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In general, liberalization (or liberalisation) refers to a relaxation of previous government restrictions, usually in areas of social or economic policy. In some contexts this process or concept is often, but not always, referred to as deregulation. Liberalization of autocratic regimes may precede democratization (or not, as in the case of the Prague Spring).
Although economic liberalization is often associated with privatization, the two can be quite separate processes. For example, the European Union has liberalized gas and electricity markets, instituting a system of competition; but some of the leading European energy companies (such as EDF and Vattenfall) remain partially or completely in government ownership.
Liberalized and privatized public services may be dominated by just a few big companies particularly in sectors with high capital costs, or high such as water, gas and electricity. In some cases they may remain legal monopoly at least for some part of the market (e.g. small consumers).
Liberalization is one of three focal points (the others being privatization and stabilization) of the Washington Consensus's trinity strategy for economies in transition. An example of Liberalization is the "Washington Consensus" which was a set of policies created and used by Argentina
There is also a concept of hybrid liberalisation as, for instance, in Ghana where cocoa crop can be sold to a variety of competing private companies, but there is a minimum price for which it can be sold and all exports are controlled by the state.
Comparison with democratization 
There is a distinct difference between liberalization and democratization, which are often thought to be the same concept. Liberalization can take place without democratization, and deals with a combination of policy and social change specialized to a certain issue such as the liberalization of government-held property for private purchase, whereas democratization is more politically specialized that can arise from a liberalization, but works in a broader level of governmental liberalization.
See also 
- Sullivan, Arthur; Sheffrin, Steven M. (January 2002). Economics: Principles in Action. New Jersey: Pearson Prentice Hall. ISBN 0-13-063085-3.
- Marcella Vigneri and Paulo Santos (2007) Ghana and the cocoa marketing dilemma: What has liberalisation without price competition achieved? Overseas Development Institute
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