Compare and contrast the ways in which realist and liberal models analyse the scope for international co-operation in pursuit of economic gains.

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Compare and contrast the ways in which realist and liberal models analyse the scope for international co-operation in pursuit of economic gains.

Waltz believes that earlier theories of international relations, including classical realism, have defects that can be cured applying a more scientific approach. The approach he took became known as Neorealism. Waltz's objective is to explain why the anarchic international system tends to reproduce itself. He believes that international system has a precisely defined three dimensional structure: (i) Ordering principle of the system: The ordering principle of the system is anarchical not hierarchical. The absence of a central authority leads to a self-help system where the quest for survival requires to states to seek security through the accretion of military power. The ordering principle of the system forces states to perform exactly the same primary function regardless of their relations capacity to do so. (ii) The functional differentiation of units: In this anarchic system each state is a separate, autonomous and formally equal unit, and to realize its interests it must count only on its own resources because "no one else can be counted on to do so". Then, all the important functions must be performed by each and every state. (iii) The distribution of the capabilities of the units of the international system: States cannot be differentiated by its functions but they differ vastly in their relations capabilities. This distribution of capabilities, which is unequal and shifting, defines the relative power of the states and predicts variations in states’ balance of power behaviour. This means that one international system can be distinguished from another by the distribution of capabilities between states, in other words international orders vary according to the number of great powers.

Waltz argues that states in anarchy have two choices balance and bandwagon, and always prefer balance to bandwagon. The power of others is always a threat not a lure. Weak states may be have no alternative than an early alignment with a

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leading candidate or a recent victor...but when  the system grows calm it is the time when they start to move the international relations pieces to balance the power of the more powerful states.

Liberalism's optimistic view of international politics is based on three core beliefs, which are common to almost all of the theories in the paradigm. First, liberals consider states to be the main actors in international politics. Second, they emphasize that the internal characteristics of states vary considerably, and that these differences have profound effects on state behavior. Furthermore, liberal theorists often believe that some internal arrangements ...

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