Rodolfo Helg

On the Dynamics of Trade Patterns

R. Helg, Andrea Brasili, Paolo Epifani, 2000 .

A note on the stationarity of the primary commodities relative price index

R. Helg, Rodolfo Helg, 1991 .

Patterns of international fragmentation of production and the relative demand for labor

Lucia Tajoli, L. Tajoli, R. Helg, 2005 .