considerable publicity in some of the leading general science journals such as Science and Nature. While most of this research has appeared in physics journals, some has appeared in economics journals as well, more often when at least one author is an economist. Strong claims have been made by some advocates regarding its reputed superiority to economics (McCauley, 2004), with arguments that in fact the teaching of microeconomics and macroeconomics as they are currently constituted should cease and be replaced by (...) appropriate courses in mathematics, physics, and some other harder sciences. The lack of invariance principles in economics and the failure of economists to deal properly with certain empirical regularities are held against it in this line of argument, although most econophysicists do not go as far as McCauley in proposing the complete replacement of economics as such by econophysics. (shrink)

“When demand and supply are in stable equilibrium, if any accident should move the scale of production from its equilibrium position, there will be instantly brought into play forces tending to push it back to that position; just as if a stone hanging by a string is displaced from its equilibrium position… But in real life such oscillations are seldom as rhythmical as those of a stone hanging freely from a string; the comparison would be more exact if the string (...) were supposed to hang in the troubled waters of a mill-race, whose stream was at one time allowed to flow freely and at another partially cut off. Nor are these complexities sufficient to illustrate all the disturbances with which the economist and the merchant alike are forced to concern themselves. (shrink)

We examine the “new comparative economics” as proposed by Djankov et al. (2003) and their use of the concept of an institutional possibilities frontier. While we agree with their general argument that one must consider a variety of institutions and their respective social costs, including legal systems and cultural characteristics, when comparing the performance of different economic systems, we find various complications and difficulties with the framework they propose. We propose that a broader study of clusters of institutions and such (...) newly emerging forms as the new traditional economy may be better suited as ways to approach the study of comparative economics in the era after the breakdown of the old comparison of market capitalism and command socialism that came to an end with the breakup of the Soviet Union. (shrink)

Relationships are studied between the non-observed economy, income inequality, corruption, social capital measured as trust, and various institutional quality, policy, and macroeconomic variables for a global data set of countries for two time periods accounting for social interactions. Tentative support is found for positive relations between the non-observed economy and income inequality, the non-observed economy and corruption, and a negative relation between corruption and trust. No significant relation was found between the nonobserved economy and tax rates, contrasting with previous studies (...) finding significant relations of opposite signs. Data difficulties and weak robustness tests suggest limits to our results. (shrink)

James Madison University Harrisonburg, VA 22807 USA Tel: 540-568-3212 Fax: 540-568-3010 E-mail: [email protected]..

Three principles of dialectical analysis are examined in terms of nonlinear dynamics models. The three principles are the transformation of quantity into quality, the interpenetration of opposites, and the negation of the negation. The first two of these especially are interpreted within the frameworks of catastrophe, chaos, and emergent dynamics complexity theoretic models, with the concept of bifurcation playing a central role. Problems with this viewpoint are also discussed.

We present three arguments regarding the limits to rationality, prediction, and control in economics, based on Morgenstern’s analysis of the Holmes-Moriarty problem. The first uses a standard metamathematical theorem on computability to indicate logical limits to forecasting the future. The second provides possible nonconvergence for Bayesian forecasting in infinite dimensional space. The third shows the impossibility of a computer perfectly forecasting an economy with agents knowing its forecasting program. Thus, economic order is partly the product of something other than calculative (...) rationality. The joint presentation of these existing results should introduce the reader to implications of these concepts for certain shared concerns of Keynes and Hayek. (shrink)

This paper examines the rising competition between computational and dynamic conceptualizations of complexity in economics. While computable economics views the complexity as something rigorously defined based on concepts from probability, information, and computability criteria, dynamic complexity is based on whether a system endogenously and deterministically generates erratically dynamic behavior of certain kinds. On such behavior is the phenomenon of emergence, the appearance of new forms or structures at higher levels of a system from processes occurring at lower levels. While the (...) two concepts can overlap, they represent substantially different perspectives. A competition of sorts between them may become more important as new, computerized market systems emerge and evolve to higher levels of complexity of both kinds. (shrink)

James Madison University Harrisonburg, VA 22807 USA Tel: 001-540-568-3212 Fax: 001-540-568-3010 Email: [email protected]..

“A Public Domain, once a velvet carpet of rich buffalo-grass and grama, now an illimitable waste of rattlesnake-bush and tumbleweed, too impoverished to be accepted as a gift by the states within which it lies. Why? Because the ecology of the Southwest happened to be set on a hair trigger.”.

