Card Check or Mandatory Representaton Vote?
How the Type of Union Recognition Procedure Affects Union Certification Success.

Susan Johnson (McMaster University, Wilfrid Laurier University)

February 2001


Cross section time-series analysis of nine Canadian jurisdictions over nineteen years is used to identify the effect of mandatory votes/card check on certification success. The results indicate that mandatory votes reduce certification success rates by approximately 9 percentage points below what they would have been under card check. This result is robust across specifications and significant at above the 99 per cent condfidence level.

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