<P> Argentina underwent heavy economic deregulation, privatization, and had a fixed exchange rate during the Menem administration (1989--1999). In Dec. 2001, Paul Krugman compared Enron with Argentina, claiming that both were experiencing economic collapse due to excessive deregulation . Two months later, Herbert Inhaber claimed that Krugman confused correlation with causation, and neither collapse was due to excessive deregulation . </P> <P> Having announced a wide range of deregulatory policies, Labor Prime Minister Bob Hawke announced the policy of' Minimum Effective Regulation' in 1986 . This introduced now familiar requirements for' regulatory impact statements', but compliance by governmental agencies took many years . The labour market under the Hawke / Keating Labor governments operated under an accord . John Howard's Liberal Party of Australia in 1996 began deregulation of the labor market, subsequently taken much further in 2005 through their WorkChoices policy . However, it was reversed under the following Rudd Labor government . </P> <P> Natural gas is deregulated in most of the country, with the exception of some Atlantic provinces and some pockets like Vancouver Island and Medicine Hat . Most of this deregulation happened in the mid-1980s . There is price comparison service operating in some of these jurisdictions, particularly Ontario, Alberta and BC . The other provinces are small markets and have not attracted suppliers . Customers have the choice of purchasing from a local distribution company (LDC) or a deregulated supplier . In most provinces the LDC is not allowed to offer a term contract, just a variable price based on the spot market . LDC prices are changed either monthly or quarterly . </P> <P> The province of Ontario began deregulation of electricity supply in 2002, but pulled back temporarily due to voter and consumer backlash at the resulting price volatility . The government is still searching for a stable working regulatory framework . </P>

Which of the following are the primary deregulated industries in the united states