An experiment where Mandrian and Shea compared the rate of retirement savings rate of people who were hired just before a default savings plan was implemented to those who were hired just after the default savings plan was implemented. (The default savings plan was never applied to those who were hired before it was implemented.) a) What type of study is this? Explain briefly.

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This is an example of a natural experiment study In a natural experiment the researcher exploits a n... View the full answer