This paper revisits the puzzle of immigration policy: standard economic theory predicts that free immigration improves natives' welfare, but (with few historical exceptions) an open door policy is never implemented in practice. What rationalizes the puzzle? We first review the model of...

This publication provides an estimate of the fiscal burden created by recent immigration into Canada and proposes reforms to existing immigrant selection policies to eliminate the burden. It uses a 2006 Census database to estimate the average incomes and taxes paid on these by immigrants who...