Loophole allows extra year of RRSP contributions: by overcontributing, you can gain a year of contributions at a modest cost.Talbot StevensMoney Digest
In this paper, we use a unique dataset to study the effect of women's and men's control over finances on the probability of each spouse contributing to tax-sheltered Registered Retirement Savings Plans (RRSP).doi:10.1016/j.socec.2006.12.042...