This paper presents a view of the process of transition from planned command socialism to mixed market capitalism involving nonlinear complex dynamical phenomena. After the former institutional structure disappears a coordination failure can bring about macroeconomic collapse as in almost all of the former Soviet bloc or macroeconomic boom as in China. A closely linked phenomenon is the rise of the underground economy as inflation and income inequality increase. This can lead to a jump from one equilibrium to a very (...) different one as nonlinear social feedback processes operate in the transition. (shrink)

“The ‘fallacy of composition’ that drives a felicitous wedge between micro and macro, between the individual and the aggregate, and gives rise to emergent phenomena in economics, non-algorithmic ways – as conjectured originally by John Stuart Mill…, George Herbert Lewes … , and codified by Lloyd Morgan … in his popular Gifford Lectures - may yet be tamed by unconventional models of computation.” --K. Vela Velupillai (2008, p. 21).

“A ‘Public Domain,’ once a velvet carpet of rich buffalo-grass and grama, now an illimitable waste of rattlesnake-bush and tumbleweed, too impoverished to be accepted as a gift by the states within which it lies. Why? Because the ecology of the Southwest happened to be set on a hair trigger.”.

Among the most striking developments in the process of economic transition has been the very diverse paths these economies have taken with respect to income distribution, with some maintaining degrees of equality similar to the socialist era while others now exhibit degrees of inequality noticeably greater than any advanced market capitalist economies. We argue that these outcomes reflect divergent dynamics with multiple equilibria wherein the pattern of income distribution interacts with the level of corruption and the breakdown of the public (...) sector and social safety nets, with the possibility of societies going sharply in one direction or another. This argument is supported by empirical data linking income inequality and measures of the size of the unofficial economy in a set of fifteen transitional economies. (shrink)

Large increases unofficial economies in many transition economies arise from a dynamic interaction with rising income inequality and public sector changes in multiple equilibria system. Returns to unofficial activity are first increasing and then decreasing, implying two distinct stable equilibria, with changes in inequality possibly causing a jump from one to the other. Multiple regressions of data from 18 transition economies find income inequality significantly correlated with the size of the unofficial economy, with the maximum annual rate of inflation also (...) significantly correlated. The latter appears to be the only significant correlate with the increase in the size of the unofficial economy. (shrink)

To acquaint the student with the problems of open-economy macroeconomics. These include the theory and policy issues related to the international balance of payments, the determination of foreign exchange rates, the functioning of the macroeconomy under different exchange rate regimes, the operation of macroeconomic policy under different exchange rate regimes, and the evolution and future of the international monetary system as a whole.

Much empirical analysis and econometric work recognizes that there are nonlinearities, regime shifts or structural breaks, asymmetric adjustment costs, irreversibilities and lagged dependencies. Hence, empirical work has already transcended neoclassical economics. Some progress has also been made in modeling endogenously generated cyclical growth and fluctuations. All this is inconsistent with neoclassical general equilibrium. Hence there is growing evidence of Kuhnian anomalies. It therefore follows that there is a Kuhnian crisis in economics and further research in nonlinear dynamics and complexity can (...) only increase the Kuhnian anomalies. This crisis can only deepen. However, there is an ideological commitment to general equilibrium that justifies “free enterprise” with only minimal state intervention that may still sustain neoclassical economics despite the growing evidence of Kuhnian anomalies. Thus, orthodox textbook theory continues to ignore this fact and static neoclassical theory remains a dogma with no apparent reformulation to replace it. (shrink)

This paper will focus upon the confluence of two strands of discussion and debate that have been developing for some time and their interaction and mutual implications. One involves the nature of economic complexity, how it is to be defined, what is the best way of thinking about it, both theoretically and empirically. The other is the question of the nature and relevance for economics of the recently developed sub-discipline of econophysics. Debates over both of these strands have become more (...) intensified in recent years, and this observer sees the debates as having. (shrink)

Substantially increased international financial mobility and internal financial reforms in many countries have led to apparently increased volatility of their financial markets. This heightened volatility has sometimes been associated with rapid increases or decreases in asset values that many observers suspect contain elements of speculative bubbles and their associated crashes, not justified by rational expectations of underlying fundamentals. In addition, these possible bubbles may coincide with nonlinear dynamics beyond basic ARCH effects, thus being nonlinear speculative bubbles.

Fishery dynamics are considered within the context of an integrated ecologiceconomic, or bioeconomic, approach. The possibility of complex dynamics is examined, both of the chaotic as well as the catastrophic variety. Issues involving learning and convergence by fishers are considered. Complications arising from multi-species interactions are considered as are complications arising from the hierarchical nature of fisheries. Policy responses to these problems are seen to involve the precautionary..

