such a paper by an outsider like Hickey, a philosopher and econometrician, is not welcomed by the academic sociological journals.  Were sociology a modern science with institutionalized empiricist value standards, these editors and their referees would have damaged their professional reputations by dismissing Hickey’s paper.  As it happens in the same year that Hickey began submitting his paper to these sociological journals, the editor of the Journal of the American Society of Information Science (Jan. 1978, Vol. 29, No. 1, p. 3.) stated in his "Editor's Notes" that referees sometimes use the peer review process as a means of attacking a point of view, and object to the content of a submitted paper.  He said that often rather than rejecting a paper so treated, it would be better to publish the submitted paper with the reviewer's comments.
          In his autobiography, Work and Academic Politics (2002), William H. Form who was the American Sociological Review editor to whom Hickey had submitted his paper, portrays academic sociology as a mediaeval guild and himself as a journeyman in the guild. A guild is a kind of trade association of craftsmen or merchants that flourished in Europe between the 11th and 16th centuries, and that was formed for the mutual aid and advancement of its members by monopolizing its trade.  Based on the attempted criticisms by editor-selected sample of referees Hickey concludes that American academic sociology is much worse than a mediaeval guild operating in restraint of trade; he believes that the philosophy of science enforced in American academic sociology is so inbred that its information pool is as degenerate as the gene pool of an incestuous hereditary dynasty.

Sociological Methods and Research

          The first academic sociological journal to which Hickey sent his paper was Sociological Methods and Research published by Sage Publications, Inc.  This journal did not acknowledge receipt of the paper, but Hickey's retained U.S. Postal Service receipt documents that the paper was received on 18 December 1978, the date that Hickey uses to document his priority, although in fact his macrosociological model was actually created in the latter half of 1976.  On 22 May 1979 Hickey received a letter rejecting the paper for publication from the editor, a Mr. George W. Bohrnstedt of Indiana University.  With the letter were enclosed criticisms by two referees, both of whom offered a recitation of their Romanticist philosophy of science. 
          The first referee described Hickey's model as a reification of the worst type, and ridiculed Hickey's artificial-intelligence discovery system as a self-cooking program.  This rhetoric is symptomatic of Romanticism and also suggests a Luddite mentality.  This critic also described Hickey's model as value-based modeling, and said that it is inferior to a demographic accounting framework advocated by a sociologist named Kenneth C. Land.  Land had proposed a modeling approach in his "A General Framework for Building Dynamic Social Indicator Models: Including an Analysis of Changes in Crime Rates and Police Expenditures" in American Journal of Sociology (1976).  Land’s ideas have their origin in a 1971 technical report, Demographic Accounting and Model Building, written by a Professor Richard Stone, and published by the Organization for Economic Cooperation and Development. Conceptually the demographic accounting system is analogous to a perpetual inventory accounting system as might be found in a retailing business; it has beginning and ending inventory stocks, and inflows and outflows explaining the changes in stocks over an accounting period.  In the demographic system the stock variables represent population head counts with the inflows due to births or immigration and the outflows due to deaths and emigration. Stone also describes how the accounting system may be expressed as a matrix with the inflows and outflows treated analogously to the economist's input-output models with the rows representing inflows, the columns representing outflows, and the cells representing transition coefficients calculated by dividing the aggregates in each row by its row total.  Since these transition coefficients will change from period to period, there is an additional problem of projecting these changes if the model is to be used for any kind of policy analysis.  Land's paper proposed using the econometric type of models statistically estimated over the time series of transition coefficients, which he furthermore says can be interpreted as measures of opportunities for social benefits.  He therefore calls this the opportunity-structure approach, which he says is based on ideas originally proposed by the sociologist William F. Ogburn.  Land's approach seems interesting and might be fruitful, if and when it is ever carried out.  However the equation set forth in his paper is not estimated over vectors of transition coefficients from any demographic model.  In any event it is not clearly an alternative to Hickey's, since his value-based approach might be used to model the changes in the transition coefficients.  But Hickey is not indebted to this approach, and he was unwilling to be conscripted to the support of this agenda as a condition for publication.  In fact he referenced it in future versions of his paper to distinguish his work. The second referee selected by Bohrnstedt started his criticism by saying that he can't quite figure out whether or not the paper is a "put on”.
          Hickey decided that Sociological Methods and Research is not a suitable publication for his paper, because he concluded that the model is beyond the competence of the editor and his selected referees, and he did not send the editor any replies.  He did not know at the time that referees for other sociological journals would offer even more dogmatically Romantic criticisms.  Nor did he know at the time that Bohrnstedt is philosophically opposed to the contemporary Pragmatist philosophy of science until Bohrnstedt, Knoke and (later) Mee later published an undergraduate textbook titled Statistics for Social Data Analysis, which virtually echoed the philosophy of science expressed in Bohrnstedt’s selected referees.  The authors would limit modeling to a testing role, and advocate a version of Haavelmo’s structural-equation agenda with its romantic ontology. Like Haavelmo they distinguish unobserved conceptual variables and observable indicators, a gratuitously equivocating semantical dualism.  And they propose criteria for identifying causality prior to statistical modeling and empirical testing.

 

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