Influences of the Rationalist, Structuralist and Culturalist Theoretical Approaches on Comparative Politics

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What influence have the rationalist, structuralist and culturalist theoretical approaches had on the study of comparative politics?

Comparative politics is the empirical comparative study of political systems. It involves the classification and comparison of institutions - ‘a rule that has been institutionalised’ (Lane and Ersson, 1999: 23) - in order to determine the nature of political regimes. The study of comparative politics has come to be guided by three major research schools: rational choice theory, culturalist analysis and structuralist approaches; each of which spearhead a distinctive notion over what about institutions affects the nature of the political process. Rationalists are methodological individualists who assert that ‘collectivities have no status apart from the individuals who comprise them’ (Lichbach, 1997: 245). Rational choice theory is guided by the principle that individuals ‘act as maximisers of benefits over costs’ (Bara and Pennington, 1997: 17), and whilst there is scope for the acceptance of the role played by culture and institutional structures in conditioning individual action, it is still primarily maintained that an understanding of social structures is fundamentally driven by ‘the incentives and beliefs of individual actors’ (Bara and Pennington, 1997: 33). However, an overlap between the rationalist and culturalist train of thought has been forged by political scientist Herbert Simon with his theory of ‘bounded rationality’ - individuals cannot always ‘assimilate and digest all the information’ (The Economist) required to maximise their benefit from a particular course of action, and instead ‘resort to habits, traditions and rules of thumb’ (Lichbach, 1997: 34); ‘satisficing’. Culturalists ar...

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...er is on how such optimality is reached. Marxism and other theories of ‘historical determinism’ are inherently structuralist, with Marxist teachings being based on the idea that ‘institutional practices reflect the underlying nature of the prevailing ‘mode of production’’ (Bara and Pennington, 1997: 26), and the interests of social actors are limited to being defined in terms of their ‘functional relationships to the structures concerned’ (ibid). Whereas non-Marxist structuralism revolves around ‘the manner in which macro-structural parameters’ (Bara and Pennington, 1997: 28) interact to produce political outcomes, and undermines the significance of individual actors in the course of political events. In terms of a structuralist approach, the main task of a political analyst in the study of comparative politics is identifying what the structural dynamics are.

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