Economics

contains e-prints (draft manuscripts) in the fields of Physics, Mathematics, Computer Science, Quantitative Biology, Quantitative Finance, Statistics, Electrical Engineering and Systems Science, and Economics

Canadian Labour Economics Forum (CLEF)
working papers from a network of Canadian academic researchers focused on the analysis of labour markets

NBER Working Papers
The National Bureau of Economic Research (U.S.) initially issues findings in scientific papers "aimed at other professional economists in academic institutions, business, government and business."

Queen's Economics Department Working Papers
Includes links to working papers available online from other institutions.