This paper presents a stylized overview of the process of transition from planned command socialism to mixed market capitalism in stages, each involving nonlinear complex dynamical phenomena. The end of the command form arises out of a chaotic hysteretic long wave investment cycle. After the former institutional structure disappears a coordination failure brings about macroeconomic collapse. As recovery emerges various complex fluctuations of employment appear as government labor policies oscillate.

The most important fact about 21st century economics is that it is the post-neoclassical era in terms of the frontiers of economic research. One can still find orthodox, neoclassical theory in most textbooks, especially those at the upper undergraduate level. However, this no longer reflects the reality of how economists at the cutting edge of economics are thinking, including those who are in the mainstream of the profession. The intellectual orthodoxy of neoclassicism has died (Colander, 2000) and the current thrust (...) of research at the cutting edge of the frontier is the search for the appropriate alternative to replace it. (shrink)

Ever since the collapse of Soviet-bloc socialism, and the associated breakup of the Soviet Union itself, it has been accepted by the vast majority of political economists that Friedrich A. Hayek and his fellow Austrians, notably his mentor, Ludwig von Mises, were the unequivocal victors in the famous “socialist calculation debate” that had raged for a good seven decades. It was over. The anti-socialist, Austrian position had won. Market capitalism was triumphant in both theory and practice. The combination of lack (...) of incentives and inevitably dispersed and asymmetric information had doomed command central planning of economies, especially in an increasingly complicated modern world economy (Rosser and Rosser, 2004, Chap. 3). (shrink)

This paper examines how institutions for managing environmental resources change over time with economic development and the seriousness of various environmental problems. Different problems tend to be more serious at different levels of development requiring different approaches. Traditional systems of management in poorer countries were often effective at managing common good resources, and institutions that replicate their advantages may work at higher levels of economic development as well. Problems of inter-level relations are also be considered.

Fishery dynamics are considered within the context of an integrated ecologiceconomic, or bioeconomic, approach. The possibility of complex dynamics is examined, both of the chaotic as well as the catastrophic variety. Issues involving learning and convergence by fishers are considered as are complications arising from the hierarchical nature of fisheries. Policy responses to these problems are seen to involve the precautionary principle to mitigate the threat of catastrophic discontinuities and the scalematching principle to ensure that management and property rights system (...) are properly.. (shrink)

The implications for how teach macroeconomics at the undergraduate level of the emergence of the multidisciplinary study of nonlinear complex dynamics are examined. A definition of complex dynamics is presented and a broad review of various applications in macroeconomics is made. Some particular implications are emphasized such as how complex dynamics raise serious doubts about the rational expectations assumption. Several models and approaches are suggested that can be used to make these ideas accessble to students.

For transition economies, income inequality is positively correlated with the share of output produced in the informal economy. Increases in income inequality also tend to be correlated with increases in the share of output produced in the unofficial economy. These hypotheses are supported significantly by empirical data for sixteen transition economies between 1987 to 1989 and 1993 to 1994. Various causal mechanisms may operate in both directions, an increasingly large informal economy causing more inequality due to falling tax revenues and (...) weakened social safety nets, and increasing inequality causing more informal activity as social solidarity and trust decline. (shrink)

Nobody has died yet as a result of the ongoing trials for transferring money internationally without a license of four Harrisonburg men from Kurdish parts of Iraq: Rashid Qambari, Ahmed Abdullah, Amir Rashid, and Fadhil Noroly. However, before coming here they were threatened because of their work for groups associated with the United States, and they were brought here by the United States government as part of Operation Pacific Haven. Saddam Hussein killed members of local Kurdish families. Qambari, convicted on (...) January 30, 2006, has stated, “If I get deported back to Iraq, I will be a nice gift to the insurgents. I will be dead.” Deportation is a possible outcome of his conviction. (shrink)

James Madison University Harrisonburg, VA 22807 USA tel: 540-568-3212 fax: 540-568-3010 email: [email protected]..

We investigate how stochastic asset price dynamics with herding and financial constraints in heterogeneous agents’ decisions explain the presence of a period of financial distress (PFD) following the peak and preceding the crash of a bubble, documented by Kindleberger [2000, Appendix B] as common among most major historical speculative bubbles. Simulations show the PFD is due to agents’ wealth distribution dynamics, selling because of financial constraints after the bubble’s peak in relation to switching behavior of agents. An increase in switching (...) tendency increases the length of the PFD and decreases bubble amplitude, while increasing strength of interaction between the agents increases bubble amplitude. (shrink)