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This essay is a review of the recent literature on the methodology of economics, with a focus on three broad trends that have defined the core lines of research within the discipline during the last two decades. These trends are: (a) the philosophical analysis of economic modelling and economic explanation; (b) the epistemology of causal inference, evidence diversity and evidence-based policy and (c) the investigation of the methodological underpinnings and public policy implications of behavioural economics. The final output is inevitably not exhaustive, yet it aims at offering a fair taste of some of the most representative questions in the field on which many philosophers, methodologists and social scientists have recently been placing a great deal of intellectual effort. The topics and references compiled in this review should serve at least as safe introductions to some of the central research questions in the philosophy and methodology of economics.

Corporate acquisitions have received less attention than the “make-versus-buy” paradigm problem within transaction cost economics. However, recent research that has been conducted on acquisitions is a valuable source of ideas that can be put to use in organizational governance studies more broadly. In this paper, I provide a brief review of the M&A literature with the aim of developing two arguments. First, information economics has provided important theoretical underpinnings for this literature and complements transaction cost economics by emphasizing the ex ante exchange hazards that economic actors face. Second, research using information economics offers the potential to enrich the organizational economics research agenda in strategic management and vice versa.

Starting from Gino Arias’s dictum on the uselessness of international trade theory for fascism, this contribution aims to demonstrate two main points. First, the free trade attitude displayed by fascism immediately before and after the “March on Rome” clashed with its nationalist origins. The nationalist movement had supported a strong protectionist policy starting from a rejection of the main principles of marginalist theory. This explains why some issues raised by Pareto and Barone which could have been used as arguments in favor of protectionism were neglected. In turn, this impasse played a major role in the rejection of Mihail Manoilescu’s theory in the thirties. The second point concerns the possibility of some – at least relatively – free theoretical debate on international trade theory and policy. When the regime set itself a clear objective, like the reduction of trade to begin with, and then autarky, the scope for free discussion narrowed to the point of eventually closing. In this context, refusing to support the regime’s choices in economic policy meant resigning oneself to becoming an outcast. A situation offering one more tessera in the complex mosaic of relations between science and politics in authoritarian regimes.

The objective of this paper is to show the modernity of the approach developed by Carl Menger. The author argues that the Mengerian approach is part of a conceptual pattern composed of four interdependent, hierarchical and coherent parts (ontology, epistemology, methodology and key concepts) and that this conceptual pattern in all its originality and consistency fits perfectly within the approach of complexity. Ontologically (Section 1), the starting point is different from that of Léon Walras and William Stanley Jevons, the economy being apprehended as an open system; from an epistemological point of view (Section 2), Menger adopts a distinct conception of what constitutes a good scientific explanation, which contrasts with the Walrasian conception; methodologically (Section 3), his rejection of mathematics can therefore be understood as a consequence of his ontological and epistemological position: it is not mathematics as such that the author rejects but the functionalist tools then available, which are not adapted to his conception of economic reality; and finally the key concept (Section 4) of the author’s analysis is not that of equilibrium but an analysis of the process of exchange and production, with the emphasis placed on the emergence of organic phenomena.

Human–animal economic relations range from exploitative objectification and mass killing of animals in industrial livestock to species-appropriate husbandry or collaboration of humans and animals in therapy or rescue work. Should they be abolished or are there options for their moral permissibility? I propose using a three-level model to distinguish between morally impermissible and acceptable economic relations of humans and animals. A further step explores how an animal-oriented economy can be implemented on existing markets against the background of a philosophical theory for acceptable use of animals in the economy. Rather than developing a theory, it suggests research projects for an animal friendly economy. Market sociology reveals that sophisticated markets are a potential platform for animal welfare and that they allow a countermovement against animal exploitation. This understanding of markets also connects animals to value theory or to the idea of social cost. This way a consistent theoretical frame for animal welfare in economy is imaginable and suggested for further research.

Social dilemmas take many forms but all share the property that individual benefits, at least in the short run, conflict with group benefits. This chapter examines how information about the characteristics of group members and the parameters of the dilemma affect decision-making. Particular attention is paid to transformative crises, sudden changes in the dilemma setting that for a short period of time lead to incomplete information. It is posited that these crises cause relatively dramatic shifts in the importance of information.

This paper describes how firm characteristics evolve in different industries. In particular, it reports on relationships between industry performance and competitor diversity in the American economy from 1981 to 1997. Industry performance is measured using a prospective measure of performance (Tobin's q) and a measure of performance that reflects historical competence (accounting profitability). Competitor diversity is characterized by differences in size, operating margin, asset composition, and asset utilization. The results indicate significant diversity among competitors in both high- and low-performance industries. The study suggests that low industry performance may be associated with processes of transition in competitor characteristics.