Unions seek to give equity and voice a place in decisions that might otherwise be driven by efficiency. T or F: In the U.S., the default policy for the employment relationship is the employment-at-will doctrine; but, federal policy also encourages the use of collective bargaining which limits it. T or F: Property rights are a major basis for management's authority and control. T or F: Overall union density has decreased since the 1970 s because the private sector growth has increased while the public sector membership has declined. T or F: The National Labor Relations Act applies to non-union companies. T or F: Current U.S. labor law is based on the assumption that a balance between management's and labor's lower benefits society in general. T or F: As the primary union in the U.S., the key function of the AFL-ClO Is to negotiate contracts. T or F: The Mainstream Economics school of thought about labor relations relies on free-market competition to determine the price of labor; and, as such, sees unions as interference in that process. T or F: The Hay market Tragedy was part of the struggle for an 8-hour workday. R or F: The Wagner Act governs labor relations for United Airlines