<P> In the United States, the outsourcing of labour to Asia, Latin America, and Africa has been partially driven by increasing costs of union partnership, which gives other countries a comparative advantage in labour, making it more profitable to purchase disorganized, low - wage labour from these regions . Milton Friedman, economist and advocate of laissez - faire capitalism, sought to show that unionization produces higher wages (for the union members) at the expense of fewer jobs, and that, if some industries are unionized while others are not, wages will tend to decline in non-unionized industries . </P> <P> On the other hand, several studies have emphasized so - called revitalization strategies where trade unions attempt to better represent labour market outsiders, such as the unemployed and precarious workers . Thus, for instance, trade unions in both Nordic and southern European countries have devised collective bargaining agreements that improved the conditions of temporary agency workers . </P> <P> Several sources of current news exist about the trade union movement in the world . These include LabourStart and the official website of the international trade union movement Global Unions . A source of international news about unions is RadioLabour which provides daily (Monday to Friday) news reports . </P> <P> Labor Notes is the largest circulation cross-union publication remaining in the United States . It reports news and analysis about union activity or problems facing the labour movement . Another source of union news is the Workers Independent News, a news organization providing radio articles to independent and syndicated radio shows in the United States . </P>

What type of business is a labor union