The Political Economy of Government Employee Unions (they are the servants, not the masters)

The main reason why so many state and local governments are bankrupt, or on the verge of bankruptcy, is the combination of government-run monopolies and government-employee unions. Government-employee unions have vastly more power than do private-sector unions because the entities they work for are typically monopolies. When the employees of a grocery store, for example, go on strike and shut down the store, consumers can simply shop elsewhere, and the grocery-store management is perfectly free to hire replacement workers. In contrast, when a city teachers' or garbage-truck drivers' union goes on strike, there is no school and no garbage collection...